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

all annotationsall molecular functionnucleotide bindingmolecular_functionnucleic acid bindingdna bindingchromatin bindingdna-binding transcription factor activityrna bindingcytoskeletal motor activitycatalytic activitynuclease activitysignaling receptor bindingstructural molecule activitytransporter activitybindingprotein bindingtranslation factor activity, rna bindinglipid bindingkinase activitytransferase activityhydrolase activityoxygen bindingenzyme regulator activitycarbohydrate bindingsignaling receptor activitytranslation regulator activitytranscription regulator activityother molecular functionall biological processcarbohydrate metabolic processgeneration of precursor metabolites and energynucleobase-containing compound metabolic processdna metabolic processtranslationlipid metabolic processtransportresponse to stresscell cyclecell communicationsignal transductioncell-cell signalingmulticellular organism developmentcircadian rhythmbiological_processmetabolic processcatabolic processbiosynthetic processresponse to light stimulusresponse to external stimulustropismresponse to biotic stimulusresponse to abiotic stimulusresponse to endogenous stimulusembryo developmentpost-embryonic developmentfruit ripeningabscissionpollinationflower developmentcellular processprogrammed cell deathphotosynthesiscellular component organizationcell growthprotein metabolic processcellular homeostasissecondary metabolic processreproductive processcell differentiationprotein modification processgrowthepigenetic regulation of gene expressionresponse to chemicalanatomical structure developmentregulation of molecular functionother biological processall cellular componentcellular_componentextracellular regioncell wallintracellular anatomical structurenucleusnuclear envelopenucleoplasmnucleoluscytoplasmmitochondrionlysosomeendosomevacuoleperoxisomeendoplasmic reticulumgolgi apparatuscytosolribosomecytoskeletonplasma membranechloroplastplastidthylakoidmembraneexternal encapsulating structureother cellular component
Cell color indicative of number of GO terms
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

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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