IUBMB Enzyme Nomenclature


Accepted name: isocitrate O-dihydroxycinnamoyltransferase

Reaction: caffeoyl-CoA + isocitrate = CoA + 2-O-caffeoylisocitrate

2-O-caffeoylisocitrate = (1R,2S)-1-{[3-(E)-(3,4-dihydroxyphenyl)acryloyl]oxy}propane-1,2,3-tricarboxylate = (3S,4R)-3-carboxy-2,3-dideoxy-4-O-[(2E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]pentarate isocitrate = (1R,2S)-1-hydroxypropane-1,2,3-tricarboxylate = threo-Ds-isocitrate

Systematic name: caffeoyl-CoA:isocitrate 2-O-(3,4-dihydroxycinnamoyl)transferase

Comments: Feruloyl-CoA and 4-coumaroyl-CoA can also act as donors.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 112352-88-2


1. Strack, D., Leicht, P., Bokern, M., Wray, V. and Grotjahn, L. Hydroxycinnamic acid-esters of isocitric acid - accumulation and enzymatic-synthesis in Amaranthus cruentus. Phytochemistry 26 (1987) 2919-2922.

[EC created 1990]

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