ID   2.1.1.118
DE   columbamine O-methyltransferase.
CA   columbamine + S-adenosyl-L-methionine = palmatine + S-adenosyl-L-
CA   homocysteine + H(+).
CC   -!- The product of this reaction is a protoberberine alkaloid that is
CC       widely distributed in the plant kingdom.
CC   -!- Distinct in specificity from EC 2.1.1.88.
DR   Q8H9A8, COOMT_COPJA;
//