anthocyanin A3 + malonyl-CoA <=> anthocyanin A5 + CoA
anthocyanin a3 + malonyl-coa <=> anthocyanin a5 + coa
anthocyanin A3 + malonyl-CoA <=> anthocyanin A5 + CoA
anthocyanin a3 + malonyl-coa <=> anthocyanin a5 + coa