label: 4alpha-methyl-5alpha-cholest-8-en-3beta-ol + NADP(+) => 4alpha-methyl-5alpha-cholest-8-en-3-one + NADPH + H(+)
label_lc: 4alpha-methyl-5alpha-cholest-8-en-3beta-ol + nadp(+) => 4alpha-methyl-5alpha-cholest-8-en-3-one + nadph + h(+)