label: 3beta-hydroxy-5alpha-androstan-17-one + reduced [NADPH--hemoprotein reductase] + O2 <=> 3beta,7alpha-dihydroxy-5alpha-androstan-17-one + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
label_lc: 3beta-hydroxy-5alpha-androstan-17-one + reduced [nadph--hemoprotein reductase] + o2 <=> 3beta,7alpha-dihydroxy-5alpha-androstan-17-one + oxidized [nadph--hemoprotein reductase] + h2o + h(+)