Hydroxycinnamoyl-Coenzyme A shikimate/quinate hydroxycinnamoyltransferase HCT 435 MKIEVKESTMVKPAAETPQQRLWNSNVDLVVPNFHTPSVYFYRPTGSPNFFDGKVLKEALSKALVPFYPMAGRLCRDEDGRIEIDCKGQGVLFVEAESDGVVDDFGDFAPTLELRQLIPAVDYSQGIQSYALLVLQITHFKCGGVSLGVGMQHHAADGASGLHFINTWSDMARGLDLTIPPFIDRTLLRARDPPQPQFPHVEYQPPPTLKVTPENTPISEAVPETSVSIFKLTRDQINTLKAKSKEDGNTVNYSSYEMLAGHVWRSTCMARGLAHDQETKLYIATDGRSRLRPSLPPGYFGNVIFTTTPIAVAGDIQSKPIWYAASKLHDALARMDNDYLRSALDYLELQPDLKALVRGAHTFKCPNLGITSWSRLPIHDADFGWGRPIFMGPGGIAYEGLSFILPSPTNDGSQSVAISLQAEHMKLFEKFLYDF Hydroxycinnamoyl transferase Acyltransferase involved in the biosynthesis of lignin. The affinity for shikimate as acceptor is 100-fold higher than for quinate. The most efficient donors are caffeoyl-CoA > p-coumaroyl- CoA > feruloyl-CoA >> sinapoyl-CoA. HCT_TOBAC