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UniProtKB - P21170 (SPEA_ECOLI)

Entry version 175 (02 Dec 2020)
Sequence version 2 (29 Aug 2003)
Previous versions | rss
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Protein

Biosynthetic arginine decarboxylase

Gene

speA

Organism
Escherichia coli (strain K12)
Status
Reviewed-Annotation score:

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>

<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

Catalyzes the biosynthesis of agmatine from arginine.By similarity

Miscellaneous

ADC can be found in two forms: biodegradative and biosynthetic. The biodegradative form may play a role in regulating pH by consuming proteins.

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<p>This subsection of the 'Function' section provides information relevant to cofactors. A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.<p><a href='/help/cofactor' target='_top'>More...</a></p>Cofactori

Protein has several cofactor binding sites:

<p>This subsection of the 'Function' section describes biophysical and chemical properties, such as maximal absorption, kinetic parameters, pH dependence, redox potentials and temperature dependence.<p><a href='/help/biophysicochemical_properties' target='_top'>More...</a></p>pH dependencei

Optimum pH is 8.4.

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: agmatine biosynthesis

This protein is involved in step 1 of the subpathway that synthesizes agmatine from L-arginine.
Proteins known to be involved in this subpathway in this organism are:
  1. Biosynthetic arginine decarboxylase (speA), Biosynthetic arginine decarboxylase (speA)
This subpathway is part of the pathway agmatine biosynthesis, which is itself part of Amine and polyamine biosynthesis.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes agmatine from L-arginine, the pathway agmatine biosynthesis and in Amine and polyamine biosynthesis.

<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

  • arginine decarboxylase activity Source: EcoCyc
  • metal ion binding Source: UniProtKB-KW
Complete GO annotation on QuickGO ...

GO - Biological processi

Complete GO annotation on QuickGO ...

<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 functionDecarboxylase, Lyase
Biological processPolyamine biosynthesis, Putrescine biosynthesis, Spermidine biosynthesis
LigandMagnesium, Metal-binding, Pyridoxal phosphate

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...BioCyci		EcoCyc:ARGDECARBOXBIO-MONOMER
MetaCyc:ARGDECARBOXBIO-MONOMER

BRENDA Comprehensive Enzyme Information System

More...BRENDAi		4.1.1.19, 2026

SABIO-RK: Biochemical Reaction Kinetics Database

More...SABIO-RKi		P21170

UniPathway: a resource for the exploration and annotation of metabolic pathways

More...UniPathwayi		UPA00186;UER00284

<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%5Fand%5Ftaxonomy%5Fsection">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:
Biosynthetic arginine decarboxylase (EC:4.1.1.19)
Short name:
ADC
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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:speA
Ordered Locus Names:b2938, JW2905
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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>OrganismiEscherichia coli (strain K12)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 identifieri83333 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 lineageiBacteria › Proteobacteria › Gammaproteobacteria › Enterobacterales › Enterobacteriaceae › Escherichia ›
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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
  • UP000000318 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome
  • UP000000625 Componenti: Chromosome

<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

  • Periplasm 1 Publication

GO - Cellular componenti

Complete GO annotation on QuickGO ...

Keywords - Cellular componenti

Periplasm

<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 keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001499601 – 658Biosynthetic arginine decarboxylaseAdd BLAST658

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei127N6-(pyridoxal phosphate)lysineBy similarity1

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Processed post-translationally to a 70 kDa mature form.
The N-terminus is blocked.

Proteomic databases

jPOST - Japan Proteome Standard Repository/Database

More...jPOSTi		P21170

PaxDb, a database of protein abundance averages across all three domains of life

More...PaxDbi		P21170

PRoteomics IDEntifications database

More...PRIDEi		P21170

<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

By growth in an acidic enriched medium containing arginine (biodegradative form), by growth in minimal media at neutral pH (biosynthetic). Putrescine and spermidine repress the speA gene and feedback inhibit ADC.

<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%5Fsection">'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%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Homotetramer.

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...BioGRIDi		4262346, 13 interactors
851752, 4 interactors

Database of interacting proteins

More...DIPi		DIP-10905N

Protein interaction database and analysis system

More...IntActi		P21170, 16 interactors

STRING: functional protein association networks

More...STRINGi		511145.b2938

<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

1658
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...SMRi		P21170

Database of comparative protein structure models

More...ModBasei		Search...

Protein Data Bank in Europe - Knowledge Base

More...PDBe-KBi		Search...

