Reaction: sinapoyl-CoA + glucarate = CoA + O-sinapoylglucarate
Systematic name: sinapoyl-CoA:glucarate O-(hydroxycinnamoyl)transferase
Comments: 4-Coumaroyl-CoA, feruloyl-CoA and caffeoyl-CoA can also act as donors, but more slowly.
Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 112956-51-1
References:
1. Strack, D., Keller, H. and Weissenböck, G. Enzymatic-synthesis of hydroxycinnamic acid-esters of sugar acids and hydroaromatic acids by protein preparations from rye (Secale cereale) primary leaves. J. Plant Physiol. 131 (1987) 61-73.