B3E099 · KATG_METI4
- ProteinCatalase-peroxidase
- GenekatG
- StatusUniProtKB reviewed (Swiss-Prot)
- Amino acids726 (go to sequence)
- Protein existenceInferred from homology
- Annotation score3/5
Function
function
Bifunctional enzyme with both catalase and broad-spectrum peroxidase activity.
Catalytic activity
- AH2 + H2O2 = A + 2 H2O
Cofactor
Note: Binds 1 heme b (iron(II)-protoporphyrin IX) group per dimer.
Features
Showing features for site, active site, binding site.
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
- Strain
- Taxonomic lineageBacteria > Verrucomicrobiota > Methylacidiphilae > Methylacidiphilales > Methylacidiphilaceae > Methylacidiphilum (ex Ratnadevi et al. 2023)
Accessions
- Primary accessionB3E099
Proteomes
Subcellular Location
UniProt Annotation
GO Annotation
PTM/Processing
Features
Showing features for chain, cross-link.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Chain | PRO_0000354831 | 1-726 | Catalase-peroxidase | |||
Sequence: MTTEGSCPFHHTAAIGGLKTNEEWWPNRLNLKILRQNSPLSNPMGAGFNYAKEFCSLDLSALKEDLRRLMTDSQQWWPADFGHYGPLFIRMAWHSAGTYRVHDGRGGAGSGQQRFAPLNSWPDNVLLDKARRLLWPIKQKYGRKISWADLIILAGNVALESMGLKTFGFGGGRVDSWEPDESVYWGVEQKWLEDKRYSGKRDLEQPLAAVQMGLIYVNPEGPNGNPDPVAAAVDIRETFTRMGMNDAETVALIAGGHTFGKAHGAGPASFVGPEPEAAGIAEQGLGWRSSYRSGKGADAIGSGLEVIWTRTPTRWNNDYFQFLFEYEWEPTKSPAGAWQWVAKDAPEIVPDPFDPAKKRKPTMLTTDLSLRFDPVYEKIARAYYEQPDLFADAFARAWFKLTHRDMGPRSRYLGPEVPKEDLLWQDPIPPVDHPLIETDDMNSLKAKILESGLTVRELVFTAWSSASTFRGSDKRGGANGARIRLSPQKDWPANEPTQLARVLAVLEQIQKEFNARSPKKVSMADLIVLGGCAGVEQAARNGGRSVVVPFIPGRSDALEEQTDVESFAFLEPWADGFRNFYKKGCSVPQEALLVDKAQLLTLTAPEMTVLVGGMRVLDANVGRSRHGVFTDRPGALTNDFFVNLLDMDTEWKPVDEREELFEGRDRKTGTLLWTATRVDLIFGSNSELRAISEVYGAADAQDKFVKDFISAWNKVMNLDRFDLAPA | ||||||
Cross-link | 93↔216 | Tryptophyl-tyrosyl-methioninium (Trp-Tyr) (with M-242) | ||||
Sequence: WHSAGTYRVHDGRGGAGSGQQRFAPLNSWPDNVLLDKARRLLWPIKQKYGRKISWADLIILAGNVALESMGLKTFGFGGGRVDSWEPDESVYWGVEQKWLEDKRYSGKRDLEQPLAAVQMGLIY | ||||||
Cross-link | 216↔242 | Tryptophyl-tyrosyl-methioninium (Tyr-Met) (with W-93) | ||||
Sequence: YVNPEGPNGNPDPVAAAVDIRETFTRM |
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
Structure
Family & Domains
Features
Showing features for region.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Region | 471-490 | Disordered | ||||
Sequence: GSDKRGGANGARIRLSPQKD |
Sequence similarities
Belongs to the peroxidase family. Peroxidase/catalase subfamily.
Phylogenomic databases
Family and domain databases
Sequence
- Sequence statusComplete
- Length726
- Mass (Da)80,954
- Last updated2008-07-22 v1
- Checksum5DDBE77260C22A3B
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
CP000975 EMBL· GenBank· DDBJ | ACD84328.1 EMBL· GenBank· DDBJ | Genomic DNA |