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Inhibition of the reactions brought about by dioxygen (O2) or peroxides. Usually the antioxidant is effective because it can itself be more easily oxidized than the substance protected. The term is often applied to components that can trap free radicals, thereby breaking the chain reaction that normally leads to extensive biological damage. Catalysis of the reaction: donor + H2O2 = oxidized donor + 2 H2O. Catalysis of an oxidation-reduction (redox) reaction in which hydrogen or electrons are transferred from each of two donors, and molecular oxygen is reduced or incorporated into a donor. Catalysis of the reaction: tryparedoxin + H2O2 = tryparedoxin disulfide + H2O. Catalysis of the reaction: 2 R'-SH + ROOH = R'-S-S-R' + H2O + ROH. Catalysis of an oxidation-reduction (redox) reaction in which the peroxide group acts as a hydrogen or electron acceptor.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: tryparedoxin peroxidase activity
Acc: GO:0033196
Aspect: Molecular Function
Desc: Catalysis of the reaction: tryparedoxin + H2O2 = tryparedoxin disulfide + H2O.
Synonyms:
  • TXNPx activity
Proteins in PDR annotated with:
   This term: 0
   Term or descendants: 0


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0033196 - tryparedoxin peroxidase activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle