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UniProtKB - P77444 (SUFS_ECOLI)

Entry version 170 (11 Dec 2019)
Sequence version 1 (01 Feb 1997)
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Protein

Cysteine desulfurase

Gene

sufS

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

Cysteine desulfurases mobilize the sulfur from L-cysteine to yield L-alanine, an essential step in sulfur metabolism for biosynthesis of a variety of sulfur-containing biomolecules. Component of the suf operon, which is activated and required under specific conditions such as oxidative stress and iron limitation. Acts as a potent selenocysteine lyase in vitro, that mobilizes selenium from L-selenocysteine. Selenocysteine lyase activity is however unsure in vivo.5 Publications

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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'-phosphate

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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

Displays a strong preference for selenocysteine as a substrate in vitro and is only very slightly active using cysteine. The interactions with SufE and the SufBCD complex act synergistically to enhance, up to 50-fold, its cysteine desulfurase activity.3 Publications

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: iron-sulfur cluster biosynthesis

This protein is involved in the pathway iron-sulfur cluster biosynthesis, which is part of Cofactor biosynthesis.
View all proteins of this organism that are known to be involved in the pathway iron-sulfur cluster biosynthesis and in Cofactor biosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei364Cysteine persulfide intermediate1

<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, Transferase
LigandPyridoxal phosphate

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...BioCyci		EcoCyc:G6906-MONOMER
ECOL316407:JW1670-MONOMER
MetaCyc:G6906-MONOMER

BRENDA Comprehensive Enzyme Information System

More...BRENDAi		2.8.1.7 2026
4.4.1.16 2026

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

More...UniPathwayi		UPA00266

<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:
Cysteine desulfurase (EC:2.8.1.7)
Alternative name(s):
Selenocysteine beta-lyase
Short name:
SCL
Selenocysteine lyase (EC:4.4.1.16)
Selenocysteine reductase
<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:sufS
Synonyms:csdB, ynhB
Ordered Locus Names:b1680, JW1670
<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>OrganismiEscherichia 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 identifieri83333 [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 lineageiBacteria › Proteobacteria › Gammaproteobacteria › Enterobacterales › Enterobacteriaceae › Escherichia ›
<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
  • UP000000318 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">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

GO - Cellular componenti

Complete GO annotation on QuickGO ...

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

Mutagenesis

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<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>Mutagenesisi55H → A: No effect. 1 Publication1
Mutagenesisi123H → A: Loss of function; possibly due to destabilization of PLP in the active site. 1 Publication1
Mutagenesisi364C → A: Abolishes activity towards L-cysteine but not towards selenocysteine. 1 Publication1
Mutagenesisi379R → A: Loss of function. 1 Publication1

Chemistry databases

Drug and drug target database

More...DrugBanki		DB04217 L-2-amino-3-butynoic acid
DB02761 S-Mercaptocysteine
DB03049 S-Selanyl Cysteine
DB02345 Selenocysteine

<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.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001503291 – 406Cysteine desulfuraseAdd BLAST406

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 residuei226N6-(pyridoxal phosphate)lysine1

Proteomic databases

Encyclopedia of Proteome Dynamics

More...EPDi		P77444

jPOST - Japan Proteome Standard Repository/Database

More...jPOSTi		P77444

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

More...PaxDbi		P77444

PRoteomics IDEntifications database

More...PRIDEi		P77444

<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

Suf operon is under both the Fe-dependent Fur repressor and the oxidative stress dependent OxyR activator.

<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

Homodimer.

Interacts with SufE and the SufBCD complex composed of SufB, SufC and SufD. The interaction with SufE is required to mediate the direct transfer of the sulfur atom from the S-sulfanylcysteine.

4 Publications

<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

WithEntry#Exp.IntActNotes
P761943EBI-1124981,EBI-1124973

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...BioGridi		4260281, 100 interactors
850545, 4 interactors

ComplexPortal: manually curated resource of macromolecular complexes

More...ComplexPortali		CPX-2124 SufS complex

Database of interacting proteins

More...DIPi		DIP-9324N

Protein interaction database and analysis system

More...IntActi		P77444, 14 interactors

STRING: functional protein association networks

More...STRINGi		511145.b1680

<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

1406
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		P77444

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		P77444

<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 class-V pyridoxal-phosphate-dependent aminotransferase family. Csd subfamily.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		ENOG4105C9B Bacteria
COG0520 LUCA

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...HOGENOMi		HOG000017511

InParanoid: Eukaryotic Ortholog Groups

More...InParanoidi		P77444

KEGG Orthology (KO)

More...KOi		K11717

Database for complete collections of gene phylogenies

More...PhylomeDBi		P77444

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

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

HAMAP database of protein families

More...HAMAPi		MF_01831 SufS_aminotrans_5, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR000192 Aminotrans_V_dom
IPR020578 Aminotrans_V_PyrdxlP_BS
IPR010970 Cys_dSase_SufS
IPR015424 PyrdxlP-dep_Trfase
IPR015422 PyrdxlP-dep_Trfase_dom1
IPR015421 PyrdxlP-dep_Trfase_major

Pfam protein domain database

More...Pfami		View protein in Pfam
PF00266 Aminotran_5, 1 hit

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF53383 SSF53383, 1 hit

TIGRFAMs; a protein family database

More...TIGRFAMsi		TIGR01979 sufS, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS00595 AA_TRANSFER_CLASS_5, 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>. 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.

