Term Name:	steroid Delta-isomerase activity
Synonyms:	3-oxosteroid delta5-delta4-isomerase activity, 3-oxosteroid isomerase activity, delta(5)-3-keto steroid isomerase activity, delta(5)-3-ketosteroid isomerase activity, delta(5)-3-oxosteroid isomerase activity, delta(5)-steroid isomerase activity, delta5(or delta4)-3-keto steroid isomerase activity, delta5-3-keto steroid isomerase activity, delta5-3-ketosteroid isomerase activity, delta5-3-oxosteroid isomerase activity, delta5-ketosteroid isomerase activity, delta5-steroid isomerase activity, hydroxysteroid isomerase activity, steroid D-isomerase activity, steroid isomerase activity
Definition:	Catalysis of the reaction: a 3-oxo-delta(5)-steroid = a 3-oxo-delta(4)-steroid.
Ontology:	GO: Molecular Function [GO:0004769]    QuickGO    AmiGO