The Enzyme Database

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EC 2.4.1.337     
Accepted name: 1,2-diacylglycerol 3-α-glucosyltransferase
Reaction: UDP-α-D-glucose + a 1,2-diacyl-sn-glycerol = UDP + a 1,2-diacyl-3-O-(α-D-glucopyranosyl)-sn-glycerol
Other name(s): mgs (gene name); UDP-glucose:diacylglycerol glucosyltransferase; UDP-glucose:1,2-diacylglycerol glucosyltransferase; uridine diphosphoglucose-diacylglycerol glucosyltransferase; UDP-glucose-diacylglycerol glucosyltransferase; UDP-glucose:1,2-diacylglycerol 3-D-glucosyltransferase; UDP-glucose:1,2-diacyl-sn-glycerol 3-D-glucosyltransferase; 1,2-diacylglycerol 3-glucosyltransferase (ambiguous)
Systematic name: UDP-α-D-glucose:1,2-diacyl-sn-glycerol 3-α-D-glucosyltransferase
Comments: The enzyme from the bacterium Acholeplasma laidlawii, which lacks a cell wall, produces the major non-bilayer lipid in the organism. The enzyme from the bacterium Agrobacterium tumefaciens acts under phosphate deprivation, generating glycolipids as surrogates for phospholipids. The enzyme belongs to the GT4 family of configuration-retaining glycosyltransferases. Many diacylglycerols with long-chain acyl groups can act as acceptors. cf. EC 2.4.1.336, monoglucosyldiacylglycerol synthase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Karlsson, O.P., Dahlqvist, A., Vikstrom, S. and Wieslander, A. Lipid dependence and basic kinetics of the purified 1,2-diacylglycerol 3-glucosyltransferase from membranes of Acholeplasma laidlawii. J. Biol. Chem. 272 (1997) 929–936. [PMID: 8995384]
2.  Li, L., Storm, P., Karlsson, O.P., Berg, S. and Wieslander, A. Irreversible binding and activity control of the 1,2-diacylglycerol 3-glucosyltransferase from Acholeplasma laidlawii at an anionic lipid bilayer surface. Biochemistry 42 (2003) 9677–9686. [PMID: 12911309]
3.  Berg, S., Edman, M., Li, L., Wikstrom, M. and Wieslander, A. Sequence properties of the 1,2-diacylglycerol 3-glucosyltransferase from Acholeplasma laidlawii membranes. Recognition of a large group of lipid glycosyltransferases in eubacteria and archaea. J. Biol. Chem. 276 (2001) 22056–22063. [PMID: 11294844]
4.  Semeniuk, A., Sohlenkamp, C., Duda, K. and Holzl, G. A bifunctional glycosyltransferase from Agrobacterium tumefaciens synthesizes monoglucosyl and glucuronosyl diacylglycerol under phosphate deprivation. J. Biol. Chem. 289 (2014) 10104–10114. [PMID: 24558041]
[EC 2.4.1.337 created 2015]
 
 


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