4,4-dimethyl-5alpha-cholest-8-en-3beta-ol + NADP(+) => 4,4-dimethyl-8,14-cholestadien-3beta-ol + NADPH + H(+)
4,4-dimethyl-5alpha-cholest-8-en-3beta-ol + nadp(+) => 4,4-dimethyl-8,14-cholestadien-3beta-ol + nadph + h(+)
4,4-dimethyl-5alpha-cholest-8-en-3beta-ol + NADP(+) => 4,4-dimethyl-8,14-cholestadien-3beta-ol + NADPH + H(+)
4,4-dimethyl-5alpha-cholest-8-en-3beta-ol + nadp(+) => 4,4-dimethyl-8,14-cholestadien-3beta-ol + nadph + h(+)