preferred_name: precorrin-2 C20-methyltransferase activity
preferred_name_lc: precorrin-2 c20-methyltransferase activity
label: S-adenosyl-L-methionine:precorrin-4 C20-methyltransferase activity
label_lc: s-adenosyl-l-methionine:precorrin-4 c20-methyltransferase activity