The Enzyme Database

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Accepted name: monacolin J acid methylbutanoate transferase
Reaction: monacolin J acid + (S)-2-methylbutanoyl-[2-methylbutanoate polyketide synthase] = lovastatin acid + [2-methylbutanoate polyketide synthase]
For diagram of lovastatin biosynthesis, click here
Glossary: monacolin J acid = (3R,5R)-7-[(1S,2S,6R,8S,8aR)-8-hydroxy-2,6-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]-3,5-dihydroxyheptanoate
lovastatin acid = (3R,5R)-7-[(1S,2S,6R,8S,8aR)-2,6-dimethyl-8-{[(2S)-2-methylbutanoyl]oxy}-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]-3,5-dihydroxyheptanoate
Other name(s): LovD
Systematic name: monacolin J acid:(S)-2-methylbutanoyl-[2-methylbutanoate polyketide synthase] (S)-2-methylbutanoate transferase
Comments: The enzyme catalyses the ultimate reaction in the lovastatin biosynthesis pathway of the filamentous fungus Aspergillus terreus.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
1.  Kennedy, J., Auclair, K., Kendrew, S.G., Park, C., Vederas, J.C. and Hutchinson, C.R. Modulation of polyketide synthase activity by accessory proteins during lovastatin biosynthesis. Science 284 (1999) 1368–1372. [DOI] [PMID: 10334994]
2.  Xie, X., Watanabe, K., Wojcicki, W.A., Wang, C.C. and Tang, Y. Biosynthesis of lovastatin analogs with a broadly specific acyltransferase. Chem. Biol. 13 (2006) 1161–1169. [DOI] [PMID: 17113998]
3.  Xie, X., Meehan, M.J., Xu, W., Dorrestein, P.C. and Tang, Y. Acyltransferase mediated polyketide release from a fungal megasynthase. J. Am. Chem. Soc. 131 (2009) 8388–8389. [DOI] [PMID: 19530726]
[EC created 2014]

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