1.3.99.5: 3-oxo-5alpha-steroid 4-dehydrogenase (acceptor)

This is an abbreviated version, for detailed information about 3-oxo-5alpha-steroid 4-dehydrogenase (acceptor), go to the full flat file.

Reaction

a 3-oxo-5alpha-steroid
+
acceptor
=
a 3-oxo-DELTA4-steroid
+
reduced acceptor

Synonyms

3-keto-DELTA4-steroid-5 alpha-reductase, 3-ketosteroid-DELTA4(5alpha)-dehydrogenase, 3-oxo-5alpha-steroid DELTA4-dehydrogenase, 3-oxo-steroid-4-ene dehydrogenase, 3-oxosteroid DELTA4-dehydrogenase, 4-ene-3-ketosteroid-5alpha-oxidoreductase, 5 alpha-SR2, 5alpha-R, 5alpha-R1, 5alpha-reductase, 5alpha-reductase II, 5alpha-reductase type 1, 5alpha-reductase type 2, 5alpha-reductase type II, 5alpha-reductase type1, 5alpha-reductase type2, 5alphaR1, 5alphaR2, 5AR2, dehydrogenase, 3-oxo-5alphasteroid DELTA4-, DELTA4(5alpha)DH, DELTA4-3-keto steroid 5alpha-reductase, DELTA4-3-ketosteroid 5alpha-oxidoreductase, DELTA4-3-oxo steroid reductase, DELTA4-3-oxosteroid-5alpha-reductase, DELTA4-5alpha-dehydrogenase, NADPH-dependent 5alpha-reductase enzyme, r5alphaR1, S5alphaRI, S5alphaRII, S5AR, SRD5A1, SRD5A2, SRD5alpha, steroid 5-alpha reductase type 2, steroid 5-alpha-reductase, steroid 5alpha-reductase, steroid 5alpha-reductase type 1, steroid 5alpha-reductase type 2, steroid 5alpha-reductase type II, steroid DELTA4-5alpha-reductase, steroid-5alpha-reductase, testosterone 5alpha-reductase, type I 5alpha-reductase, type II 5alpha-reductase

ECTree

     1 Oxidoreductases
         1.3 Acting on the CH-CH group of donors
             1.3.99 With unknown physiological acceptors
                1.3.99.5 3-oxo-5alpha-steroid 4-dehydrogenase (acceptor)