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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: a 3-oxo-delta(5)-steroid = a 3-oxo-delta(4)-steroid. Catalysis of the reaction which results in unsaturation at C-7 in the B ring of sterols. Catalysis of an oxidation-reduction (redox) reaction in which the hydrogen donor and acceptor are the same molecule, one or more carbon-carbon double bonds in the molecule are rearranged, and no oxidized product appears. Catalysis of the reaction: 3-sulfomuconate = 4-sulfolactone. Catalysis of the reaction: 5-alpha-cholest-7-en-3-beta-ol = 5-alpha-cholest-8-en-3-beta-ol. Catalysis of the isomerization of isopentenyl diphosphate into dimethylallyl diphosphate. Catalysis of the reaction: 5-carboxymethyl-2-hydroxymuconate = 5-carboxy-2-oxohept-3-enedioate. Catalysis of the reaction: 1,5-anhydro-4-deoxy-D-glycero-hex-3-en-2-ulose = 1,5-anhydro-4-deoxy-D-glycero-hex-1-en-3-ulose. Catalysis of the reaction: trans-aconitate = cis-aconitate. Catalysis of the reaction: L-dopachrome = 5,6-dihydroxyindole-2-carboxylate. Catalysis of the isomerization of trans-2-decenoyl-ACP to cis-3-decenoyl-ACP. Catalysis of the reaction: (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate = (5Z,7E,8E,14Z,17Z)-eicosapentaenoate. Catalysis of the reaction: isopiperitenone = piperitenone. Catalysis of the reaction: 3-cis-dodecenoyl-CoA = 2-trans-dodecenoyl-CoA. Catalysis of the reaction: trans-dec-2-enoyl-acyl-carrier-protein = cis-dec-3-enoyl-acyl-carrier-protein. Catalysis of the isomerization of 3,5-dienoyl-CoA to 2,4-dienoyl-CoA. Catalysis of the reaction: 2,5-dihydro-5-oxofuran-2-acetate = 3,4-dihydro-5-oxofuran-2-acetate. 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: vinylacetyl-CoA = crotonyl-CoA. Catalysis of the reaction: methylitaconate = dimethylmaleate. Catalysis of the reaction: (13E)-(15S)-15-hydroxy-9-oxoprosta-10,13-dienoate = (13E)-(15S)-15-hydroxy-9-oxoprosta-11,13-dienoate. null

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: intramolecular oxidoreductase activity, transposing C=C bonds
Acc: GO:0016863
Aspect: Molecular Function
Desc: Catalysis of an oxidation-reduction (redox) reaction in which the hydrogen donor and acceptor are the same molecule, one or more carbon-carbon double bonds in the molecule are rearranged, and no oxidized product appears.
Synonyms:
  • intramolecular isomerase activity, transposing C=C bonds
Proteins in PDR annotated with:
   This term: 2 [Search]
   Term or descendants: 91 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0016863 - intramolecular oxidoreductase activity, transposing C=C bonds (interactive image map)
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