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From Wikipedia, the free encyclopedia
Superoxide reductase is an enzyme that catalyzes the conversion of highly reactive and toxic superoxide (O2−) into less toxic hydrogen peroxide (H2O2):
superoxide reductase | |||||||||
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Identifiers | |||||||||
EC no. | 1.15.1.2 | ||||||||
CAS no. | 250679-67-5 | ||||||||
Databases | |||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB structures | RCSB PDB PDBe PDBsum | ||||||||
Gene Ontology | AmiGO / QuickGO | ||||||||
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Hydrogen peroxide in turn is reduced to water by rubrerythrin. The 3 substrates of this enzyme are reduced rubredoxin, superoxide, and H+, whereas its two products are rubredoxin and H2O2.
This enzyme belongs to the family of oxidoreductases, specifically those acting on superoxide as acceptor (only sub-subclass identified to date). The systematic name of this enzyme class is rubredoxin:superoxide oxidoreductase. Other names in common use include neelaredoxin, and desulfoferrodoxin.
As of late 2007[update], 9 structures have been solved for this class of enzymes, with PDB accession codes 1VZG, 1VZH, 1VZI, 1Y07, 2AMU, 2HVB, 2JI1, 2JI2, and 2JI3.
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