IED ID | IndEnz0018000921 |
Enzyme Type ID | peroxidase000921 |
Protein Name |
Catalase EC 1.11.1.6 |
Gene Name | katA PA4236 |
Organism | Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) |
Taxonomic Lineage | cellular organisms Bacteria Proteobacteria Gammaproteobacteria Pseudomonadales Pseudomonadaceae Pseudomonas Pseudomonas aeruginosa group Pseudomonas aeruginosa Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) |
Enzyme Sequence | MEEKTRLTTAAGAPVVDNQNVQTAGPRGPMLLQDVWFLEKLAHFDREVIPERRMHAKGSAAYGTFTVTHDITPYTRAKIFSQVGKKTDMFLRFSTVAGERGAADAERDIRGFSMRFYTEQGNWDLVGNNTPVFYLRDPLKFPDLNHVVKRDPRTNLRNATFKWDFFSHLPESLHQLTIDFSDRGLPKSYRHIHGFGSHTFSFINANNERFWVKFHFKTQQGIENLTNAEAAEVIAQDRESSQRDLYESIEKGDFPRWKMYVQIMPEKEAATYRYNPFDLTKVWPHGDYPLIEVGFFELNRNPDNYFAEVEQAAFTPANVVPGIGFSPDKMLQGRLFSYGDAHRYRLGVNHHQIPVNAARCPHQVYHRDGGMRVDGNNAHQRVTYEPNSFNQWQEQPDFSEPPLSLEGAADHWNHRVDDDYYSQPAALFHLFTDEQKQRLFANIAEDIRDVPEQIQRRQIGLFLKVDPAYGKGVADALGLKLD |
Enzyme Length | 482 |
Uniprot Accession Number | O52762 |
Absorption | |
Active Site | ACT_SITE 55; /evidence=ECO:0000255|PROSITE-ProRule:PRU10013; ACT_SITE 128; /evidence=ECO:0000255|PROSITE-ProRule:PRU10013 |
Activity Regulation | ACTIVITY REGULATION: By peroxide and bfr-bound iron. |
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 (22); Metal binding (1); Turn (4) |
Keywords | 3D-structure;Direct protein sequencing;Heme;Hydrogen peroxide;Iron;Metal-binding;Oxidoreductase;Peroxidase;Reference proteome |
Interact With | |
Induction | |
Subcellular Location | |
Modified Residue | |
Post Translational Modification | |
Signal Peptide | |
Structure 3D | X-ray crystallography (1) |
Cross Reference PDB | 4E37; |
Mapped Pubmed ID | - |
Motif | |
Gene Encoded By | |
Mass | 55,589 |
Kinetics | |
Metal Binding | METAL 338; /note=Iron (heme axial ligand); /evidence=ECO:0000250 |
Rhea ID | RHEA:20309 |
Cross Reference Brenda |