ID 2.3.1.132 DE glucarolactone O-hydroxycinnamoyltransferase. CA (E)-sinapoyl-CoA + D-glucono-1,5-lactone = 6-O-[(E)-sinapoyl]-D-glucono- CA 1,5-lactone + CoA. CC -!- 4-coumaroyl-CoA, feruloyl-CoA and caffeoyl-CoA can also act as CC donors, more slowly. //