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ssnA putative aminohydrolase SsnA [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 949072, updated on 23-Apr-2026
Official Symbol
ssnA
Official Full Name
putative aminohydrolase SsnA
Primary source
ECOCYC:G7498
Locus tag
b2879
See related
ASAP:ABE-0009452
Gene type
protein coding
RefSeq status
REVIEWED
Organism
Escherichia coli str. K-12 substr. MG1655 (strain: K-12, substrain: MG1655)
Lineage
Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria; Enterobacterales; Enterobacteriaceae; Escherichia
Also known as
ECK2875; ygfL
Summary
A mutant exhibits less cell inviability upon entry into stationary phase in rich media than wild type . [More information is available at EcoCyc: G7498].
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Sequence:
NC_000913.3 (3019161..3020489)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene molybdenum cofactor cytidylyltransferase Neighboring gene putative oxidoreductase, Fe-S subunit Neighboring gene putative oxidoreductase Neighboring gene fused putative xanthine/hypoxanthine oxidase: molybdopterin-binding subunit and Fe-S binding subunit Neighboring gene xanthine:H(+) symporter XanQ

Genomic Sequence:
NC_000913.3

Go to nucleotide: Graphics FASTA GenBank

Related articles in PubMed

  1. Characterization of the ssnA gene, which is involved in the decline of cell viability at the beginning of stationary phase in Escherichia coli. Yamada M, et al. J Bacteriol, 1999 Mar. PMID 10074077, Free PMC Article
  2. Expression, purification and crystallization of the cell-division protein YgfE from Escherichia coli. Addinall SG, et al. Acta Crystallogr Sect F Struct Biol Cryst Commun, 2005 Mar 1. PMID 16511026, Free PMC Article
  3. RpoS-dependent regulation of genes expressed at late stationary phase in Escherichia coli. Talukder AA, et al. FEBS Lett, 1996 May 20. PMID 8647276
  4. Analysis of products of the Escherichia coli genomic genes and regulation of their expressions: an applicable procedure for genomic analysis of other microorganisms. Talukder AA, et al. Biosci Biotechnol Biochem, 1994 Jan. PMID 7764507
  5. Purine catabolism in Escherichia coli and function of xanthine dehydrogenase in purine salvage. Xi H, et al. J Bacteriol, 2000 Oct. PMID 10986234, Free PMC Article

See all (9) citations in PubMed

GeneRIFs: Gene References Into Functions

What's a GeneRIF?
  1. N-terminus verified by Edman degradation on complete protein
    Title: Characterization of the ssnA gene, which is involved in the decline of cell viability at the beginning of stationary phase in Escherichia coli.
  2. The protein was purified in three steps to 99% purity; crystals were obtained by the hanging-drop vapour-diffusion method at 291 K from a wide range of screened conditions.
    Title: Expression, purification and crystallization of the cell-division protein YgfE from Escherichia coli.
Submit: New GeneRIF Correction

Homology

Gene Ontology Provided by EcoCyc

Function Evidence Code Pubs
enables deaminase activity IBA
Inferred from Biological aspect of Ancestor
more info
  
enables hydrolase activity IEA
Inferred from Electronic Annotation
more info
  
enables hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds IEA
Inferred from Electronic Annotation
more info
  
Process Evidence Code Pubs
involved_in negative regulation of cell growth IMP
Inferred from Mutant Phenotype
more info
 PubMed 
Preferred Names
putative aminohydrolase SsnA

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Genome Annotation

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference assembly

Genomic

  1. NC_000913.3 Reference assembly

    Range
    3019161..3020489
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_417355.4 putative aminohydrolase SsnA

    See identical proteins and their annotated locations for NP_417355.4

    Status: REVIEWED

    UniProtKB/TrEMBL
    A0A8H9T0V0
    Conserved Domains (1) summary
    TIGR03314
    Location:2 → 438
    Se_ssnA; putative selenium metabolism protein SsnA
Nucleotide Protein
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