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UniProtKB - P06721 (METC_ECOLI)

Entry version 176 (07 Apr 2021)
Sequence version 1 (01 Jan 1988)
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Protein

Cystathionine beta-lyase MetC

Gene

metC

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

Primarily catalyzes the cleavage of cystathionine to homocysteine, pyruvate and ammonia during methionine biosynthesis (PubMed:7049234). Also exhibits cysteine desulfhydrase activity, producing sulfide from cysteine (PubMed:12883870). In addition, under certain growth conditions, exhibits significant alanine racemase coactivity (PubMed:21193606).3 Publications

<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

pyridoxal 5'-phosphate3 Publications

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes regulatory mechanisms for enzymes, transporters or microbial transcription factors, and reports the components which regulate (by activation or inhibition) the reaction.<p><a href='/help/activity_regulation' target='_top'>More...</a></p>Activity regulationi

L-cysteine inhibits cystathionine beta-lyase activity competitively (PubMed:7049234). Inhibited by aminoethoxyvinylglycine (AVG) (PubMed:9376370).2 Publications

<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>Kineticsi

  1. KM=0.04 mM for L-cystathionine1 Publication
  2. KM=0.25 mM for L-cystine1 Publication
  1. Vmax=249 µmol/min/mg enzyme with L-cystathionine as substrate1 Publication
  2. Vmax=263 µmol/min/mg enzyme with L-cystine as substrate1 Publication

pH dependencei

Optimum pH is 8.0-9.0.1 Publication

<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: L-methionine biosynthesis via de novo pathway

This protein is involved in step 1 of the subpathway that synthesizes L-homocysteine from L-cystathionine.Curated
Proteins known to be involved in this subpathway in this organism are:
  1. Cystathionine beta-lyase MetC (metC)
This subpathway is part of the pathway L-methionine biosynthesis via de novo pathway, which is itself part of Amino-acid biosynthesis.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes L-homocysteine from L-cystathionine, the pathway L-methionine biosynthesis via de novo pathway and in Amino-acid 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

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 functionLyase
Biological processAmino-acid biosynthesis, Methionine biosynthesis
LigandPyridoxal phosphate

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...BioCyci		EcoCyc:CYSTATHIONINE-BETA-LYASE-MONOMER
MetaCyc:CYSTATHIONINE-BETA-LYASE-MONOMER

BRENDA Comprehensive Enzyme Information System

More...BRENDAi		4.4.1.8, 2026

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

More...UniPathwayi		UPA00051;UER00078

<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:
Cystathionine beta-lyase MetC1 Publication (EC:4.4.1.131 Publication)
Short name:
CBL1 Publication
Short name:
CL1 Publication
Alternative name(s):
Beta-cystathionase MetC1 Publication
Cysteine desulfhydrase MetC1 Publication (EC:4.4.1.281 Publication)
Short name:
CD1 Publication
Cysteine lyase MetC
Cysteine-S-conjugate beta-lyase MetC
<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:metC1 Publication
Ordered Locus Names:b3008, JW2975
<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

Keywords - Cellular componenti

Cytoplasm

<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

Disruption of the gene increases the amounts of L-cysteine and L-cystine produced after 72 hours of cultivation.1 Publication

Chemistry databases

ChEMBL database of bioactive drug-like small molecules

More...ChEMBLi		CHEMBL1075079

<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 <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM / Processing</a> section indicates that the initiator methionine is cleaved from the mature protein.<p><a href='/help/init_met' target='_top'>More...</a></p>Initiator methionineiRemoved
<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_00001147682 – 395Cystathionine beta-lyase MetCAdd BLAST394

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 residuei210N6-(pyridoxal phosphate)lysine2 Publications1

Proteomic databases

jPOST - Japan Proteome Standard Repository/Database

More...jPOSTi		P06721

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

More...PaxDbi		P06721

PRoteomics IDEntifications database

More...PRIDEi		P06721

<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; dimer of dimers.

1 Publication

GO - Molecular functioni

Complete GO annotation on QuickGO ...

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...BioGRIDi		4261419, 41 interactors

Database of interacting proteins

More...DIPi		DIP-10193N

Protein interaction database and analysis system

More...IntActi		P06721, 6 interactors

STRING: functional protein association networks

More...STRINGi		511145.b3008

Chemistry databases

BindingDB database of measured binding affinities

More...BindingDBi		P06721

<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

1395
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		P06721

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		P06721

<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

Belongs to the trans-sulfuration enzymes family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		COG0626, Bacteria

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...HOGENOMi		CLU_018986_5_1_6

InParanoid: Eukaryotic Ortholog Groups

More...InParanoidi		P06721

Database for complete collections of gene phylogenies

More...PhylomeDBi		P06721

Family and domain databases

Conserved Domains Database

More...CDDi		cd00614, CGS_like, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...Gene3Di		3.40.640.10, 1 hit
3.90.1150.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR000277, Cys/Met-Metab_PyrdxlP-dep_enz
IPR006233, Cys_b_lyase_bac
IPR015424, PyrdxlP-dep_Trfase
IPR015422, PyrdxlP-dep_Trfase_dom1
IPR015421, PyrdxlP-dep_Trfase_major

The PANTHER Classification System

More...PANTHERi		PTHR43500, PTHR43500, 1 hit

Pfam protein domain database

More...Pfami		View protein in Pfam
PF01053, Cys_Met_Meta_PP, 1 hit

PIRSF; a whole-protein classification database

More...PIRSFi		PIRSF001434, CGS, 1 hit

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF53383, SSF53383, 1 hit

TIGRFAMs; a protein family database

More...TIGRFAMsi		TIGR01324, cysta_beta_ly_B, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS00868, CYS_MET_METAB_PP, 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.

<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 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.

