5alpha-cholest-8-en-3beta-ol + NADP(+) => zymosterol + NADPH + H(+)
5alpha-cholest-8-en-3beta-ol + nadp(+) => zymosterol + nadph + h(+)
5alpha-cholest-8-en-3beta-ol + NADP(+) => zymosterol + NADPH + H(+)
5alpha-cholest-8-en-3beta-ol + nadp(+) => zymosterol + nadph + h(+)