UniProtKB - P02943 (LAMB_ECOLI)
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- BLAST>sp|P02943|LAMB_ECOLI Maltoporin OS=Escherichia coli (strain K12) OX=83333 GN=lamB PE=1 SV=1 MMITLRKLPLAVAVAAGVMSAQAMAVDFHGYARSGIGWTGSGGEQQCFQTTGAQSKYRLG NECETYAELKLGQEVWKEGDKSFYFDTNVAYSVAQQNDWEATDPAFREANVQGKNLIEWL PGSTIWAGKRFYQRHDVHMIDFYYWDISGPGAGLENIDVGFGKLSLAATRSSEAGGSSSF ASNNIYDYTNETANDVFDVRLAQMEINPGGTLELGVDYGRANLRDNYRLVDGASKDGWLF TAEHTQSVLKGFNKFVVQYATDSMTSQGKGLSQGSGVAFDNEKFAYNINNNGHMLRILDH GAISMGDNWDMMYVGMYQDINWDNDNGTKWWTVGIRPMYKWTPIMSTVMEIGYDNVESQR TGDKNNQYKITLAQQWQAGDSIWSRPAIRVFATYAKWDEKWGYDYTGNADNNANFGKAVP ADFNGGSFGRGDSDEWTFGAQMEIWW
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Maltoporin
lamB
Annotation score:5 out of 5
<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>Select a section on the left to see content.
<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni
Sites
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| <p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections (‘Function’, ‘PTM / Processing’, ‘Pathology and Biotech’) according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei | 31 | Greasy slide, important in sugar transport | 1 | |
| <p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections (‘Function’, ‘PTM / Processing’, ‘Pathology and Biotech’) according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei | 66 | Greasy slide, important in sugar transport | 1 | |
| <p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections (‘Function’, ‘PTM / Processing’, ‘Pathology and Biotech’) according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei | 99 | Greasy slide, important in sugar transport | 1 | |
| <p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections (‘Function’, ‘PTM / Processing’, ‘Pathology and Biotech’) according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei | 143 | Important in sugar transport | 1 | |
| <p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections (‘Function’, ‘PTM / Processing’, ‘Pathology and Biotech’) according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei | 252 | Greasy slide, important in sugar transport | 1 | |
| <p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections (‘Function’, ‘PTM / Processing’, ‘Pathology and Biotech’) according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei | 383 | Greasy slide, important in sugar transport | 1 | |
| <p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections (‘Function’, ‘PTM / Processing’, ‘Pathology and Biotech’) according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei | 445 | Greasy slide, important in sugar transport | 1 |
<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni
- maltodextrin transmembrane transporter activity Source: EcoCyc <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayi
- maltose transporting porin activity Source: InterPro
- porin activity Source: CACAO <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayi
- virus receptor activity Source: UniProtKB-KW
<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Biological processi
- cellular response to DNA damage stimulus Source: EcoliWiki <p>Inferred from Expression Pattern</p> <p>Covers cases where the annotation is inferred from the timing or location of expression of a gene.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#iep">GO evidence code guide</a></p> Inferred from expression patterni
- ion transport Source: UniProtKB-KW
- maltodextrin transport Source: EcoCyc <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayi
<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi
| Molecular function | Host cell receptor for virus entry, Porin, Receptor |
| Biological process | Host-virus interaction, Ion transport, Sugar transport, Transport |
Enzyme and pathway databases
BioCyc Collection of Pathway/Genome Databases More...BioCyci | EcoCyc:EG10528-MONOMER MetaCyc:EG10528-MONOMER |
Protein family/group databases
Transport Classification Database More...TCDBi | 1.B.3.1.1 the sugar porin (sp) family |
<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi
| <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi | Recommended name: MaltoporinAlternative name(s): Lambda receptor protein Maltose-inducible porin |
| <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: ‘Name’, ‘Synonyms’, ‘Ordered locus names’ and ‘ORF names’.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi | Name:lamB Synonyms:malB Ordered Locus Names:b4036, JW3996 |
| <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>Organismi | Escherichia coli (strain K12) |
| <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri | 83333 [NCBI] |
| <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineagei | cellular organisms › Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacterales › Enterobacteriaceae › Escherichia › Escherichia coli |
| <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi |
|
Organism-specific databases
Escherichia coli strain K12 genome database More...EcoGenei | EG10528 lamB |
<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi
- Cell outer membrane 1 Publication
<p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More...</a></p> Manual assertion based on experiment ini
- Ref.13"Protein complexes of the Escherichia coli cell envelope."
