sterol 24-C-methyltransferase; Delta24-methyltransferase; Delta24-sterol methyltransferase; zymosterol-24-methyltransferase; S-adenosyl-4-methionine:sterol Delta24-methyltransferase; SMT1; 24-sterol C-methyltransferase; S-adenosyl-L-methionine:Delta • • •