label: 5alpha-cholest-7-en-3-one + S-adenosyl-L-methionine <=> 4alpha-methyl-5alpha-cholest-7-en-3-one + S-adenosyl-L-homocysteine + H(+)
label_lc: 5alpha-cholest-7-en-3-one + s-adenosyl-l-methionine <=> 4alpha-methyl-5alpha-cholest-7-en-3-one + s-adenosyl-l-homocysteine + h(+)