Outer membrane porin C

<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

Miscellaneous

Sites

<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

• metal ion binding Source: UniProtKB-KW
• porin activity Source: UniProtKB-KW

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
  • "Over 1000 genes are involved in the DNA damage response of Escherichia coli."
    Khil P.P., Camerini-Otero R.D.
    Mol. Microbiol. 44:89-105(2002) [PubMed] [Europe PMC] [Abstract]
• ion transmembrane transport Source: InterPro
• phospholipid transport Source: EcoCyc <p>Inferred from Mutant Phenotype</p> <p>Describes annotations that are concluded from looking at variations or changes in a gene product such as mutations or abnormal levels and includes techniques such as knockouts, overexpression, anti-sense experiments and use of specific protein inhibitors.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#imp">GO evidence code guide</a></p> Inferred from mutant phenotypeⁱ
  • "Osmoporin OmpC forms a complex with MlaA to maintain outer membrane lipid asymmetry in Escherichia coli."
    Chong Z.S., Woo W.F., Chng S.S.
    Mol. Microbiol. 98:1133-1146(2015) [PubMed] [Europe PMC] [Abstract]

<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

Enzyme and pathway databases

Protein family/group databases

<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 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

Topology

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
  • "Proteomic analysis of the Escherichia coli outer membrane."
    Molloy M.P., Herbert B.R., Slade M.B., Rabilloud T., Nouwens A.S., Williams K.L., Gooley A.A.
    Eur. J. Biochem. 267:2871-2881(2000) [PubMed] [Europe PMC] [Abstract]
  • "Localization, annotation, and comparison of the Escherichia coli K-12 proteome under two states of growth."
    Lopez-Campistrous A., Semchuk P., Burke L., Palmer-Stone T., Brokx S.J., Broderick G., Bottorff D., Bolch S., Weiner J.H., Ellison M.J.
    Mol. Cell. Proteomics 4:1205-1209(2005) [PubMed] [Europe PMC] [Abstract]
  • "Comparison of SDS- and methanol-assisted protein solubilization and digestion methods for Escherichia coli membrane proteome analysis by 2-D LC-MS/MS."
    Zhang N., Chen R., Young N., Wishart D., Winter P., Weiner J.H., Li L.
    Proteomics 7:484-493(2007) [PubMed] [Europe PMC] [Abstract]
  • "Comparative analysis of envelope proteomes in Escherichia coli B and K-12 strains."
    Han M.J., Lee S.Y., Hong S.H.
    J. Microbiol. Biotechnol. 22:470-478(2012) [PubMed] [Europe PMC] [Abstract]
• integral component of cell outer membrane Source: EcoliWikiInferred from direct assayⁱ
  • Ref.13

    "Crystal structure of osmoporin OmpC from E. coli at 2.0 A."
    Basle A., Rummel G., Storici P., Rosenbusch J.P., Schirmer T.
    J. Mol. Biol. 362:933-942(2006) [PubMed] [Europe PMC] [Abstract]

    Cited for: X-RAY CRYSTALLOGRAPHY (2.0 ANGSTROMS) OF 22-367 IN COMPLEX WITH MG(2+), SUBUNIT, DOMAIN, TOPOLOGY.
• pore complex Source: UniProtKB-KW

Keywords - Cellular componentⁱ

<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

<p>This subsection of the ‘Pathology and Biotech’ section describes the in vivo effects caused by ablation of the gene (or one or more transcripts) coding for the protein described in the entry. This includes gene knockout and knockdown, provided experiments have been performed in the context of a whole organism or a specific tissue, and not at the single-cell level.<p><a href='/help/disruption_phenotype' target='_top'>More...</a></p>Disruption phenotypeⁱ

<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

Proteomic databases

<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>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

Protein-protein interaction databases

<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

3D structure databases

Miscellaneous databases

<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

Region

<p>This subsection of the ‘Family and domains’ section provides general information on the biological role of a domain. The term ‘domain’ is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domainⁱ

<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

Keywords - Domainⁱ

Phylogenomic databases

Family and domain databases

<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>. The information is filed in different subsections. The current subsections and their content are listed below:<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
MKVKVLSLLV PALLVAGAAN AAEVYNKDGN KLDLYGKVDG LHYFSDNKDV 
        60         70         80         90        100
DGDQTYMRLG FKGETQVTDQ LTGYGQWEYQ IQGNSAENEN NSWTRVAFAG 
       110        120        130        140        150
LKFQDVGSFD YGRNYGVVYD VTSWTDVLPE FGGDTYGSDN FMQQRGNGFA 
       160        170        180        190        200
TYRNTDFFGL VDGLNFAVQY QGKNGNPSGE GFTSGVTNNG RDALRQNGDG 
       210        220        230        240        250
VGGSITYDYE GFGIGGAISS SKRTDAQNTA AYIGNGDRAE TYTGGLKYDA 
       260        270        280        290        300
NNIYLAAQYT QTYNATRVGS LGWANKAQNF EAVAQYQFDF GLRPSLAYLQ 
       310        320        330        340        350
SKGKNLGRGY DDEDILKYVD VGATYYFNKN MSTYVDYKIN LLDDNQFTRD 
       360 
AGINTDNIVA LGLVYQF                                     

Sequence databases

Genome annotation databases

<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

• 100% Identity
• 90% Identity
• 50% Identity

<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

3D structure databases

Protein-protein interaction databases

Protein family/group databases

Proteomic databases

Genome annotation databases

Organism-specific databases

Phylogenomic databases

Enzyme and pathway databases

Miscellaneous databases

Family and domain databases

<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 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

Keywords - Technical termⁱ

Documents

1. SIMILARITY comments
   Index of protein domains and families
2. Escherichia coli
   Escherichia coli (strain K12): entries and cross-references to EcoGene
3. PDB cross-references
   Index of Protein Data Bank (PDB) cross-references