ID 2.5.1.139 DE umbelliferone 6-dimethylallyltransferase. CA dimethylallyl diphosphate + umbelliferone = demethylsuberosin + CA diphosphate. CC -!- The enzyme from parsley (Petroselinum crispum) is specific for CC umbelliferone and dimethylallyl diphosphate. CC -!- A minor product is osthenol, which is produced by transfer of the CC dimethylallyl group to C-8 of umbelliferone. DR W0SKS3, U6DT_PETCR ; //