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UDP-alpha-D-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol = 1,2-diacyl-3-O-[alpha-D-glucopyranosyl-(1->2)-O-alpha-D-glucopyranosyl]-sn-glycerol + UDP
UDP-alpha-D-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol = 1,2-diacyl-3-O-[alpha-D-glucopyranosyl-(1->2)-O-alpha-D-glucopyranosyl]-sn-glycerol + UDP

-
-
-
-
UDP-alpha-D-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol = 1,2-diacyl-3-O-[alpha-D-glucopyranosyl-(1->2)-O-alpha-D-glucopyranosyl]-sn-glycerol + UDP
the enzyme is made from 1,2-diacylglycerol-3-glucosyltransferase, EC 2.4.1.157, in membranes with more unsaturated or longer acyl chains, increased temperature or increased amount of cholesterol
-
UDP-alpha-D-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol = 1,2-diacyl-3-O-[alpha-D-glucopyranosyl-(1->2)-O-alpha-D-glucopyranosyl]-sn-glycerol + UDP
the enzyme is made from 1,2-diacylglycerol-3-glucosyltransferase, EC 2.4.1.157, in membranes with more unsaturated or longer acyl chains, increased temperature or increased amount of cholesterol
-
-
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UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1-2)-O-alpha-D-glucopyranosyl)sn-glycerol + UDP
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
UDP-glucose + 1,2-diheptadecanoyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diheptadecanoyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
best substrate
73% of activity with monoglucosyldioleoylglycerol
?
UDP-glucose + 1,2-dioleoyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-dioleoyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
-
-
?
additional information
?
-
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol

1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1-2)-O-alpha-D-glucopyranosyl)sn-glycerol + UDP
-
-
-
-
ir
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1-2)-O-alpha-D-glucopyranosyl)sn-glycerol + UDP
-
enzyme is involved in biosynthesis of phosphoglucolipids and has a regulatory function together with 1,2-diacylglycerol-3-glucosyltransferase, EC 2.4.1.157, overview
-
-
ir
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1-2)-O-alpha-D-glucopyranosyl)sn-glycerol + UDP
-
-
-
-
ir
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1-2)-O-alpha-D-glucopyranosyl)sn-glycerol + UDP
-
enzyme is involved in biosynthesis of phosphoglucolipids and has a regulatory function together with 1,2-diacylglycerol-3-glucosyltransferase, EC 2.4.1.157, overview
-
-
ir
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol

UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
-
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
-
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
-
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
-
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
-
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
no activity if the sugar is in beta-position
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
at physiological concentrations of phosphatidylglycerol different nonlamellar-promoting pertubants can strongly enhance the synthesis of diglycosyldiacylglycerol in relation to their nonbilayer propensities
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
modulation of the activity by non-bilayer-forming lipids
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
-
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
-
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
enzyme provides glycolipid for lipoteichoic acid assembly
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
-
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
enzyme provides glycolipid for lipoteichoic acid assembly
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
-
-
?
additional information

?
-
-
bilayer binding by the enzyme, overview, the enzyme is made from 1,2-diacylglycerol-3-glucosyltransferase, EC 2.4.1.157, in membranes with more unsaturated or longer acyl chains, increased temperature or increased amount of cholesterol
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-
?
additional information
?
-
-
substrate specificty, the enzyme accepts pyrenyl lipid derivatives, resulting lipid organization, overview
-
-
?
additional information
?
-
-
bilayer binding by the enzyme, overview, the enzyme is made from 1,2-diacylglycerol-3-glucosyltransferase, EC 2.4.1.157, in membranes with more unsaturated or longer acyl chains, increased temperature or increased amount of cholesterol
-
-
?
additional information
?
-
-
substrate specificty, the enzyme accepts pyrenyl lipid derivatives, resulting lipid organization, overview
-
-
?
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UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1-2)-O-alpha-D-glucopyranosyl)sn-glycerol + UDP
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
additional information
?
-
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol

1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1-2)-O-alpha-D-glucopyranosyl)sn-glycerol + UDP
-
enzyme is involved in biosynthesis of phosphoglucolipids and has a regulatory function together with 1,2-diacylglycerol-3-glucosyltransferase, EC 2.4.1.157, overview
-
-
ir
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1-2)-O-alpha-D-glucopyranosyl)sn-glycerol + UDP
-
enzyme is involved in biosynthesis of phosphoglucolipids and has a regulatory function together with 1,2-diacylglycerol-3-glucosyltransferase, EC 2.4.1.157, overview
-
-
ir
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol

UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
at physiological concentrations of phosphatidylglycerol different nonlamellar-promoting pertubants can strongly enhance the synthesis of diglycosyldiacylglycerol in relation to their nonbilayer propensities
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
modulation of the activity by non-bilayer-forming lipids
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
enzyme provides glycolipid for lipoteichoic acid assembly
-
?
UDP-glucose + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl)-sn-glycerol
UDP + 1,2-diacyl-3-O-(alpha-D-glucopyranosyl(1->2)-O-alpha-D-glucopyranosyl)-sn-glycerol
-
enzyme provides glycolipid for lipoteichoic acid assembly
-
?
additional information

