trans-4-coumaroylshikimate + CoA => shikimate + 4-coumaroyl-CoA
trans-4-coumaroylshikimate + coa => shikimate + 4-coumaroyl-coa
trans-4-coumaroylshikimate + CoA => shikimate + 4-coumaroyl-CoA
trans-4-coumaroylshikimate + coa => shikimate + 4-coumaroyl-coa