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Catalysis of the enolization of 2,3-diketo-5-methylthiopentyl-1-phosphate (DK-MTP-1-P) into 2-hydroxy 3-keto-5-methylthiopentenyl-1-phosphate (HK-MTPenyl-1-P). Catalysis of an oxidation-reduction (redox) reaction in which the hydrogen donor and acceptor are the same molecule, and no oxidized product appears. Catalysis of the reaction: TNP dihydride Meisenheimer complex (aci form) = TNP dihydride Meisenheimer complex (nitro form). Catalysis of an oxidation-reduction (redox) reaction in which the hydrogen donor and acceptor, which is a keto- or an enol-group, are the same molecule, and no oxidized product appears. Catalysis of the rearrangement of both intrachain and interchain disulfide bonds in proteins. Catalysis of the reaction: keto-phenylpyruvate = enol-phenylpyruvate. Catalysis of the reaction: 5-hydroxypyrrole-2-carboxylate = 5-oxo-4,5-dihydropyrrole-2-carboxylate. Catalysis of the geometric or structural changes within one molecule. Isomerase is the systematic name for any enzyme of EC class 5. Catalysis of the reaction: keto-oxaloacetate = enol-oxaloacetate.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: intramolecular oxidoreductase activity, interconverting keto- and enol-groups
Acc: GO:0016862
Aspect: Molecular Function
Desc: Catalysis of an oxidation-reduction (redox) reaction in which the hydrogen donor and acceptor, which is a keto- or an enol-group, are the same molecule, and no oxidized product appears.
Synonyms:
  • intramolecular isomerase activity, interconverting keto- and enol-groups
Proteins in PDR annotated with:
   This term: 10 [Search]
   Term or descendants: 93 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0016862 - intramolecular oxidoreductase activity, interconverting keto- and enol-groups (interactive image map)
YRC Informatics Platform - Version 3.0
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