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nirD nitrite reductase (NADH) small subunit [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 947881, updated on 6-Jul-2026
Official Symbol
nirD
Official Full Name
nitrite reductase (NADH) small subunit
Primary source
ECOCYC:EG10655
Locus tag
b3366
See related
ASAP:ABE-0011005
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
ECK3354
Summary
The nirD gene encodes the small subunit of the nitrite reductase. [More information is available at EcoCyc: EG10655].
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Sequence:
NC_000913.3 (3496551..3496877)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene peptidyl-prolyl cis-trans isomerase A Neighboring gene putative transporter TsgA Neighboring gene nitrite reductase (NADH) large subunit Neighboring gene nitrite transporter NirC Neighboring gene siroheme synthase

Genomic Sequence:
NC_000913.3
Products Interactant Other Gene Complex Source Pubs Description

Gene Ontology Provided by EcoCyc

Function Evidence Code Pubs
enables 2 iron, 2 sulfur cluster binding IEA
Inferred from Electronic Annotation
more info
 
contributes_to nitrite reductase (NADH) activity IDA
Inferred from Direct Assay
more info
PubMed 
enables nitrite reductase (NADH) activity IEA
Inferred from Electronic Annotation
more info
 
contributes_to nitrite reductase (NADH) activity IMP
Inferred from Mutant Phenotype
more info
PubMed 
enables nitrite reductase [NAD(P)H] activity IEA
Inferred from Electronic Annotation
more info
 
enables protein binding IPI
Inferred from Physical Interaction
more info
PubMed 
Component Evidence Code Pubs
located_in cytoplasm IEA
Inferred from Electronic Annotation
more info
 
part_of nitrite reductase complex [NAD(P)H] IBA
Inferred from Biological aspect of Ancestor
more info
 
part_of nitrite reductase complex [NAD(P)H] IDA
Inferred from Direct Assay
more info
PubMed 
Preferred Names
nitrite reductase (NADH) small subunit
NP_417825.1

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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
    3496551..3496877
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_417825.1 nitrite reductase (NADH) small subunit

    See identical proteins and their annotated locations for NP_417825.1

    Status: REVIEWED

    Conserved Domains (1) summary
    PRK09511
    Location:1108
    nirD; nitrite reductase small subunit NirD