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gltB glutamate synthase subunit GltB [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 947724, updated on 4-Feb-2026
Official Symbol
gltB
Official Full Name
glutamate synthase subunit GltB
Primary source
ECOCYC:EG10403
Locus tag
b3212
See related
ASAP:ABE-0010545
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
aspB; ECK3202; ossB; psiQ
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Sequence:
NC_000913.3 (3354725..3359185)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene ncRNA Neighboring gene sensor histidine kinase ArcB Neighboring gene radical SAM family oxidoreductase YhcC Neighboring gene glutamate synthase subunit GltD Neighboring gene periplasmic protein GltF

Genomic Sequence:
NC_000913.3

Go to nucleotide: Graphics FASTA GenBank

Related articles in PubMed

  1. Mutations affecting the Shine-Dalgarno sequences of the untranslated region of the Escherichia coli gltBDF operon. Velázquez L, et al. J Bacteriol, 1991 May. PMID 1673677, Free PMC Article
  2. Molecular cloning and characterization of a large subunit of Salmonella typhimurium glutamate synthase (GOGAT) gene in Escherichia coli. Chung TW, et al. J Microbiol, 2006 Jun. PMID 16820760
  3. Tight linkage of genes that encode the two glutamate synthase subunits of Escherichia coli K-12. Lozoya E, et al. J Bacteriol, 1980 Nov. PMID 6107287, Free PMC Article
  4. Amino acid sequence analysis of the glutamate synthase enzyme from Escherichia coli K-12. Gosset G, et al. Protein Seq Data Anal, 1989. PMID 2643092
  5. Determination of the nucleotide sequence for the glutamate synthase structural genes of Escherichia coli K-12. Oliver G, et al. Gene, 1987. PMID 3326786

See all (27) citations in PubMed

GeneRIFs: Gene References Into Functions

What's a GeneRIF?
  1. N-terminus verified by Edman degradation on mature peptide
    Title: Determination of the nucleotide sequence for the glutamate synthase structural genes of Escherichia coli K-12.
Submit: New GeneRIF Correction
Products Interactant Other Gene Complex Source Pubs Description

Homology

Gene Ontology Provided by EcoCyc

Function Evidence Code Pubs
enables 3 iron, 4 sulfur cluster binding IEA
Inferred from Electronic Annotation
more info
  
enables glutamate synthase (NADPH) activity IDA
Inferred from Direct Assay
more info
 PubMed 
enables glutamate synthase (NADPH) activity IEA
Inferred from Electronic Annotation
more info
  
enables glutamate synthase activity IBA
Inferred from Biological aspect of Ancestor
more info
  
enables glutamate synthase activity IEA
Inferred from Electronic Annotation
more info
  
enables iron-sulfur cluster binding IEA
Inferred from Electronic Annotation
more info
  
enables metal ion binding IEA
Inferred from Electronic Annotation
more info
  
enables oxidoreductase activity IEA
Inferred from Electronic Annotation
more info
  
enables oxidoreductase activity, acting on the CH-NH2 group of donors IEA
Inferred from Electronic Annotation
more info
  
enables protein binding IPI
Inferred from Physical Interaction
more info
 PubMed 
Process Evidence Code Pubs
involved_in L-glutamate biosynthetic process IBA
Inferred from Biological aspect of Ancestor
more info
  
acts_upstream_of_or_within L-glutamate biosynthetic process IDA
Inferred from Direct Assay
more info
 PubMed 
involved_in L-glutamate biosynthetic process IDA
Inferred from Direct Assay
more info
 PubMed 
involved_in L-glutamate biosynthetic process IEA
Inferred from Electronic Annotation
more info
  
involved_in amino acid biosynthetic process IEA
Inferred from Electronic Annotation
more info
  
involved_in ammonia assimilation cycle IBA
Inferred from Biological aspect of Ancestor
more info
  
involved_in ammonia assimilation cycle IDA
Inferred from Direct Assay
more info
 PubMed 
Component Evidence Code Pubs
located_in cytosol IDA
Inferred from Direct Assay
more info
 PubMed 
Preferred Names
glutamate synthase subunit GltB
NP_417679.2

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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
    3354725..3359185
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_417679.2 glutamate synthase subunit GltB

    See identical proteins and their annotated locations for NP_417679.2

    Status: REVIEWED

    UniProtKB/TrEMBL
    A0A8S7AZ26
    Conserved Domains (1) summary
    PRK11750
    Location:1 → 1481
    gltB; glutamate synthase subunit alpha; Provisional
Nucleotide Protein
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