| IED ID | IndEnz0018001112 |
| Enzyme Type ID | peroxidase001112 |
| Protein Name |
Catalase EC 1.11.1.6 |
| Gene Name | katA |
| Organism | Proteus mirabilis |
| Taxonomic Lineage | cellular organisms Bacteria Proteobacteria Gammaproteobacteria Enterobacterales Morganellaceae Proteus Proteus mirabilis |
| Enzyme Sequence | MEKKKLTTAAGAPVVDNNNVITAGPRGPMLLQDVWFLEKLAHFDREVIPERRMHAKGSGAFGTFTVTHDITKYTRAKIFSEVGKKTEMFARFSTVAGERGAADAERDIRGFALKFYTEEGNWDMVGNNTPVFYLRDPLKFPDLNHIVKRDPRTNMRNMAYKWDFFSHLPESLHQLTIDMSDRGLPLSYRFVHGFGSHTYSFINKDNERFWVKFHFRCQQGIKNLMDDEAEALVGKDRESSQRDLFEAIERGDYPRWKLQIQIMPEKEASTVPYNPFDLTKVWPHADYPLMDVGYFELNRNPDNYFSDVEQAAFSPANIVPGISFSPDKMLQGRLFSYGDAHRYRLGVNHHQIPVNAPKCPFHNYHRDGAMRVDGNSGNGITYEPNSGGVFQEQPDFKEPPLSIEGAADHWNHREDEDYFSQPRALYELLSDDEHQRMFARIAGELSQASKETQQRQIDLFTKVHPEYGAGVEKAIKVLEGKDAK |
| Enzyme Length | 484 |
| Uniprot Accession Number | P42321 |
| Absorption | |
| Active Site | ACT_SITE 54; ACT_SITE 127 |
| 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 (18); Chain (1); Helix (21); Metal binding (1); Modified residue (1); Turn (5) |
| Keywords | 3D-structure;Cytoplasm;Direct protein sequencing;Heme;Hydrogen peroxide;Iron;Metal-binding;NADP;Oxidation;Oxidoreductase;Peroxidase |
| Interact With | |
| Induction | |
| Subcellular Location | SUBCELLULAR LOCATION: Cytoplasm. |
| Modified Residue | MOD_RES 53; /note=Methionine sulfone; /evidence=ECO:0000269|PubMed:7786407 |
| Post Translational Modification | |
| Signal Peptide | |
| Structure 3D | X-ray crystallography (9) |
| Cross Reference PDB | 1E93; 1H6N; 1H7K; 1M85; 1MQF; 1NM0; 2CAG; 2CAH; 3HB6; |
| Mapped Pubmed ID | 11695923; 14646074; 19394409; 1942042; |
| Motif | |
| Gene Encoded By | |
| Mass | 55,614 |
| Kinetics | |
| Metal Binding | METAL 337; /note=Iron (heme axial ligand); /evidence=ECO:0000269|PubMed:7791219 |
| Rhea ID | RHEA:20309 |
| Cross Reference Brenda | 1.11.1.6; |