Miscellaneous databases

Relative evolutionary importance of amino acids within a protein sequence

More...EvolutionaryTracei		P21170

<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

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni307 – 317Substrate-bindingSequence analysisAdd BLAST11

<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

Belongs to the Orn/Lys/Arg decarboxylase class-II family. SpeA subfamily.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		COG1166, Bacteria

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...HOGENOMi		CLU_027243_1_0_6

InParanoid: Eukaryotic Ortholog Groups

More...InParanoidi		P21170

Database for complete collections of gene phylogenies

More...PhylomeDBi		P21170

Family and domain databases

Conserved Domains Database

More...CDDi		cd06830, PLPDE_III_ADC, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...Gene3Di		2.40.37.10, 1 hit
3.20.20.10, 1 hit

HAMAP database of protein families

More...HAMAPi		MF_01417, SpeA, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR009006, Ala_racemase/Decarboxylase_C
IPR040634, Arg_decarb_HB
IPR041128, Arg_decarbox_C
IPR002985, Arg_decrbxlase
IPR022657, De-COase2_CS
IPR022644, De-COase2_N
IPR022653, De-COase2_pyr-phos_BS
IPR000183, Orn/DAP/Arg_de-COase
IPR029066, PLP-binding_barrel

The PANTHER Classification System

More...PANTHERi		PTHR43295, PTHR43295, 1 hit

Pfam protein domain database

More...Pfami		View protein in Pfam
PF17810, Arg_decarb_HB, 1 hit
PF17944, Arg_decarbox_C, 1 hit
PF02784, Orn_Arg_deC_N, 1 hit

PIRSF; a whole-protein classification database

More...PIRSFi		PIRSF001336, Arg_decrbxlase, 1 hit

Protein Motif fingerprint database; a protein domain database

More...PRINTSi		PR01180, ARGDCRBXLASE
PR01179, ODADCRBXLASE

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF50621, SSF50621, 1 hit
SSF51419, SSF51419, 1 hit

TIGRFAMs; a protein family database

More...TIGRFAMsi		TIGR01273, speA, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS00878, ODR_DC_2_1, 1 hit
PS00879, ODR_DC_2_2, 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%5Flength">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%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">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.

P21170-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSDDMSMGLP SSAGEHGVLR SMQEVAMSSQ EASKMLRTYN IAWWGNNYYD 
        60         70         80         90        100
VNELGHISVC PDPDVPEARV DLAQLVKTRE AQGQRLPALF CFPQILQHRL 
       110        120        130        140        150
RSINAAFKRA RESYGYNGDY FLVYPIKVNQ HRRVIESLIH SGEPLGLEAG 
       160        170        180        190        200
SKAELMAVLA HAGMTRSVIV CNGYKDREYI RLALIGEKMG HKVYLVIEKM 
       210        220        230        240        250
SEIAIVLDEA ERLNVVPRLG VRARLASQGS GKWQSSGGEK SKFGLAATQV 
       260        270        280        290        300
LQLVETLREA GRLDSLQLLH FHLGSQMANI RDIATGVRES ARFYVELHKL 
       310        320        330        340        350
GVNIQCFDVG GGLGVDYEGT RSQSDCSVNY GLNEYANNII WAIGDACEEN 
       360        370        380        390        400
GLPHPTVITE SGRAVTAHHT VLVSNIIGVE RNEYTVPTAP AEDAPRALQS 
       410        420        430        440        450
MWETWQEMHE PGTRRSLREW LHDSQMDLHD IHIGYSSGIF SLQERAWAEQ 
       460        470        480        490        500
LYLSMCHEVQ KQLDPQNRAH RPIIDELQER MADKMYVNFS LFQSMPDAWG 
       510        520        530        540        550
IDQLFPVLPL EGLDQVPERR AVLLDITCDS DGAIDHYIDG DGIATTMPMP 
       560        570        580        590        600
EYDPENPPML GFFMVGAYQE ILGNMHNLFG DTEAVDVFVF PDGSVEVELS 
       610        620        630        640        650
DEGDTVADML QYVQLDPKTL LTQFRDQVKK TDLDAELQQQ FLEEFEAGLY 

GYTYLEDE
Length:658
Mass (Da):73,898
Last modified:August 29, 2003 - v2
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i22613CEA5F957CC3
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<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 conflicti226A → R in AAA24646 (PubMed:2198270).Curated1

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...EMBLi

GenBank nucleotide sequence database

More...GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...DDBJi
Links Updated
M31770 Genomic DNA Translation: AAA24646.1
U28377 Genomic DNA Translation: AAA69105.1
U00096 Genomic DNA Translation: AAC75975.1
AP009048 Genomic DNA Translation: BAE77001.1
M32363 Genomic DNA No translation available.

