2.3.1.74 6 - caffeoyl-CoA 487459 2.3.1.74 6.5 - caffeoyl-CoA 487456 2.3.1.74 6.5 - caffeoyl-CoA and feruloyl-CoA 487470 2.3.1.74 6.5 7 caffeoyl-CoA 487470 2.3.1.74 6.8 - assay at 487454 2.3.1.74 6.8 - caffeoyl-CoA 487463 2.3.1.74 7 - substrate 4-coumaroyl-CoA 719618 2.3.1.74 7.5 - - 757487 2.3.1.74 7.5 - 4-coumaroyl-CoA 487459 2.3.1.74 7.5 - assay at 720073