The Enzyme Database

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EC 2.3.1.99     
Accepted name: quinate O-hydroxycinnamoyltransferase
Reaction: feruloyl-CoA + quinate = CoA + O-feruloylquinate
Other name(s): hydroxycinnamoyl coenzyme A-quinate transferase
Systematic name: feruloyl-CoA:quinate O-(hydroxycinnamoyl)transferase
Comments: Caffeoyl-CoA and 4-coumaroyl-CoA can also act as donors, but more slowly. Involved in the biosynthesis of chlorogenic acid in sweet potato and, with EC 2.3.1.98 chlorogenate—glucarate O-hydroxycinnamoyltransferase, in the formation of caffeoyl-CoA in tomato.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 60321-02-0
References:
1.  Strack, D., Gross, W., Wray, V. and Grotjahn, L. Enzymatic-synthesis of caffeoylglucaric acid from chlorogenic acid and glucaric acid by a protein preparation from tomato cotyledons. Plant Physiol. 83 (1987) 475–478. [PMID: 16665274]
2.  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.
3.  Villegas, R.J.A. and Kojima, M. Purification and characterization of hydroxycinnamoyl D-glucose. Quinate hydroxycinnamoyl transferase in the root of sweet potato, Ipomoea batatas Lam. J. Biol. Chem. 261 (1986) 8729–8733. [PMID: 3722170]
[EC 2.3.1.99 created 1989, modified 1990]
 
 


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