Protein sequence database of the Protein Information Resource

More...PIRi		A65079

NCBI Reference Sequences

More...RefSeqi		NP_417413.1, NC_000913.3
WP_001300904.1, NZ_SSZK01000003.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...EnsemblBacteriai		AAC75975; AAC75975; b2938
BAE77001; BAE77001; BAE77001

Database of genes from NCBI RefSeq genomes

More...GeneIDi		947432

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		ecj:JW2905
eco:b2938

Pathosystems Resource Integration Center (PATRIC)

More...PATRICi		fig|1411691.4.peg.3795

<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

<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:
EMBLi
GenBanki
DDBJi
Links Updated
M31770 Genomic DNA Translation: AAA24646.1
U28377 Genomic DNA Translation: AAA69105.1
U00096 Genomic DNA Translation: AAC75975.1
AP009048 Genomic DNA Translation: BAE77001.1
M32363 Genomic DNA No translation available.
PIRiA65079
RefSeqiNP_417413.1, NC_000913.3
WP_001300904.1, NZ_SSZK01000003.1

3D structure databases

Select the link destinations:

Protein Data Bank Europe

More...PDBei

Protein Data Bank RCSB

More...RCSB PDBi

Protein Data Bank Japan

More...PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
3NZQX-ray3.10A/B1-658[»]
SMRiP21170
ModBaseiSearch...
PDBe-KBiSearch...

Protein-protein interaction databases

BioGRIDi4262346, 13 interactors
851752, 4 interactors
DIPiDIP-10905N
IntActiP21170, 16 interactors
STRINGi511145.b2938

Proteomic databases

jPOSTiP21170
PaxDbiP21170
PRIDEiP21170

Genome annotation databases

EnsemblBacteriaiAAC75975; AAC75975; b2938
BAE77001; BAE77001; BAE77001
GeneIDi947432
KEGGiecj:JW2905
eco:b2938
PATRICifig|1411691.4.peg.3795

Organism-specific databases

EchoBASE - an integrated post-genomic database for E. coli

More...EchoBASEi		EB0952

Phylogenomic databases

eggNOGiCOG1166, Bacteria
HOGENOMiCLU_027243_1_0_6
InParanoidiP21170
PhylomeDBiP21170

Enzyme and pathway databases

UniPathwayiUPA00186;UER00284
BioCyciEcoCyc:ARGDECARBOXBIO-MONOMER
MetaCyc:ARGDECARBOXBIO-MONOMER
BRENDAi4.1.1.19, 2026
SABIO-RKiP21170

Miscellaneous databases

EvolutionaryTraceiP21170

Protein Ontology

More...PROi		PR:P21170

Family and domain databases

CDDicd06830, PLPDE_III_ADC, 1 hit
Gene3Di2.40.37.10, 1 hit
3.20.20.10, 1 hit
HAMAPiMF_01417, SpeA, 1 hit
InterProiView protein in InterPro
IPR009006, Ala_racemase/Decarboxylase_C
IPR040634, Arg_decarb_HB
IPR041128, Arg_decarbox_C
IPR002985, Arg_decrbxlase
IPR022657, De-COase2_CS
IPR022644, De-COase2_N
IPR022653, De-COase2_pyr-phos_BS
IPR000183, Orn/DAP/Arg_de-COase
IPR029066, PLP-binding_barrel
PANTHERiPTHR43295, PTHR43295, 1 hit
PfamiView protein in Pfam
PF17810, Arg_decarb_HB, 1 hit
PF17944, Arg_decarbox_C, 1 hit
PF02784, Orn_Arg_deC_N, 1 hit
PIRSFiPIRSF001336, Arg_decrbxlase, 1 hit
PRINTSiPR01180, ARGDCRBXLASE
PR01179, ODADCRBXLASE
SUPFAMiSSF50621, SSF50621, 1 hit
SSF51419, SSF51419, 1 hit
TIGRFAMsiTIGR01273, speA, 1 hit
PROSITEiView protein in PROSITE
PS00878, ODR_DC_2_1, 1 hit
PS00879, ODR_DC_2_2, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...ProtoNeti		Search...

MobiDB: a database of protein disorder and mobility annotations

More...MobiDBi		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 nameiSPEA_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>AccessioniPrimary (citable) accession number: P21170
Secondary accession number(s): Q2M9Q5
<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%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 1, 1991
Last sequence update: August 29, 2003
Last modified: December 2, 2020
This is version 175 of the entry and version 2 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 statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic 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

Keywords - Technical termi

3D-structure, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  3. SIMILARITY comments
    Index of protein domains and families
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