Stenberg F., Chovanec P., Maslen S.L., Robinson C.V., Ilag L., von Heijne G., Daley D.O.
J. Biol. Chem. 280:34409-34419(2005) [PubMed] [Europe PMC] [Abstract]Cited for: SUBUNIT, SUBCELLULAR LOCATION.
<p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More...</a></p> Manual assertion based on experiment ini
- Ref.13"Protein complexes of the Escherichia coli cell envelope."
Stenberg F., Chovanec P., Maslen S.L., Robinson C.V., Ilag L., von Heijne G., Daley D.O.
J. Biol. Chem. 280:34409-34419(2005) [PubMed] [Europe PMC] [Abstract]Cited for: SUBUNIT, SUBCELLULAR LOCATION.
Topology
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 26 | Periplasmic | 1 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 27 – 35 | Beta stranded | 9 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 36 – 64 | ExtracellularAdd BLAST | 29 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 65 – 78 | Beta strandedAdd BLAST | 14 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 79 – 80 | Periplasmic | 2 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 81 – 93 | Beta strandedAdd BLAST | 13 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 94 – 104 | ExtracellularAdd BLAST | 11 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 105 – 115 | Beta strandedAdd BLAST | 11 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 116 – 122 | Periplasmic | 7 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 123 – 130 | Beta stranded | 8 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 131 – 148 | ExtracellularAdd BLAST | 18 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 149 – 159 | Beta strandedAdd BLAST | 11 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 160 – 161 | Periplasmic | 2 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 162 – 173 | Beta strandedAdd BLAST | 12 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 174 – 191 | ExtracellularAdd BLAST | 18 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 192 – 205 | Beta strandedAdd BLAST | 14 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 206 – 209 | Periplasmic | 4 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 210 – 222 | Beta strandedAdd BLAST | 13 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 223 – 234 | ExtracellularAdd BLAST | 12 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 235 – 248 | Beta strandedAdd BLAST | 14 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 249 – 250 | Periplasmic | 2 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 251 – 263 | Beta strandedAdd BLAST | 13 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 264 – 290 | ExtracellularAdd BLAST | 27 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 291 – 305 | Beta strandedAdd BLAST | 15 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 306 – 307 | Periplasmic | 2 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 308 – 323 | Beta strandedAdd BLAST | 16 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 324 – 326 | Extracellular | 3 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 327 – 341 | Beta strandedAdd BLAST | 15 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 342 – 343 | Periplasmic | 2 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 344 – 359 | Beta strandedAdd BLAST | 16 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 360 – 362 | Extracellular | 3 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 363 – 378 | Beta strandedAdd BLAST | 16 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 379 – 385 | Periplasmic | 7 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 386 – 400 | Beta strandedAdd BLAST | 15 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 401 – 430 | ExtracellularAdd BLAST | 30 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei | 431 – 445 | Beta strandedAdd BLAST | 15 | |
| <p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini | 446 | Periplasmic | 1 |
<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Cellular componenti
- cell outer membrane Source: EcoCyc <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayi
- integral component of cell outer membrane Source: EcoCyc <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayi
- pore complex Source: EcoCyc <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayi
<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - Cellular componenti
Cell outer membrane, Membrane<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi
Mutagenesis
