Ligand (S)-2-methylbutanoyl-[2-methylbutanoate polyketide synthase]
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Basic Ligand Information
(S)-2-methylbutanoyl-[2-methylbutanoate polyketide synthase]
Related pathways
MetaCyc
lovastatin biosynthesis
Roles as Enzyme Ligand
In Vivo Substrate in Enzyme-catalyzed Reactions (1 result)
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monacolin J acid + (S)-2-methylbutanoyl-[2-methylbutanoate polyketide synthase] = lovastatin acid + [2-methylbutanoate polyketide synthase]
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In Vivo Product in Enzyme-catalyzed Reactions (1 result)
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acetyl-CoA + malonyl-CoA + [2-methylbutanoate polyketide synthase] + 2 NADPH + 2 H+ + S-adenosyl-L-methionine = (S)-2-methylbutanoyl-[2-methylbutanoate polyketide synthase] + 2 CoA + CO2 + 2 NADP+ + S-adenosyl-L-homocysteine + H2O
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Substrate in Enzyme-catalyzed Reactions (1 result)
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monacolin J acid + (S)-2-methylbutanoyl-[2-methylbutanoate polyketide synthase] = lovastatin acid + [2-methylbutanoate polyketide synthase]
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Product in Enzyme-catalyzed Reactions (1 result)
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acetyl-CoA + malonyl-CoA + [2-methylbutanoate polyketide synthase] + 2 NADPH + 2 H+ + S-adenosyl-L-methionine = (S)-2-methylbutanoyl-[2-methylbutanoate polyketide synthase] + 2 CoA + CO2 + 2 NADP+ + S-adenosyl-L-homocysteine + H2O
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Enzyme Kinetic Parameters
kcat Value (Turnover Number) (1 result)
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0.806
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pH and temperature not specified in the publication
KM Value (1 result)
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0.039
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pH and temperature not specified in the publication
References & Links
Literature References (2)
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Modulation of polyketide synthase activity by accessory proteins during lovastatin biosynthesis
1999
Kennedy, J.; Auclair, K.; Kendrew, S.G.; Park, C.; Vederas, J.C.; Hutchinson, C.R.
Science
284
1368-1372
Acyltransferase mediated polyketide release from a fungal megasynthase
2009
Xie, X.; Meehan, M.J.; Xu, W.; Dorrestein, P.C.; Tang, Y.
J. Am. Chem. Soc.
131
8388-8389
Links to other databases for (S)-2-methylbutanoyl-[2-methylbutanoate polyketide synthase]