H6SYQ6 · H6SYQ6_9POAL

  • Protein
    Cytochrome f
  • Gene
    petA
  • Status
    UniProtKB unreviewed (TrEMBL)
  • Amino acids
  • Protein existence
    Inferred from homology
  • Annotation score
    2/5

Function

function

Component of the cytochrome b6-f complex, which mediates electron transfer between photosystem II (PSII) and photosystem I (PSI), cyclic electron flow around PSI, and state transitions.

Cofactor

heme (UniProtKB | Rhea| CHEBI:30413 )

Note: Binds 1 heme group covalently.

Features

Showing features for binding site.

132050100150200250300
TypeIDPosition(s)Description
Binding site36Fe (UniProtKB | ChEBI) of heme (UniProtKB | ChEBI); axial binding residue
Binding site56heme (UniProtKB | ChEBI); covalent
Binding site59heme (UniProtKB | ChEBI); covalent
Binding site60Fe (UniProtKB | ChEBI) of heme (UniProtKB | ChEBI); axial binding residue

GO annotations

AspectTerm
Cellular Componentchloroplast thylakoid membrane
Molecular Functionelectron transfer activity
Molecular Functionheme binding
Molecular Functioniron ion binding
Biological Processphotosynthesis

Keywords

Names & Taxonomy

Protein names

  • Recommended name
    Cytochrome f

Gene names

    • Name
      petA

Encoded on

  • Plastid

Organism names

  • Taxonomic identifier
  • Organism
  • Taxonomic lineage
    Eukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > Liliopsida > Poales > Flagellariaceae > Flagellaria

Accessions

  • Primary accession
    H6SYQ6

Subcellular Location

Membrane
; Single-pass membrane protein
Plastid, chloroplast thylakoid membrane
; Single-pass membrane protein

Features

Showing features for transmembrane.

TypeIDPosition(s)Description
Transmembrane286-305Helical

Keywords

Interaction

Subunit

The 4 large subunits of the cytochrome b6-f complex are cytochrome b6, subunit IV (17 kDa polypeptide, PetD), cytochrome f and the Rieske protein, while the 4 small subunits are PetG, PetL, PetM and PetN. The complex functions as a dimer.

Family & Domains

Features

Showing features for domain.

TypeIDPosition(s)Description
Domain36-190Cytochrome f large

Sequence similarities

Belongs to the cytochrome f family.

Keywords

Family and domain databases

Sequence

  • Sequence status
    Fragment
  • Length
    320
  • Mass (Da)
    35,441
  • Last updated
    2012-04-18 v1
  • Checksum
    F08C34679A5651F8
MQNRNTFSWVKEQMTRSISVSIMMYVITRTSISNAYPIFAQQGYENPREATGRIVCANCHLANKPVDIEVPQAVLPDTVFEAVVRIPYDMQLKQVLANGKRGGLNVGAVLILPEGFELAPPDRISPELKEKIGNLSFQSYRPDKKNILVIGPLPGQKYSEIVFPILSPDPATKKDVHFLKYPIYVGGNRGRGQIYPDGSKSNNTVYNATSTGIVSKIVRKQKGGYEITIVDASDGRQVVDIIPPGPELLVSEGESIKLDQPLTSNPNIGGFGQGDAEIVLQDPLRIQGLLFFFASVILAQVFLVLKKKQFEKVQLYEMNF

Features

Showing features for non-terminal residue.

TypeIDPosition(s)Description
Non-terminal residue320

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
HQ181363
EMBL· GenBank· DDBJ
AFA28098.1
EMBL· GenBank· DDBJ
Genomic DNA

Similar Proteins

Disclaimer

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