EOG89CSSD GO:0005737 3/3 cytoplasm cellular_component "All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures." [ISBN:0198547684] EOG89CSSD GO:0016021 3/3 integral component of membrane cellular_component "The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane." [GOC:dos, GOC:go_curators] EOG89CSSD GO:0003865 3/3 3-oxo-5-alpha-steroid 4-dehydrogenase activity molecular_function "Catalysis of the reaction: a 3-oxo-5-alpha-steroid + acceptor = a 3-oxo-delta(4)-steroid + reduced acceptor." [EC:1.3.99.5] EOG89CSSD GO:0008202 3/3 steroid metabolic process biological_process "The chemical reactions and pathways involving steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus." [ISBN:0198547684]