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| <p>This subsection of the <a href="http://www.uniprot.org/manual/pathology_and_biotech_section">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi | 33 | R → H: Reduces ligand affinity and pore size, no longer selective for maltodextrins. 1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More...</a></p> Manual assertion based on experiment ini
| 1 | |
| <p>This subsection of the <a href="http://www.uniprot.org/manual/pathology_and_biotech_section">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi | 99 | W → R: Decreases starch affinity, slightly increases maltose affinity. 1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More...</a></p> Manual assertion based on experiment ini
| 1 | |
| <p>This subsection of the <a href="http://www.uniprot.org/manual/pathology_and_biotech_section">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi | 107 | R → S: Decreases maltodextrin affinity, increases sucrose binding and transport. 1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More...</a></p> Manual assertion based on experiment ini
| 1 | |
| <p>This subsection of the <a href="http://www.uniprot.org/manual/pathology_and_biotech_section">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi | 134 | R → A: Considerable increase in pore size and sucrose transport, slight decrease in maltose transport; when associated with A-143. 1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More...</a></p> Manual assertion based on experiment ini
| 1 | |
| <p>This subsection of the <a href="http://www.uniprot.org/manual/pathology_and_biotech_section">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi | 134 | R → D or N: Slight increase in pore size; increase in sucrose transport and slight decrease in maltose transport; when associated with D-143 and F-146. 1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More...</a></p> Manual assertion based on experiment ini
| 1 | |
| <p>This subsection of the <a href="http://www.uniprot.org/manual/pathology_and_biotech_section">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi | 143 | Y → F: Increases affinity for starch and maltose, pore size and transport of maltohexaose. 2 Publications <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More...</a></p> Manual assertion based on experiment ini
| 1 | |
| <p>This subsection of the <a href="http://www.uniprot.org/manual/pathology_and_biotech_section">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi | 146 | D → G: Increases affinity for large dextrins. 2 Publications <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More...</a></p> Manual assertion based on experiment ini
| 1 |
Chemistry databases
Drug and drug target database More...DrugBanki | DB02379 Beta-D-Glucose DB04173 Fructose |
<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi
Molecule processing
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| <p>This subsection of the ‘PTM / Processing’ section denotes the presence of an N-terminal signal peptide.<p><a href='/help/signal' target='_top'>More...</a></p>Signal peptidei | 1 – 25 | Add BLAST | 25 | |
| <p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_0000025175 | 26 – 446 | MaltoporinAdd BLAST | 421 |
Amino acid modifications
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| <p>This subsection of the PTM / Processing":/help/ptm_processing_section section describes the positions of cysteine residues participating in disulfide bonds.<p><a href='/help/disulfid' target='_top'>More...</a></p>Disulfide bondi | 47 ↔ 63 | 1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More...</a></p> Manual assertion based on experiment ini |
<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - PTMi
Disulfide bondProteomic databases
PaxDb, a database of protein abundance averages across all three domains of life More...PaxDbi | P02943 |
PRoteomics IDEntifications database More...PRIDEi | P02943 |
<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni
<p>This subsection of the ‘Expression’ section reports the experimentally proven effects of inducers and repressors (usually chemical compounds or environmental factors) on the level of protein (or mRNA) expression (up-regulation, down-regulation, constitutive expression).<p><a href='/help/induction' target='_top'>More...</a></p>Inductioni
<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni
<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei
<p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More...</a></p> Manual assertion based on experiment ini
- Ref.13"Protein complexes of the Escherichia coli cell envelope."
Stenberg F., Chovanec P., Maslen S.L., Robinson C.V., Ilag L., von Heijne G., Daley D.O.
