The Enzyme Database

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Accepted name: rosmarinate synthase
Reaction: caffeoyl-CoA + (R)-3-(3,4-dihydroxyphenyl)lactate = CoA + rosmarinate
For diagram of rosmarinate biosynthesis, click here
Glossary: (R)-3-(3,4-dihydroxyphenyl)lactate = (2R)-3-(3,4-dihydroxyphenyl)-2-hydroxypropanoate
rosmarinate = (2R)-3-(3,4-dihydroxyphenyl)-2-{[(2E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy}propanoate
Other name(s): rosmarinic acid synthase; caffeoyl-coenzyme A:3,4-dihydroxyphenyllactic acid caffeoyltransferase; 4-coumaroyl-CoA:4-hydroxyphenyllactic acid 4-coumaroyl transferase; RAS (gene name)
Systematic name: caffeoyl-CoA:(R)-3-(3,4-dihydroxyphenyl)lactate 2′-O-caffeoyl-transferase
Comments: Involved, with EC (hydroxyphenylpyruvate reductase) in the biosynthesis of rosmarinic acid. Characterized from the plant Melissa officinalis L. (lemon balm).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 117590-80-4
1.  Petersen, M. and Alfermann, A.W. Two new enzymes of rosmarinic acid biosynthesis from cell cultures of Coleus blumei: hydroxyphenylpyruvate reductase and rosmarinic acid synthase. Z. Naturforsch. C: Biosci. 43 (1988) 501–504.
2.  Petersen, M. S. Characterization of rosmarinic acid synthase from cell cultures of Coleus blumei. Phytochemistry 30 (1991) 2877–2881.
3.  Weitzel, C. and Petersen, M. Cloning and characterisation of rosmarinic acid synthase from Melissa officinalis L. Phytochemistry 72 (2011) 572–578. [DOI] [PMID: 21354582]
[EC created 1992, modified 2013]

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