ID 1.3.99.4 DE 3-oxosteroid 1-dehydrogenase. CA A 3-oxosteroid + acceptor = a 3-oxo-Delta(1)-steroid + reduced acceptor. DR P71864, 3O1D1_MYCTU; Q7D5C1, 3O1D2_MYCTU; Q06401, 3O1D_COMTE ; DR A0R4S9, 3O1D_MYCS2 ; Q04616, 3O1D_RHOOP ; //