J. Biol. Chem. 280:34409-34419(2005) [PubMed] [Europe PMC] [Abstract]Cited for: SUBUNIT, SUBCELLULAR LOCATION.
<p>This subsection of the '<a href="http://www.uniprot.org/help/interaction_section%27">Interaction</a> section provides information about binary protein-protein interactions. The data presented in this section are a quality-filtered subset of binary interactions automatically derived from the <a href="http://www.ebi.ac.uk/intact/">IntAct database</a>. It is updated on a monthly basis. Each binary interaction is displayed on a separate line.<p><a href='/help/binary_interactions' target='_top'>More...</a></p>Binary interactionsi
| With | Entry | #Exp. | IntAct | Notes |
|---|---|---|---|---|
| secA | P10408 | 3 | EBI-371309,EBI-543213 |
Protein-protein interaction databases
The Biological General Repository for Interaction Datasets (BioGrid) More...BioGridi | 4262663, 259 interactors |
Database of interacting proteins More...DIPi | DIP-10082N |
Protein interaction database and analysis system More...IntActi | P02943, 3 interactors |
STRING: functional protein association networks More...STRINGi | 316385.ECDH10B_4225 |
<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei
Secondary structure
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 27 – 39 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 13 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 42 – 44 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 64 – 78 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 15 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 81 – 93 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 13 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 95 – 98 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 4 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 105 – 115 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 11 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 118 – 120 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 124 – 130 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 7 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 135 – 137 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined helical regions within the protein sequence.<p><a href='/help/helix' target='_top'>More...</a></p>Helixi | 138 – 140 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 142 – 145 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 4 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 149 – 158 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 10 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 160 – 180 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 21 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined helical regions within the protein sequence.<p><a href='/help/helix' target='_top'>More...</a></p>Helixi | 185 – 187 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 190 – 207 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 18 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 210 – 221 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 12 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 236 – 248 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 13 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 251 – 261 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 11 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined helical regions within the protein sequence.<p><a href='/help/helix' target='_top'>More...</a></p>Helixi | 262 – 264 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined hydrogen-bonded turns within the protein sequence. These elements correspond to the DSSP secondary structure code ‘T’.<p><a href='/help/turn' target='_top'>More...</a></p>Turni | 265 – 267 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 277 – 279 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 285 – 287 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 292 – 305 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 14 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined hydrogen-bonded turns within the protein sequence. These elements correspond to the DSSP secondary structure code ‘T’.<p><a href='/help/turn' target='_top'>More...</a></p>Turni | 306 – 308 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 309 – 322 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 14 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 328 – 358 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 31 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined hydrogen-bonded turns within the protein sequence. These elements correspond to the DSSP secondary structure code ‘T’.<p><a href='/help/turn' target='_top'>More...</a></p>Turni | 359 – 361 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 364 – 381 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 18 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 387 – 403 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 17 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined hydrogen-bonded turns within the protein sequence. These elements correspond to the DSSP secondary structure code ‘T’.<p><a href='/help/turn' target='_top'>More...</a></p>Turni | 409 – 411 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined hydrogen-bonded turns within the protein sequence. These elements correspond to the DSSP secondary structure code ‘T’.<p><a href='/help/turn' target='_top'>More...</a></p>Turni | 413 – 416 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 4 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 418 – 420 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined helical regions within the protein sequence.<p><a href='/help/helix' target='_top'>More...</a></p>Helixi | 423 – 425 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 3 | |
| <p>This subsection of the ‘Structure’ section is used to indicate the positions of experimentally determined beta strands within the protein sequence.<p><a href='/help/strand' target='_top'>More...</a></p>Beta strandi | 432 – 446 | Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More...</a></p> Manual assertion inferred from combination of experimental and computational evidencei | 15 |
3D structure databases
Protein Model Portal of the PSI-Nature Structural Biology Knowledgebase More...ProteinModelPortali | P02943 |
SWISS-MODEL Repository - a database of annotated 3D protein structure models More...SMRi | P02943 |
Database of comparative protein structure models More...ModBasei | Search... |
MobiDB: a database of protein disorder and mobility annotations More...MobiDBi | Search... |
Miscellaneous databases
Relative evolutionary importance of amino acids within a protein sequence More...EvolutionaryTracei | P02943 |
<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi
<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi
<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - Domaini
Signal, Transmembrane, Transmembrane beta strandPhylogenomic databases
evolutionary genealogy of genes: Non-supervised Orthologous Groups More...eggNOGi | ENOG4108KDD Bacteria COG4580 LUCA |
The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms More...HOGENOMi | HOG000218083 |
KEGG Orthology (KO) More...KOi | K02024 |
Identification of Orthologs from Complete Genome Data More...OMAi | DYGRANA |
Family and domain databases
Conserved Domains Database More...CDDi | cd01346 Maltoporin-like, 1 hit |
Gene3D Structural and Functional Annotation of Protein Families More...Gene3Di | 2.40.170.10, 1 hit |
HAMAP database of protein families More...HAMAPi | MF_01301 LamB, 1 hit |
Integrated resource of protein families, domains and functional sites More...InterProi | View protein in InterPro IPR023738 Maltoporin IPR003192 Porin_LamB IPR036998 Porin_LamB_sf |
Pfam protein domain database More...Pfami | View protein in Pfam PF02264 LamB, 1 hit |
ProDom; a protein domain database More...ProDomi | View protein in ProDom or Entries sharing at least one domain PD008788 Porin_LamB, 1 hit |
<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei
<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.