P06721-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MADKKLDTQL VNAGRSKKYT LGAVNSVIQR ASSLVFDSVE AKKHATRNRA 
        60         70         80         90        100
NGELFYGRRG TLTHFSLQQA MCELEGGAGC VLFPCGAAAV ANSILAFIEQ 
       110        120        130        140        150
GDHVLMTNTA YEPSQDFCSK ILSKLGVTTS WFDPLIGADI VKHLQPNTKI 
       160        170        180        190        200
VFLESPGSIT MEVHDVPAIV AAVRSVVPDA IIMIDNTWAA GVLFKALDFG 
       210        220        230        240        250
IDVSIQAATK YLVGHSDAMI GTAVCNARCW EQLRENAYLM GQMVDADTAY 
       260        270        280        290        300
ITSRGLRTLG VRLRQHHESS LKVAEWLAEH PQVARVNHPA LPGSKGHEFW 
       310        320        330        340        350
KRDFTGSSGL FSFVLKKKLN NEELANYLDN FSLFSMAYSW GGYESLILAN 
       360        370        380        390 
QPEHIAAIRP QGEIDFSGTL IRLHIGLEDV DDLIADLDAG FARIV
Length:395
Mass (Da):43,212
Last modified:January 1, 1988 - v1
<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:iFD3308423D6427C6
GO

<p>This subsection of the 'Sequence' section reports difference(s) between the protein sequence shown in the UniProtKB entry and other available protein sequences derived from the same gene.<p><a href='/help/sequence_caution' target='_top'>More...</a></p>Sequence cautioni

The sequence AAA69175 differs from that shown. Reason: Erroneous initiation.Curated

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
M12858 Genomic DNA Translation: AAA24158.1
U28377 Genomic DNA Translation: AAA69175.1 Different initiation.
U00096 Genomic DNA Translation: AAC76044.1
AP009048 Genomic DNA Translation: BAE77065.1

Protein sequence database of the Protein Information Resource

More...PIRi		A25153, WZECCB

NCBI Reference Sequences

More...RefSeqi		NP_417481.1, NC_000913.3
WP_001301079.1, NZ_SSZK01000023.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...EnsemblBacteriai		AAC76044; AAC76044; b3008
BAE77065; BAE77065; BAE77065

Database of genes from NCBI RefSeq genomes

More...GeneIDi		946240

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		ecj:JW2975
eco:b3008

Pathosystems Resource Integration Center (PATRIC)

More...PATRICi		fig|511145.12.peg.3102

<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
M12858 Genomic DNA Translation: AAA24158.1
U28377 Genomic DNA Translation: AAA69175.1 Different initiation.
U00096 Genomic DNA Translation: AAC76044.1
AP009048 Genomic DNA Translation: BAE77065.1
PIRiA25153, WZECCB
RefSeqiNP_417481.1, NC_000913.3
WP_001301079.1, NZ_SSZK01000023.1

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
1CL1X-ray1.83A/B1-395[»]
1CL2X-ray2.20A/B1-395[»]
2FQ6X-ray1.78A/B1-395[»]
2GQNX-ray1.80A/B1-395[»]
4ITGX-ray1.74A/B1-395[»]
4ITXX-ray1.61A/B1-395[»]
SMRiP06721
ModBaseiSearch...
PDBe-KBiSearch...

Protein-protein interaction databases

BioGRIDi4261419, 41 interactors
DIPiDIP-10193N
IntActiP06721, 6 interactors
STRINGi511145.b3008

Chemistry databases

BindingDBiP06721
ChEMBLiCHEMBL1075079

Proteomic databases

jPOSTiP06721
PaxDbiP06721
PRIDEiP06721

Genome annotation databases

EnsemblBacteriaiAAC76044; AAC76044; b3008
BAE77065; BAE77065; BAE77065
GeneIDi946240
KEGGiecj:JW2975
eco:b3008
PATRICifig|511145.12.peg.3102

Organism-specific databases

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

More...EchoBASEi		EB0578

Phylogenomic databases

eggNOGiCOG0626, Bacteria
HOGENOMiCLU_018986_5_1_6
InParanoidiP06721
PhylomeDBiP06721

Enzyme and pathway databases

UniPathwayiUPA00051;UER00078
BioCyciEcoCyc:CYSTATHIONINE-BETA-LYASE-MONOMER
MetaCyc:CYSTATHIONINE-BETA-LYASE-MONOMER
BRENDAi4.4.1.8, 2026

Miscellaneous databases

EvolutionaryTraceiP06721

Protein Ontology

More...PROi		PR:P06721

Family and domain databases

CDDicd00614, CGS_like, 1 hit
Gene3Di3.40.640.10, 1 hit
3.90.1150.10, 1 hit
InterProiView protein in InterPro
IPR000277, Cys/Met-Metab_PyrdxlP-dep_enz
IPR006233, Cys_b_lyase_bac
IPR015424, PyrdxlP-dep_Trfase
IPR015422, PyrdxlP-dep_Trfase_dom1
IPR015421, PyrdxlP-dep_Trfase_major
PANTHERiPTHR43500, PTHR43500, 1 hit
PfamiView protein in Pfam
PF01053, Cys_Met_Meta_PP, 1 hit
PIRSFiPIRSF001434, CGS, 1 hit
SUPFAMiSSF53383, SSF53383, 1 hit
TIGRFAMsiTIGR01324, cysta_beta_ly_B, 1 hit
PROSITEiView protein in PROSITE
PS00868, CYS_MET_METAB_PP, 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 nameiMETC_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: P06721
Secondary accession number(s): Q2M9J1
<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: January 1, 1988
Last sequence update: January 1, 1988
Last modified: April 7, 2021
This is version 176 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 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, Direct protein sequencing, 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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