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Catalysis of the reaction: arsenate + reduced glutaredoxin = arsenite + oxidized glutaredoxin. Glutaredoxin functions as the electron donor for arsenate reduction. The electron flow therefore is ( NADPH -> glutathione reductase (EC:1.6.4.2) -> ) glutathione -> glutaredoxin -> arsenate reductase, i.e. glutathione is reduced by glutathione reductase and glutaredoxin is reduced by glutathione. Catalysis of the reaction: arsenate + thioredoxin = arsenite + thioredoxin disulfide. Thioredoxin functions as the electron donor for arsenate reduction. The electron flow therefore is NADPH -> thioredoxin reductase -> thioredoxin -> arsenate reductase. Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced. Catalysis of the interconversion of arsenate and arsenite. Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: arsenate reductase activity
Acc: GO:0030611
Aspect: Molecular Function
Desc: Catalysis of the interconversion of arsenate and arsenite.
Proteins in PDR annotated with:
   This term: 2 [Search]
   Term or descendants: 32 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0030611 - arsenate reductase activity (interactive image map)
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