<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.
10 20 30 40 50
MMITLRKLPL AVAVAAGVMS AQAMAVDFHG YARSGIGWTG SGGEQQCFQT
60 70 80 90 100
TGAQSKYRLG NECETYAELK LGQEVWKEGD KSFYFDTNVA YSVAQQNDWE
110 120 130 140 150
ATDPAFREAN VQGKNLIEWL PGSTIWAGKR FYQRHDVHMI DFYYWDISGP
160 170 180 190 200
GAGLENIDVG FGKLSLAATR SSEAGGSSSF ASNNIYDYTN ETANDVFDVR
210 220 230 240 250
LAQMEINPGG TLELGVDYGR ANLRDNYRLV DGASKDGWLF TAEHTQSVLK
260 270 280 290 300
GFNKFVVQYA TDSMTSQGKG LSQGSGVAFD NEKFAYNINN NGHMLRILDH
310 320 330 340 350
GAISMGDNWD MMYVGMYQDI NWDNDNGTKW WTVGIRPMYK WTPIMSTVME
360 370 380 390 400
IGYDNVESQR TGDKNNQYKI TLAQQWQAGD SIWSRPAIRV FATYAKWDEK
410 420 430 440
WGYDYTGNAD NNANFGKAVP ADFNGGSFGR GDSDEWTFGA QMEIWW
Experimental Info
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| <p>This subsection of the ‘Sequence’ section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti | 35 | G → GSG (PubMed:2832377).Curated | 1 | |
| <p>This subsection of the ‘Sequence’ section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti | 208 | P → PDP (PubMed:2832377).Curated | 1 | |
| <p>This subsection of the ‘Sequence’ section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti | 381 | S → T in AAC43130 (PubMed:8265357).Curated | 1 | |
| <p>This subsection of the ‘Sequence’ section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti | 385 | R → RDP (PubMed:2832377).Curated | 1 |
Sequence databases
| Select the link destinations: EMBL nucleotide sequence database More...EMBLiGenBank nucleotide sequence database More...GenBankiDNA Data Bank of Japan; a nucleotide sequence database More...DDBJiLinks Updated | M16643 Genomic DNA Translation: AAA24059.1 M26131 Genomic DNA Translation: AAA24060.1 V00298 Genomic DNA Translation: CAA23575.1 J01648 Genomic DNA Translation: AAB59058.1 U00006 Genomic DNA Translation: AAC43130.1 U00096 Genomic DNA Translation: AAC77006.1 AP009048 Genomic DNA Translation: BAE78038.1 M24997 Genomic DNA Translation: AAC41396.1 V00297 Genomic DNA Translation: CAA23574.1 |
Protein sequence database of the Protein Information Resource More...PIRi | A03443 QRECL |
NCBI Reference Sequences More...RefSeqi | NP_418460.1, NC_000913.3 WP_000973663.1, NZ_LN832404.1 |
Genome annotation databases
Ensembl bacterial and archaeal genome annotation project More...EnsemblBacteriai | AAC77006; AAC77006; b4036 BAE78038; BAE78038; BAE78038 |
Database of genes from NCBI RefSeq genomes More...GeneIDi | 948548 |
KEGG: Kyoto Encyclopedia of Genes and Genomes More...KEGGi | ecj:JW3996 eco:b4036 |
Pathosystems Resource Integration Center (PATRIC) More...PATRICi | fig|1411691.4.peg.2674 |
<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi
| Protein | Similar proteins | Species | Score | Length | |
|---|---|---|---|---|---|
| P02943 | Maltoporin | 446 | |||
| Maltoporin | 446 | ||||
| Maltoporin | 446 | ||||
| Maltoporin | 446 | ||||
| Maltoporin | 446 | ||||
| +13 | |||||
| Protein | Similar proteins | Species | Score | Length | |
|---|---|---|---|---|---|
| P02943 | Maltoporin | 446 | |||
| Maltoporin | 446 | ||||
| Maltoporin | 446 | ||||
| Maltoporin | 446 | ||||
| Maltoporin | 446 | ||||
| +410 | |||||
| Protein | Similar proteins | Species | Score | Length | |
|---|---|---|---|---|---|
| P02943 | Maltoporin | 429 | |||
| Maltoporin | 440 | ||||
| Maltoporin | 429 | ||||
| UPI000D74D030 | 429 | ||||
| UPI0007CCB317 | 429 | ||||
| +1517 | |||||
<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi
Sequence databases
| Select the link destinations: EMBL nucleotide sequence database More...EMBLiGenBank nucleotide sequence database More...GenBankiDNA Data Bank of Japan; a nucleotide sequence database More...DDBJiLinks Updated | M16643 Genomic DNA Translation: AAA24059.1 M26131 Genomic DNA Translation: AAA24060.1 V00298 Genomic DNA Translation: CAA23575.1 J01648 Genomic DNA Translation: AAB59058.1 U00006 Genomic DNA Translation: AAC43130.1 U00096 Genomic DNA Translation: AAC77006.1 AP009048 Genomic DNA Translation: BAE78038.1 M24997 Genomic DNA Translation: AAC41396.1 V00297 Genomic DNA Translation: CAA23574.1 |
Protein sequence database of the Protein Information Resource More...PIRi | A03443 QRECL |
NCBI Reference Sequences More...RefSeqi | NP_418460.1, NC_000913.3 WP_000973663.1, NZ_LN832404.1 |
3D structure databases
| Select the link destinations: Protein Data Bank Europe More...PDBeiProtein Data Bank RCSB More...RCSB PDBiProtein Data Bank Japan More...PDBjiLinks Updated | PDB entry | Method | Resolution (Å) | Chain | Positions | PDBsum |
| 1AF6 | X-ray | 2.40 | A/B/C | 26-446 | [»] | |
| 1MAL | X-ray | 3.10 | A/B/C | 26-446 | [»] | |
| 1MPM | X-ray | 2.60 | A/B/C | 26-446 | [»] | |
| 1MPN | X-ray | 3.20 | A/B/C | 26-446 | [»] | |
| 1MPO | X-ray | 2.80 | A/B/C | 26-446 | [»] | |
| 1MPQ | X-ray | 3.00 | A/B/C | 26-446 | [»] | |
Protein Model Portal of the PSI-Nature Structural Biology Knowledgebase More...ProteinModelPortali | P02943 | |||||
SWISS-MODEL Repository - a database of annotated 3D protein structure models More...SMRi | P02943 | |||||
Database of comparative protein structure models More...ModBasei | Search... | |||||
MobiDB: a database of protein disorder and mobility annotations More...MobiDBi | Search... | |||||
Protein-protein interaction databases
The Biological General Repository for Interaction Datasets (BioGrid) More...BioGridi | 4262663, 259 interactors |
Database of interacting proteins More...DIPi | DIP-10082N |
Protein interaction database and analysis system More...IntActi | P02943, 3 interactors |
STRING: functional protein association networks More...STRINGi | 316385.ECDH10B_4225 |
Chemistry databases
Drug and drug target database More...DrugBanki | DB02379 Beta-D-Glucose DB04173 Fructose |
Protein family/group databases
Transport Classification Database More...TCDBi | 1.B.3.1.1 the sugar porin (sp) family |
Proteomic databases
PaxDb, a database of protein abundance averages across all three domains of life More...PaxDbi | P02943 |
PRoteomics IDEntifications database More...PRIDEi | P02943 |
Protocols and materials databases
| Structural Biology Knowledgebase | Search... |
Genome annotation databases
