A6MVY3 · CYF_RHDSA

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.

131850100150200250300
TypeIDPosition(s)Description
Binding site35Fe (UniProtKB | ChEBI) of heme (UniProtKB | ChEBI); axial binding residue
Binding site55heme (UniProtKB | ChEBI); covalent
Binding site58heme (UniProtKB | ChEBI); covalent
Binding site59Fe (UniProtKB | ChEBI) of heme (UniProtKB | ChEBI); axial binding residue

GO annotations

all annotationsall molecular functionvirus receptor activitydna bindingrna bindingcytoskeletal motor activitycatalytic activitygtpase activitystructural molecule activitytransporter activitycytoskeletal protein bindinglipid bindingcyclase activityantioxidant activityoxidoreductase activitytransferase activityhydrolase activitylyase activityisomerase activityligase activityprotein tag activitycargo receptor activityhistone bindingprotein folding chaperonetranslation regulator activitynutrient reservoir activityreceptor ligand activitymolecular transducer activitymolecular adaptor activitytoxin activitycell adhesion mediator activitymolecular function regulator activityvirus coreceptor activitycatalytic activity, acting on a proteincatalytic activity, acting on dnacatalytic activity, acting on rnamolecular carrier activitytranscription regulator activitygeneral transcription initiation factor activitymolecular sensor activitymolecular sequestering activityatp-dependent activityother molecular functionall biological processmitotic cell cyclecytokinesiscytoplasmic translationimmune system processmuscle system processcirculatory system processrenal system processrespiratory system processcarbohydrate metabolic processgeneration of precursor metabolites and energydna replicationdna repairdna recombinationchromatin organizationdna-templated transcriptionregulation of dna-templated transcriptiontrna metabolic processprotein foldingprotein glycosylationamino acid metabolic processmodified amino acid metabolic processlipid metabolic processvitamin metabolic processsulfur compound metabolic processintracellular protein transportnucleocytoplasmic transportautophagyinflammatory responsemitochondrion organizationcytoskeleton organizationmicrotubule-based movementperoxisome organizationlysosome organizationchromosome segregationcell adhesionestablishment or maintenance of cell polarityprogrammed cell deathphotosynthesismrna metabolic processsnrna metabolic processvesicle-mediated transportreproductive processdigestive system processsignalingcell differentiationprotein catabolic processextracellular matrix organizationregulatory ncrna-mediated gene silencingtelomere organizationcell junction organizationwound healingribosome biogenesiscilium organizationanatomical structure developmentcell motilitynervous system processendocrine processprotein maturationtransmembrane transportnucleobase-containing small molecule metabolic processhepaticobiliary system processmembrane organizationprotein-containing complex assemblycell wall organization or biogenesisnitrogen cycle metabolic processprotein localization to plasma membranedefense response to other organismdetoxificationmeiotic nuclear divisionmitotic nuclear divisionmitochondrial gene expressioncarbohydrate derivative metabolic processother biological processall cellular componentnuclear chromosomeextracellular regionextracellular spacecell wallnucleusnuclear envelopenucleoplasmchromosomenucleolusmitochondrionlysosomeendosomevacuoleperoxisomeendoplasmic reticulumgolgi apparatuslipid dropletmicrotubule organizing centercytosolribosomecytoskeletonplasma membraneciliumplastidthylakoidexternal encapsulating structureextracellular matrixcytoplasmic vesicleorganelleother 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

  • Chloroplast

Organism names

Accessions

  • Primary accession
    A6MVY3

Subcellular Location

Plastid, chloroplast thylakoid membrane
; Single-pass membrane protein

Features

Showing features for transmembrane.

TypeIDPosition(s)Description
Transmembrane284-304Helical

Keywords

PTM/Processing

Features

Showing features for signal, chain.

TypeIDPosition(s)Description
Signal1-34
ChainPRO_000034208335-318Cytochrome f

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 (By similarity).

Structure

Family & Domains

Sequence similarities

Belongs to the cytochrome f family.

Keywords

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Sequence processing
    The displayed sequence is further processed into a mature form.
  • Length
    318
  • Mass (Da)
    34,348
  • Last updated
    2007-07-24 v1
  • Checksum
    9A74E62DAAC57513
MKNNYLANLIKTLQAIVVSVALLAPLVLPSAVNAFPVYAQQAYENPREATGRIVCANCHLAQKPVEIEVPQGVLPDTVFEAKVEIPYDLSVKQVTGDGTKGPLNVGAVLILPEGFTLAPKDRLTPEMKEKTKGVVISPYSDSKKSIFVVGPIPGAEHQTIIFPILAPNPADNKNVHFIKYPVFVGANRGRGQVNPTGDKSNNTLYSSPVEGRLTKIEKTEKGGYILTIQSKSGDPLTINVPVGPELVVKEGQKVTADQALTVDPNVGGFGQTETEIVLQSPARVKGLIAFFFTVILAQILLVLKKKQFEKVQLAEMNF

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
EF508371
EMBL· GenBank· DDBJ
ABO70754.1
EMBL· GenBank· DDBJ
Genomic DNA

Genome annotation databases

Similar Proteins

Disclaimer

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