ID 2.3.1.99 DE quinate O-hydroxycinnamoyltransferase. AN hydroxycinnamoyl coenzyme A-quinate transferase. CA (E)-feruloyl-CoA + L-quinate = 4-O-feruloyl-D-quinate + CoA. CC -!- Caffeoyl-CoA and 4-coumaroyl-CoA can also act as donors, more slowly. CC -!- Involved in the biosynthesis of chlorogenic acid in sweet potato and, CC with EC 2.3.1.98 in the formation of caffeoyl-CoA in tomato. //