Q9HVY5 · Q9HVY5_PSEAE
- ProteinCytochrome b
- StatusUniProtKB unreviewed (TrEMBL)
- Amino acids403 (go to sequence)
- Protein existenceEvidence at protein level
- Annotation score2/5
Function
function
Component of the ubiquinol-cytochrome c reductase complex (complex III or cytochrome b-c1 complex), which is a respiratory chain that generates an electrochemical potential coupled to ATP synthesis.
Cofactor
Protein has several cofactor binding sites:
Note: Binds 2 heme groups non-covalently.
Note: Binds 2 heme groups non-covalently.
Features
Showing features for binding site.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Binding site | 87 | Fe (UniProtKB | ChEBI) of heme b b562 (UniProtKB | ChEBI); axial binding residue | |||
Binding site | 101 | Fe (UniProtKB | ChEBI) of heme b b566 (UniProtKB | ChEBI); axial binding residue | |||
Binding site | 188 | Fe (UniProtKB | ChEBI) of heme b b562 (UniProtKB | ChEBI); axial binding residue | |||
Binding site | 203 | Fe (UniProtKB | ChEBI) of heme b b566 (UniProtKB | ChEBI); axial binding residue | |||
Binding site | 208 | a ubiquinone (UniProtKB | ChEBI) | |||
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | membrane | |
Cellular Component | plasma membrane | |
Cellular Component | respiratory chain complex III | |
Molecular Function | metal ion binding | |
Molecular Function | ubiquinol-cytochrome-c reductase activity | |
Biological Process | respiratory electron transport chain |
Keywords
- Biological process
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameCytochrome b
Gene names
Organism names
- Strain
- Taxonomic lineageBacteria > Pseudomonadota > Gammaproteobacteria > Pseudomonadales > Pseudomonadaceae > Pseudomonas
Accessions
- Primary accessionQ9HVY5
Proteomes
Organism-specific databases
Subcellular Location
UniProt Annotation
GO Annotation
Membrane ; Multi-pass membrane protein
Features
Showing features for transmembrane.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Transmembrane | 33-55 | Helical | |||
Transmembrane | 82-105 | Helical | |||
Transmembrane | 117-138 | Helical | |||
Transmembrane | 144-163 | Helical | |||
Transmembrane | 184-206 | Helical | |||
Transmembrane | 245-262 | Helical | |||
Transmembrane | 306-326 | Helical | |||
Transmembrane | 338-358 | Helical | |||
Transmembrane | 370-388 | Helical | |||
Keywords
- Cellular component
Phenotypes & Variants
Miscellaneous
PTM/Processing
Proteomic databases
Interaction
Subunit
The main subunits of complex b-c1 are: cytochrome b, cytochrome c1 and the Rieske protein.
Protein-protein interaction databases
Structure
Family & Domains
Features
Showing features for domain.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Domain | 4-216 | Cytochrome b/b6 N-terminal region profile | |||
Domain | 226-399 | Cytochrome b/b6 C-terminal region profile | |||
Sequence similarities
Belongs to the cytochrome b family.
Keywords
- Domain
Phylogenomic databases
Family and domain databases
Sequence
- Sequence statusComplete
- Length403
- Mass (Da)46,073
- Last updated2001-03-01 v1
- MD5 Checksum58E0E807954272DA9903AFE6D817E2AC
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
AE004091 EMBL· GenBank· DDBJ | AAG07818.1 EMBL· GenBank· DDBJ | Genomic DNA |