Q09158 · NIFH_DESMC

Function

function

The key enzymatic reactions in nitrogen fixation are catalyzed by the nitrogenase complex, which has 2 components: the iron protein and the molybdenum-iron protein.

Catalytic activity

Cofactor

[4Fe-4S] cluster (UniProtKB | Rhea| CHEBI:49883 )

Note: Binds 1 [4Fe-4S] cluster per dimer.

Features

Showing features for binding site.

1108102030405060708090100
TypeIDPosition(s)Description
Binding site54[4Fe-4S] cluster (UniProtKB | ChEBI); ligand shared between dimeric partners
Binding site88[4Fe-4S] cluster (UniProtKB | ChEBI); ligand shared between dimeric partners

GO annotations

AspectTerm
Molecular Function4 iron, 4 sulfur cluster binding
Molecular FunctionATP binding
Molecular Functioncarbonyl sulfide nitrogenase activity
Molecular Functionmetal ion binding
Molecular Functionnitrogenase activity
Biological Processnitrogen fixation

Keywords

Enzyme and pathway databases

Names & Taxonomy

Protein names

  • Recommended name
    Nitrogenase iron protein
  • EC number
  • Alternative names
    • Nitrogenase Fe protein
    • Nitrogenase component II
    • Nitrogenase reductase

Gene names

    • Name
      nifH

Organism names

Accessions

  • Primary accession
    Q09158

PTM/Processing

Features

Showing features for chain.

TypeIDPosition(s)Description
ChainPRO_00001395151-108Nitrogenase iron protein

Interaction

Subunit

Homodimer.

Structure

Family & Domains

Sequence similarities

Belongs to the NifH/BchL/ChlL family.

Family and domain databases

Sequence

  • Sequence status
    Fragment
  • Length
    108
  • Mass (Da)
    11,550
  • Last updated
    1996-10-01 v1
  • Checksum
    F6DA6709F7CC1987
STRLMLHSKAQTSVLQLAAERGAVEDIELHEVMLTGFRDVRCVESGGPEPGVGCAGRGIITAINFLEENGAYTDVDFVSYDVLGDVVCGGFAMPIREGKAQEIYIVTS

Features

Showing features for non-terminal residue.

TypeIDPosition(s)Description
Non-terminal residue1
Non-terminal residue108

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
U04054
EMBL· GenBank· DDBJ
AAA21459.1
EMBL· GenBank· DDBJ
Genomic DNA

Similar Proteins

Disclaimer

Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. Our staff consists of biologists and biochemists that are not trained to give medical advice.
We'd like to inform you that we have updated our Privacy Notice to comply with Europe’s new General Data Protection Regulation (GDPR) that applies since 25 May 2018.
FeedbackHelp