P77444-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MIFSVDKVRA DFPVLSREVN GLPLAYLDSA ASAQKPSQVI DAEAEFYRHG 
        60         70         80         90        100
YAAVHRGIHT LSAQATEKME NVRKRASLFI NARSAEELVF VRGTTEGINL 
       110        120        130        140        150
VANSWGNSNV RAGDNIIISQ MEHHANIVPW QMLCARVGAE LRVIPLNPDG 
       160        170        180        190        200
TLQLETLPTL FDEKTRLLAI THVSNVLGTE NPLAEMITLA HQHGAKVLVD 
       210        220        230        240        250
GAQAVMHHPV DVQALDCDFY VFSGHKLYGP TGIGILYVKE ALLQEMPPWE 
       260        270        280        290        300
GGGSMIATVS LSEGTTWTKA PWRFEAGTPN TGGIIGLGAA LEYVSALGLN 
       310        320        330        340        350
NIAEYEQNLM HYALSQLESV PDLTLYGPQN RLGVIAFNLG KHHAYDVGSF 
       360        370        380        390        400
LDNYGIAVRT GHHCAMPLMA YYNVPAMCRA SLAMYNTHEE VDRLVTGLQR 

IHRLLG
Length:406
Mass (Da):44,434
Last modified:February 1, 1997 - 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:i9374C43C3AD9D8E3
GO

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
AB055108 Genomic DNA Translation: BAB21542.1
U00096 Genomic DNA Translation: AAC74750.1
AP009048 Genomic DNA Translation: BAA15457.1

Protein sequence database of the Protein Information Resource

More...PIRi		H64925

NCBI Reference Sequences

More...RefSeqi		NP_416195.1, NC_000913.3
WP_000577988.1, NZ_SSZK01000001.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...EnsemblBacteriai		AAC74750; AAC74750; b1680
BAA15457; BAA15457; BAA15457

Database of genes from NCBI RefSeq genomes

More...GeneIDi		946185

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		ecj:JW1670
eco:b1680

Pathosystems Resource Integration Center (PATRIC)

More...PATRICi		fig|1411691.4.peg.578

<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
AB055108 Genomic DNA Translation: BAB21542.1
U00096 Genomic DNA Translation: AAC74750.1
AP009048 Genomic DNA Translation: BAA15457.1
PIRiH64925
RefSeqiNP_416195.1, NC_000913.3
WP_000577988.1, NZ_SSZK01000001.1

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
1C0NX-ray2.80A1-406[»]
1I29X-ray2.80A1-406[»]
1JF9X-ray2.00A1-406[»]
1KMJX-ray2.00A1-406[»]
1KMKX-ray2.20A1-406[»]
5DB5X-ray2.75A/B1-406[»]
6MR2X-ray2.40A1-406[»]
6MR6X-ray2.02A1-406[»]
6MREX-ray2.50A1-406[»]
6MRHX-ray2.02A1-406[»]
6MRIX-ray2.62A1-406[»]
6O10X-ray2.00A1-406[»]
6O11X-ray1.84A1-406[»]
6O12X-ray2.05A1-406[»]
6O13X-ray2.20A1-406[»]
SMRiP77444
ModBaseiSearch...
PDBe-KBiSearch...

Protein-protein interaction databases

BioGridi4260281, 100 interactors
850545, 4 interactors
ComplexPortaliCPX-2124 SufS complex
DIPiDIP-9324N
IntActiP77444, 14 interactors
STRINGi511145.b1680

Chemistry databases

DrugBankiDB04217 L-2-amino-3-butynoic acid
DB02761 S-Mercaptocysteine
DB03049 S-Selanyl Cysteine
DB02345 Selenocysteine

Proteomic databases

EPDiP77444
jPOSTiP77444
PaxDbiP77444
PRIDEiP77444

Genome annotation databases

EnsemblBacteriaiAAC74750; AAC74750; b1680
BAA15457; BAA15457; BAA15457
GeneIDi946185
KEGGiecj:JW1670
eco:b1680
PATRICifig|1411691.4.peg.578

Organism-specific databases

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

More...EchoBASEi		EB3720

Phylogenomic databases

eggNOGiENOG4105C9B Bacteria
COG0520 LUCA
HOGENOMiHOG000017511
InParanoidiP77444
KOiK11717
PhylomeDBiP77444

Enzyme and pathway databases

UniPathwayiUPA00266
BioCyciEcoCyc:G6906-MONOMER
ECOL316407:JW1670-MONOMER
MetaCyc:G6906-MONOMER
BRENDAi2.8.1.7 2026
4.4.1.16 2026

Miscellaneous databases

EvolutionaryTraceiP77444

Protein Ontology

More...PROi		PR:P77444

Family and domain databases

Gene3Di3.40.640.10, 1 hit
3.90.1150.10, 1 hit
HAMAPiMF_01831 SufS_aminotrans_5, 1 hit
InterProiView protein in InterPro
IPR000192 Aminotrans_V_dom
IPR020578 Aminotrans_V_PyrdxlP_BS
IPR010970 Cys_dSase_SufS
IPR015424 PyrdxlP-dep_Trfase
IPR015422 PyrdxlP-dep_Trfase_dom1
IPR015421 PyrdxlP-dep_Trfase_major
PfamiView protein in Pfam
PF00266 Aminotran_5, 1 hit
SUPFAMiSSF53383 SSF53383, 1 hit
TIGRFAMsiTIGR01979 sufS, 1 hit
PROSITEiView protein in PROSITE
PS00595 AA_TRANSFER_CLASS_5, 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 nameiSUFS_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: P77444
<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 historyiIntegrated into UniProtKB/Swiss-Prot: April 27, 2001
Last sequence update: February 1, 1997
Last modified: December 11, 2019
This is version 170 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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