Detail Information for IndEnz0018000921
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