| IED ID | IndEnz0018000519 |
| Enzyme Type ID | peroxidase000519 |
| Protein Name |
Catalase EC 1.11.1.6 |
| Gene Name | katA HP_0875 |
| Organism | Helicobacter pylori (strain ATCC 700392 / 26695) (Campylobacter pylori) |
| Taxonomic Lineage | cellular organisms Bacteria Proteobacteria delta/epsilon subdivisions Epsilonproteobacteria Campylobacterales Helicobacteraceae Helicobacter Helicobacter pylori (Campylobacter pylori) Helicobacter pylori (strain ATCC 700392 / 26695) (Campylobacter pylori) |
| Enzyme Sequence | MVNKDVKQTTAFGAPVWDDNNVITAGPRGPVLLQSTWFLEKLAAFDRERIPERVVHAKGSGAYGTFTVTKDITKYTKAKIFSKVGKKTECFFRFSTVAGERGSADAVRDPRGFAMKYYTEEGNWDLVGNNTPVFFIRDAIKFPDFIHTQKRDPQTNLPNHDMVWDFWSNVPESLYQVTWVMSDRGIPKSFRHMDGFGSHTFSLINAKGERFWVKFHFHTMQGVKHLTNEEAAEVRKYDPDSNQRDLFNAIARGDFPKWKLSIQVMPEEDAKKYRFHPFDVTKIWYLQDYPLMEVGIVELNKNPENYFAEVEQAAFSPANVVPGIGYSPDRMLQGRLFSYGDTHRYRLGVNYPQIPVNKPRCPFHSSSRDGYMQNGYYGSLQNYTPSSLPGYKEDKSARDPKFNLAHIEKEFEVWNWDYRADDSDYYTQPGDYYRSLPADEKERLHDTIGESLAHVTHKEIVDKQLEHFKKADPKYAEGVKKALEKHQKMMKDMHGKDMHHTKKKK |
| Enzyme Length | 505 |
| Uniprot Accession Number | P77872 |
| Absorption | |
| Active Site | ACT_SITE 56; /evidence=ECO:0000255|PROSITE-ProRule:PRU10013; ACT_SITE 129; /evidence=ECO:0000255|PROSITE-ProRule:PRU10013 |
| Activity Regulation | |
| Binding Site | |
| Calcium Binding | |
| catalytic Activity | CATALYTIC ACTIVITY: Reaction=2 H2O2 = 2 H2O + O2; Xref=Rhea:RHEA:20309, ChEBI:CHEBI:15377, ChEBI:CHEBI:15379, ChEBI:CHEBI:16240; EC=1.11.1.6; Evidence={ECO:0000255|PROSITE-ProRule:PRU10013}; |
| DNA Binding | |
| EC Number | 1.11.1.6 |
| Enzyme Function | FUNCTION: Decomposes hydrogen peroxide into water and oxygen; serves to protect cells from the toxic effects of hydrogen peroxide. |
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Active site (2); Beta strand (12); Chain (1); Helix (23); Metal binding (1); Sequence conflict (9); Turn (6) |
| Keywords | 3D-structure;Cytoplasm;Heme;Hydrogen peroxide;Iron;Metal-binding;Oxidoreductase;Peroxidase;Reference proteome |
| Interact With | O25542 |
| Induction | |
| Subcellular Location | SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}. |
| Modified Residue | |
| Post Translational Modification | |
| Signal Peptide | |
| Structure 3D | X-ray crystallography (4) |
| Cross Reference PDB | 1QWL; 1QWM; 2A9E; 2IQF; |
| Mapped Pubmed ID | 11196647; 15023060; 17358056; 24627523; |
| Motif | |
| Gene Encoded By | |
| Mass | 58,629 |
| Kinetics | |
| Metal Binding | METAL 339; /note=Iron (heme axial ligand); /evidence=ECO:0000250 |
| Rhea ID | RHEA:20309 |
| Cross Reference Brenda |