A8W3D1 · CYF_CUSEX
- ProteinCytochrome f
- GenepetA
- StatusUniProtKB reviewed (Swiss-Prot)
- Organism
- Amino acids320 (go to sequence)
- Protein existenceInferred from homology
- Annotation score3/5
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
Note: Binds 1 heme group covalently.
Features
Showing features for binding site.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Binding site | 36 | Fe (UniProtKB | ChEBI) of heme (UniProtKB | ChEBI); axial binding residue | |||
Binding site | 56 | heme (UniProtKB | ChEBI); covalent | |||
Binding site | 59 | heme (UniProtKB | ChEBI); covalent | |||
Binding site | 60 | Fe (UniProtKB | ChEBI) of heme (UniProtKB | ChEBI); axial binding residue | |||
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | chloroplast | |
Cellular Component | plastid thylakoid membrane | |
Molecular Function | electron transfer activity | |
Molecular Function | heme binding | |
Molecular Function | iron ion binding | |
Biological Process | photosynthesis |
Keywords
- Biological process
- Ligand
Names & Taxonomy
Protein names
- Recommended nameCytochrome f
Gene names
Encoded on
- Plastid
Organism names
- Organism
- Taxonomic lineageEukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > eudicotyledons > Gunneridae > Pentapetalae > asterids > lamiids > Solanales > Convolvulaceae > Cuscuteae > Cuscuta > Cuscuta subgen. Monogynella
Accessions
- Primary accessionA8W3D1
Subcellular Location
UniProt Annotation
GO Annotation
Plastid thylakoid membrane ; Single-pass membrane protein
Features
Showing features for transmembrane.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Transmembrane | 286-306 | Helical | |||
Keywords
- Cellular component
PTM/Processing
Features
Showing features for signal, chain.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Signal | 1-35 | ||||
Chain | PRO_0000342057 | 36-320 | Cytochrome 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
Sequence
- Sequence statusComplete
- Sequence processingThe displayed sequence is further processed into a mature form.
- Length320
- Mass (Da)35,257
- Last updated2008-01-15 v1
- Checksum53B105DD64116F64
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
EU189132 EMBL· GenBank· DDBJ | ABW83702.1 EMBL· GenBank· DDBJ | Genomic DNA |