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hyfI hydrogenase 4 catalytic subunit HyfI [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 946966, updated on 23-Apr-2026
Official Symbol
hyfI
Official Full Name
hydrogenase 4 catalytic subunit HyfI
Primary source
ECOCYC:G7306
Locus tag
b2489
See related
ASAP:ABE-0008198
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
ECK2485
Summary
This is the smaller of the two catalytic subunits. [More information is available at EcoCyc: G7306].
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Sequence:
NC_000913.3 (2610706..2611464)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene hydrogenase 4 component E Neighboring gene hydrogenase 4 component F Neighboring gene hydrogenase 4 catalytic subunit HyfG Neighboring gene hydrogenase 4 component H Neighboring gene putative hydrogenase 4 assembly protein Neighboring gene DNA-binding transcriptional activator HyfR Neighboring gene formate channel FocB

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

Gene Ontology Provided by EcoCyc

Function Evidence Code Pubs
enables 4 iron, 4 sulfur cluster binding IEA
Inferred from Electronic Annotation
more info
 
enables NADH dehydrogenase (ubiquinone) activity IEA
Inferred from Electronic Annotation
more info
 
enables iron-sulfur cluster binding IEA
Inferred from Electronic Annotation
more info
 
enables quinone binding IEA
Inferred from Electronic Annotation
more info
 
Process Evidence Code Pubs
involved_in anaerobic electron transport chain IBA
Inferred from Biological aspect of Ancestor
more info
 
involved_in formate oxidation IBA
Inferred from Biological aspect of Ancestor
more info
 
involved_in proton transmembrane transport IEA
Inferred from Electronic Annotation
more info
 
Component Evidence Code Pubs
part_of formate dehydrogenase complex IBA
Inferred from Biological aspect of Ancestor
more info
 
Preferred Names
hydrogenase 4 catalytic subunit HyfI

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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
    2610706..2611464
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_416984.1 hydrogenase 4 catalytic subunit HyfI

    See identical proteins and their annotated locations for NP_416984.1

    Status: REVIEWED

    UniProtKB/TrEMBL
    A0A6C9QC68, A0A8T5ZBK0
    Conserved Domains (1) summary
    COG3260
    Location:26173
    HycG; Ni,Fe-hydrogenase III small subunit [Energy production and conversion]