?
-
-
bilayer binding by the enzyme, overview, the enzyme is made from 1,2-diacylglycerol-3-glucosyltransferase, EC 2.4.1.157, in membranes with more unsaturated or longer acyl chains, increased temperature or increased amount of cholesterol
-
-
?
additional information
?
-
-
bilayer binding by the enzyme, overview, the enzyme is made from 1,2-diacylglycerol-3-glucosyltransferase, EC 2.4.1.157, in membranes with more unsaturated or longer acyl chains, increased temperature or increased amount of cholesterol
-
-
?
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1,2-dioleoylphosphatidylethanolamine
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maximal activity at 4.5%
1,2-dioleoylphosphatidylglycerol
1,2-dioleoylphosphatidylserine
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33% of activation with 1,2-dioleoylphosphatidylglycerol
1,3-dioleoylglycerol
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11.5 mol%, 5fold activation
ATP
-
approx. 12fold stimulation at 0.75 mM, inhibition above 1.5 mM
diphosphatidylglycerol
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from bovine, 50% of activation with 1,2-dioleoylphosphatidylglycerol
dsDNA
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0.0007 mg/ml, 7fold activation
-
fructose-1,6-bisphosphate
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1 mM, approx. 18fold stimulation
phosphatidylinositol
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strong activation in the presence of 1,2-dioleoylphosphatidylglycerol
phosphatidylinositol-4,5-bisphosphate
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strong activation in the presence of 1,2-dioleoylphosphatidylglycerol
phosphoenolpyruvate
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0.5 mM, 4fold stimulation, inhibition above 1.5 mM
sn-glycero-1-phosphate
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stimulates above 15 mM
1,2-dioleoylphosphatidylglycerol

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1,2-dioleoylphosphatidylglycerol
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maximal activation at 25 mol%
1,2-dioleoylphosphatidylglycerol
-
maximal activation at 30 mol%
cardiolipin

-
very strong stimulation in the presence of 1,3-dioleoylglycerol
cardiolipin
-
no endogenous compound of strain A-EF22
Lipid

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activates
Lipid
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activity is influenced in a dose-dependent manner by the nonbilayer propensities of several amphiphilic and hydrophilic lipids in two different bilayer matrices
Lipid
-
activation by non-lamellar forming lipids
phosphate

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-
phosphate
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40 mM, approx. 8fold activation
phosphate
-
20 mM, 5fold stimulation in the presence of 5 mM Mg2+
phosphatidylglycerol

-
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phosphatidylglycerol
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liquid-crystalline phosphatidylglycerol
phosphatidylglycerol
-
enzyme needs a polar activator lipid, preferably phosphatidylglycerol at concentrations of 25-30 mol% in zwitterionic mixed CHAPS bilayer-like aggregates
phosphatidylglycerol
-
in vivo amounts are not enough for efficient diglucosyldiacylglycerol synthesis
additional information

-
the enzyme is made from 1,2-diacylglycerol-3-glucosyltransferase, EC 2.4.1.157, in membranes with more unsaturated or longer acyl chains, increased temperature or increased amount of cholesterol
-
additional information
-
not activated by cardiolipin
-
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Karlsson, O.P.; Rytmaa, M.; Dahlqvist, A.; Kinnunen, P.K.L.; Wieslander, A.
Correlation between bilayer lipid dynamics and activity of the diglucosyldiacylglycerol synthase from Acholeplasma laidlawii membranes
Biochemistry
35
10094-10102
1996
Acholeplasma laidlawii
brenda
Dahlqvist, A.; Nordstrm, S.; Karlsson, O.P.; Mannock, D.A.; McElhaney, R.N.; Wieslander, A.
Efficient modulation of glucolipid enzyme activities in membranes of Acholeplasma laidlawii by the type of lipids in the bilayer matrix
Biochemistry
34
13381-13389
1995
Acholeplasma laidlawii
brenda
Cornell, R.B.; Arnold, R.S.
Modulation of the activities of enzymes of membrane lipid metabolism by non-bilayer-forming lipids
Chem. Phys. Lipids
81
215-227
1996
Acholeplasma laidlawii
-
brenda
Vikstrom, S.; Li, L.; Karlsson, O.P.; Wieslander, A.
Key role of the diglucosyldiacylglycerol synthase for the nonbilayer-bilayer lipid balance of Acholeplasma laidlawii membranes
Biochemistry
38
5511-5520
1999
Acholeplasma laidlawii
brenda
Vikstrom, S.; Li, L.; Wieslander, A.
The nonbilayer/bilayer lipid balance in membranes: Regulatory enzyme in Acholeplasma laidlawii is stimulated by metabolic phosphates, activator phospholipids, and double-stranded DNA
J. Biol. Chem.
275
9296-9302
2000
Acholeplasma laidlawii
brenda
Kiriukhin, M.Y.; Debabov, D.V.; Shinabarger, D.L.; Neuhaus, F.C.
Biosynthesis of the glycolipid anchor in lipoteichoic acid of Staphylococcus aureus RN4220: role of YpfP, the diglucosyldiacylglycerol synthase
J. Bacteriol.
183
3506-3514
2001
Bacillus subtilis, Staphylococcus aureus, Staphylococcus aureus RN4220
brenda
Edman, M.; Berg, S.; Storm, P.; Wikstrom, M.; Vikstrom, S.; Ohman, A.; Wieslander, A.
Structural features of glycosyltransferases synthesizing major bilayer and nonbilayer-prone membrane lipids in Acholeplasma laidlawii and Streptococcus pneumoniae
J. Biol. Chem.
278
8420-8428
2003
Acholeplasma laidlawii, Streptococcus pneumoniae
brenda
Storm, P.; Li, L.; Kinnunen, P.; Wieslander, A.
Lateral organization in Acholeplasma laidlawii lipid bilayer models containing endogenous pyrene probes
Eur. J. Biochem.
270
1699-1709
2003
Acholeplasma laidlawii, Acholeplasma laidlawii A-EF22
brenda