UniProt functional annotation for P21179

UniProt code: P21179.

Organism: Escherichia coli (strain K12).
Taxonomy: Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacteriales; Enterobacteriaceae; Escherichia.
 
Function: Decomposes hydrogen peroxide into water and oxygen; serves to protect cells from the toxic effects of hydrogen peroxide.
 
Catalytic activity: 2 H(2)O(2) = O(2) + 2 H(2)O. {ECO:0000255|PROSITE-ProRule:PRU10013}.
Cofactor: Name=heme; Xref=ChEBI:CHEBI:30413;
Subunit: Homotetramer.
Subcellular location: Cytoplasm {ECO:0000305}.
Induction: By entry into stationary phase.
Similarity: Belongs to the catalase family. HPII subfamily. {ECO:0000305}.

Annotations taken from UniProtKB at the EBI.