Q7YJT0 · NDHI_CALFG

Function

function

NDH shuttles electrons from NAD(P)H:plastoquinone, via FMN and iron-sulfur (Fe-S) centers, to quinones in the photosynthetic chain and possibly in a chloroplast respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be plastoquinone. Couples the redox reaction to proton translocation, and thus conserves the redox energy in a proton gradient.

Catalytic activity

Cofactor

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

Note: Binds 2 [4Fe-4S] clusters per subunit.

Features

Showing features for binding site.

TypeIDPosition(s)Description
Binding site64[4Fe-4S] cluster 1 (UniProtKB | ChEBI)
Binding site67[4Fe-4S] cluster 1 (UniProtKB | ChEBI)
Binding site70[4Fe-4S] cluster 1 (UniProtKB | ChEBI)
Binding site74[4Fe-4S] cluster 2 (UniProtKB | ChEBI)
Binding site104[4Fe-4S] cluster 2 (UniProtKB | ChEBI)
Binding site107[4Fe-4S] cluster 2 (UniProtKB | ChEBI)
Binding site110[4Fe-4S] cluster 2 (UniProtKB | ChEBI)
Binding site114[4Fe-4S] cluster 1 (UniProtKB | ChEBI)

GO annotations

AspectTerm
Cellular Componentchloroplast thylakoid membrane
Molecular Function4 iron, 4 sulfur cluster binding
Molecular Functioniron ion binding
Molecular FunctionNADH dehydrogenase (ubiquinone) activity
Molecular Functionquinone binding
Biological Processphotosynthesis, light reaction

Keywords

Enzyme and pathway databases

Names & Taxonomy

Protein names

  • Recommended name
    NAD(P)H-quinone oxidoreductase subunit I, chloroplastic
  • EC number
  • Alternative names
    • NAD(P)H dehydrogenase subunit I
      (NDH subunit I
      )
    • NADH-plastoquinone oxidoreductase subunit I

Gene names

    • Name
      ndhI

Encoded on

  • Chloroplast

Organism names

Accessions

  • Primary accession
    Q7YJT0

Subcellular Location

Keywords

PTM/Processing

Features

Showing features for chain.

TypeIDPosition(s)Description
ChainPRO_00002456541-180NAD(P)H-quinone oxidoreductase subunit I, chloroplastic

Keywords

Interaction

Subunit

NDH is composed of at least 16 different subunits, 5 of which are encoded in the nucleus.

Structure

Family & Domains

Features

Showing features for domain.

TypeIDPosition(s)Description
Domain55-844Fe-4S ferredoxin-type 1
Domain95-1244Fe-4S ferredoxin-type 2

Sequence similarities

Belongs to the complex I 23 kDa subunit family.

Keywords

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    180
  • Mass (Da)
    21,005
  • Last updated
    2003-10-01 v1
  • Checksum
    D661A9FCC6BE44A5
MFPMVTGFMNYGQQTVRAARYIGQSFMITLSHANRLPVTIQYPYEKSITSERFRGRIHFEFDKCIACEVCVRVCPIDLPVVHWRLETDIRKKRLLNYSIDFGICIFCGNCVEYCPTNCLSMTEEYELSAYNRHELNYNQIALGRLPMSVIEDYTIRTTRNSTQIKIAMDKPLNARTVTNF

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
AJ428413
EMBL· GenBank· DDBJ
CAD28776.1
EMBL· GenBank· DDBJ
Genomic DNA

Genome annotation databases

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.
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