3-oxo-5-alpha-steroid 4-dehydrogenase (NADP+) activity
Catalysis of the reaction: 3-oxo-5alpha-steroid + NADP+ = a 3-oxo-delta(4)-steroid + H+ + NADPH.
GO:0003865
3-oxo-5-alpha-steroid 4-dehydrogenase activity
is_a
GO:0035671
enone reductase activity
is_a
3-oxosteroid 5alpha-reductase activity
related
3-oxosteroid delta4-dehydrogenase
broad
cholestenone 5-alpha-reductase activity
narrow
cholestenone 5a-reductase activity
narrow
cholestenone 5alpha-reductase activity
narrow
progesterone 5-alpha-reductase activity
narrow
steroid 5alpha-hydrogenase activity
broad
steroid 5alpha-reductase
broad
sterol 5-alpha reductase activity
broad
testosterone 5alpha-reductase
narrow
testosterone delta4-hydrogenase activity
narrow