A2SIK0 · A2SIK0_METPP
- ProteinSoxAX cytochrome complex subunit A
- StatusUniProtKB unreviewed (TrEMBL)
- Amino acids269 (go to sequence)
- Protein existenceInferred from homology
- Annotation score3/5
Function
Catalytic activity
- 2 Fe(III)-[cytochrome c] + L-cysteinyl-[SoxY protein] + thiosulfate = 2 Fe(II)-[cytochrome c] + 2 H+ + S-sulfosulfanyl-L-cysteinyl-[SoxY protein]
Cofactor
Note: Binds 2 heme groups per subunit.
Features
Showing features for binding site, active site.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Binding site | 70 | heme c 1 (UniProtKB | ChEBI); covalent | ||||
Sequence: C | ||||||
Binding site | 106 | Fe (UniProtKB | ChEBI) of heme c 1 (UniProtKB | ChEBI); axial binding residue | ||||
Sequence: C | ||||||
Binding site | 178 | heme c 2 (UniProtKB | ChEBI); covalent | ||||
Sequence: C | ||||||
Binding site | 181 | heme c 2 (UniProtKB | ChEBI); covalent | ||||
Sequence: C | ||||||
Binding site | 182 | Fe (UniProtKB | ChEBI) of heme c 2 (UniProtKB | ChEBI); axial binding residue | ||||
Sequence: H | ||||||
Binding site | 226 | substrate | ||||
Sequence: R | ||||||
Active site | 230 | Cysteine persulfide intermediate | ||||
Sequence: C | ||||||
Binding site | 230 | Fe (UniProtKB | ChEBI) of heme c 2 (UniProtKB | ChEBI); axial binding residue | ||||
Sequence: C |
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | cytochrome complex | |
Cellular Component | periplasmic space | |
Molecular Function | electron transfer activity | |
Molecular Function | heme binding | |
Molecular Function | metal ion binding | |
Molecular Function | oxidoreductase activity, acting on a sulfur group of donors, cytochrome as acceptor | |
Molecular Function | transferase activity | |
Biological Process | sulfur oxidation |
Keywords
- Molecular function
- Biological process
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameSoxAX cytochrome complex subunit A
- EC number
- Alternative names
Gene names
Organism names
- Strain
- Taxonomic lineageBacteria > Pseudomonadota > Betaproteobacteria > Burkholderiales > Sphaerotilaceae > Methylibium
Accessions
- Primary accessionA2SIK0
Proteomes
Subcellular Location
PTM/Processing
Features
Showing features for signal, chain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Signal | 1-23 | |||||
Sequence: MKAWNKRALLGAAALVVSGTAWS | ||||||
Chain | PRO_5002645512 | 24-269 | SoxAX cytochrome complex subunit A | |||
Sequence: QAKSTADGIAEYRKMLEDGNPADLFEAKGENLWKQKRGPKNASLEQCDLGKGPGVVQGAWVELPRWFADTGRVQDLESRLLTCMETLQGLNAAEIAKTPFGRGEQANMEALAAYVSAASRGLRMNLPQTHREEKVMYELGKRAFFFRGGPMDFSCASCHGEAGKRIRLQDLPVLTRNPGDGVGFAAWPAYRVSSGELWSMQRRLNDCYRQQRFPFPGFASDVTIALGVFMGVNAKGAESIAPSIKR |
Interaction
Structure
Family & Domains
Features
Showing features for domain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Domain | 51-147 | Cytochrome c | ||||
Sequence: KGENLWKQKRGPKNASLEQCDLGKGPGVVQGAWVELPRWFADTGRVQDLESRLLTCMETLQGLNAAEIAKTPFGRGEQANMEALAAYVSAASRGLRM |
Sequence similarities
Belongs to the SoxA family.
Keywords
- Domain
Phylogenomic databases
Family and domain databases
Sequence
- Sequence statusComplete
- Length269
- Mass (Da)29,492
- Last updated2007-03-06 v1
- Checksum8675ADCCE3C52ACC
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
CP000555 EMBL· GenBank· DDBJ | ABM95389.1 EMBL· GenBank· DDBJ | Genomic DNA |