A0AAC9P8X6 · A0AAC9P8X6_9PROT
- ProteinCatalase-peroxidase
- GenekatG
- StatusUniProtKB unreviewed (TrEMBL)
- Organism
- Amino acids741 (go to sequence)
- Protein existenceInferred from homology
- Annotation score3/5
Function
function
Bifunctional enzyme with both catalase and broad-spectrum peroxidase activity.
Catalytic activity
- 2 H2O2 = O2 + 2 H2O
Cofactor
Note: Binds 1 heme b (iron(II)-protoporphyrin IX) group per dimer.
Features
Showing features for site, active site, binding site.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Site | 103 | Transition state stabilizer | |||
Active site | 107 | Proton acceptor | |||
Binding site | 268 | Fe (UniProtKB | ChEBI) of heme b (UniProtKB | ChEBI); axial binding residue | |||
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | cytosol | |
Molecular Function | catalase activity | |
Molecular Function | heme binding | |
Molecular Function | metal ion binding | |
Biological Process | cellular response to hydrogen peroxide | |
Biological Process | hydrogen peroxide catabolic process |
Keywords
- Molecular function
- Biological process
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameCatalase-peroxidase
- EC number
- Short namesCP
- Alternative names
Gene names
Organism names
- Organism
- Strain
- Taxonomic lineageBacteria > Pseudomonadota > Alphaproteobacteria > Rhodospirillales > Acetobacteraceae > Granulibacter
Accessions
- Primary accessionA0AAC9P8X6
Proteomes
Subcellular Location
UniProt Annotation
GO Annotation
PTM/Processing
Features
Showing features for signal, chain, cross-link.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Signal | 1-25 | ||||
Chain | PRO_5041754935 | 26-741 | Catalase-peroxidase | ||
Cross-link | 106↔227 | Tryptophyl-tyrosyl-methioninium (Trp-Tyr) (with Met-253) | |||
Cross-link | 227↔253 | Tryptophyl-tyrosyl-methioninium (Tyr-Met) (with Trp-106) | |||
Post-translational modification
Formation of the three residue Trp-Tyr-Met cross-link is important for the catalase, but not the peroxidase activity of the enzyme.
Interaction
Subunit
Homodimer or homotetramer.
Structure
Family & Domains
Features
Showing features for domain.
Type | ID | Position(s) | Description | ||
---|---|---|---|---|---|
Domain | 140-415 | Plant heme peroxidase family profile | |||
Sequence similarities
Belongs to the peroxidase family. Peroxidase/catalase subfamily.
Keywords
- Domain
Family and domain databases
Sequence
- Sequence statusComplete
- Sequence processingThe displayed sequence is further processed into a mature form.
- Length741
- Mass (Da)81,025
- Last updated2024-05-29 v1
- ChecksumA777B18097D138E6
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
CP018191 EMBL· GenBank· DDBJ | APH54977.1 EMBL· GenBank· DDBJ | Genomic DNA |