Ensembl bacterial and archaeal genome annotation project More...EnsemblBacteriai | AAC77006; AAC77006; b4036 BAE78038; BAE78038; BAE78038 |
Database of genes from NCBI RefSeq genomes More...GeneIDi | 948548 |
KEGG: Kyoto Encyclopedia of Genes and Genomes More...KEGGi | ecj:JW3996 eco:b4036 |
Pathosystems Resource Integration Center (PATRIC) More...PATRICi | fig|1411691.4.peg.2674 |
Organism-specific databases
EchoBASE - an integrated post-genomic database for E. coli More...EchoBASEi | EB0523 |
Escherichia coli strain K12 genome database More...EcoGenei | EG10528 lamB |
Phylogenomic databases
evolutionary genealogy of genes: Non-supervised Orthologous Groups More...eggNOGi | ENOG4108KDD Bacteria COG4580 LUCA |
The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms More...HOGENOMi | HOG000218083 |
KEGG Orthology (KO) More...KOi | K02024 |
Identification of Orthologs from Complete Genome Data More...OMAi | DYGRANA |
Enzyme and pathway databases
BioCyc Collection of Pathway/Genome Databases More...BioCyci | EcoCyc:EG10528-MONOMER MetaCyc:EG10528-MONOMER |
Miscellaneous databases
Relative evolutionary importance of amino acids within a protein sequence More...EvolutionaryTracei | P02943 |
Protein Ontology More...PROi | PR:P02943 |
Family and domain databases
Conserved Domains Database More...CDDi | cd01346 Maltoporin-like, 1 hit |
Gene3D Structural and Functional Annotation of Protein Families More...Gene3Di | 2.40.170.10, 1 hit |
HAMAP database of protein families More...HAMAPi | MF_01301 LamB, 1 hit |
Integrated resource of protein families, domains and functional sites More...InterProi | View protein in InterPro IPR023738 Maltoporin IPR003192 Porin_LamB IPR036998 Porin_LamB_sf |
Pfam protein domain database More...Pfami | View protein in Pfam PF02264 LamB, 1 hit |
ProDom; a protein domain database More...ProDomi | View protein in ProDom or Entries sharing at least one domain PD008788 Porin_LamB, 1 hit |
ProtoNet; Automatic hierarchical classification of proteins More...ProtoNeti | Search... |
<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi
| <p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry namei | LAMB_ECOLI | |
| <p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>Accessioni | P02943Primary (citable) accession number: P02943 Secondary accession number(s): Q2M6R8 | |
| <p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyi | Integrated into UniProtKB/Swiss-Prot: | July 21, 1986 |
| Last sequence update: | July 21, 1986 | |
| Last modified: | March 28, 2018 | |
| This is version 179 of the entry and version 1 of the sequence. See complete history. | ||
| <p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
| Annotation program | Prokaryotic Protein Annotation Program | |
<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi
<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - Technical termi
3D-structure, Complete proteome, Reference proteomeDocuments
- Escherichia coli
Escherichia coli (strain K12): entries and cross-references to EcoGene - PDB cross-references
Index of Protein Data Bank (PDB) cross-references - SIMILARITY comments
Index of protein domains and families
