Microbiological transformations of steroids. Aromatization of ring A, cleavage of ring D and oxidation of the side chain in certain 19-nor steroids.
D001407:Bacillus / Q000378:metabolism*; D048749:Cytokinesis; D010084:Oxidation-Reduction; D013256:Steroids / Q000737:chemistry*; D013302:Streptomyces / Q000378:metabolism*
D013256:Steroids
BACILLUS/metabolism; STEROIDS/chemistry; STREPTOMYCES/metabolism