The Enzyme Database

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EC 2.3.1.93     
Accepted name: 13-hydroxylupanine O-tigloyltransferase
Reaction: (E)-2-methylcrotonoyl-CoA + 13-hydroxylupanine = CoA + 13-[(E)-2-methylcrotonoyl]oxylupanine
Glossary: (E)-2-methylcrotonoyl-CoA = tigloyl-CoA = (E)-2-methylbut-2-enoyl-CoA
Other name(s): tigloyl-CoA:13-hydroxylupanine O-tigloyltransferase; 13-hydroxylupanine acyltransferase
Systematic name: (E)-2-methylcrotonoyl-CoA:13-hydroxylupanine O-2-methylcrotonoyltransferase
Comments: Benzoyl-CoA and, more slowly, pentanoyl-CoA, 3-methylbutanoyl-CoA and butanoyl-CoA can act as acyl donors. Involved in the synthesis of lupanine alkaloids.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 85341-00-0
References:
1.  Wink, M. and Hartmann, T. Enzymatic synthesis of quinolizidine alkaloid esters: a tigloyl-CoA:13-hydroxylupanine O-tigloyl transferase from Lupinus albus L. Planta 156 (1982) 560–565.
2.  Okada, T.. Hirai, M.Y., Suzuki, H., Yamazaki, M. and Saito, K. Molecular characterization of a novel quinolizidine alkaloid O-tigloyltransferase: cDNA cloning, catalytic activity of recombinant protein and expression analysis in Lupinus plants. Plant Cell Physiol. 46 (2005) 233–244.
3.  Suzuki, H., Murakoshi, I. and Saito, K. A novel O-tigloyltransferase for alkaloid biosynthesis in plants. Purification, characterization, and distribution in Lupinus plants. J. Biol. Chem. 269 (1994) 15853–15860. [PMID: 8195240]
[EC 2.3.1.93 created 1986, modified 2011]
 
 


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