Information on EC 2.4.1.B64 - glucosyltransferase Waag

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The expected taxonomic range for this enzyme is: Escherichia coli

EC NUMBER
COMMENTARY hide
2.4.1.B64
preliminary BRENDA-supplied EC number
RECOMMENDED NAME
GeneOntology No.
glucosyltransferase Waag
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REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
UDP-alpha-D-glucose + alpha-L-glycero-D-manno-heptosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose = UDP + beta-D-glucosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose
show the reaction diagram
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SYSTEMATIC NAME
IUBMB Comments
UDP-alpha-D-glucose:alpha-L-glycero-D-manno-heptosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->5)-[alpha-Kdo-(2->4)]-alpha-Kdo-(2->6)-lipid A glucosyltransferase
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ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
malfunction
physiological function
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
UDP-alpha-D-glucose + alpha-L-glycero-D-manno-heptosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose
UDP + beta-D-glucosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose
show the reaction diagram
UDP-alpha-D-glucose + alpha-L-glycero-D-manno-heptosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-alpha-D-glucopyranose
UDP + beta-D-glucosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-alpha-D-glucopyranose
show the reaction diagram
UDP-alpha-D-glucose + truncated lipopolysaccharide
UDP + glucosylated truncated lipopolysaccharide
show the reaction diagram
NATURAL SUBSTRATES
NATURAL PRODUCTS
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
UDP-alpha-D-glucose + alpha-L-glycero-D-manno-heptosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose
UDP + beta-D-glucosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-1-O-phosphono-alpha-D-glucopyranose
show the reaction diagram
METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Mg2+
absolutely required, assay in presence of 25 mM MgCl2
INHIBITORS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
4-(2-amino-1,3-thiazol-4-yl)phenol
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Triton X-100
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activity increases as the Triton X-100 concentration is increased from 0 to 0.2%. Higher concentrations of detergent are inhibitory
additional information
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a fragment-based screening is carried out and identifies compounds which can be used as starting points for development of potent inhibitors
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ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate
presence of 20 mM in assay, enhances activity
cardiolipin
presence of 1 mM in assay, enhances activity
phosphatidylglycerol
presence of 10 mM in assay, enhances activity
Triton X-100
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activity increases as the Triton X-100 concentration is increased from 0 to 0.2%. Higher concentrations of detergent are inhibitory
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
3.85
alpha-L-glycero-D-manno-heptosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-alpha-D-glucopyranose
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pH 7.5, 25°C
0.162
UDP-alpha-D-glucose
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pH 7.5, 25°C
TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.5
alpha-L-glycero-D-manno-heptosyl-(1->3)-alpha-L-glycero-D-manno-heptosyl-(1->5)-[(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->4)]-(3-deoxy-alpha-D-manno-oct-2-ulopyranosylonate)-(2->6)-2-deoxy-2-[[(3R)-3-(dodecanoyloxy)tetradecanoyl]amino]-3-O-[(3R)-3-(tetradecanoyloxy)tetradecanoyl]-4-O-phospho-beta-D-glucopyranosyl-(1->6)-2-deoxy-3-O-[(3R)-3-hydroxytetradecanoyl]-2-[[(3R)-3-hydroxytetradecanoyl]amino]-alpha-D-glucopyranose
IC50 VALUE [mM]
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
1
4-(2-amino-1,3-thiazol-4-yl)phenol
Escherichia coli
Q9R2L8
pH 7.5, 22°C
Crystallization/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
an exposed and largely alpha-helical 30-residue sequence, with a net positive charge and several aromatic amino acids, is the putative membrane-interacting region of WaaG. In the presence of dodecylphosphocholine, the membrane-interacting region adopts a three-dimensional structure remarkably similar to the segment in the crystal structure. The interaction of WaaG is conferred at least in part by the membrane-interacting region and electrostatic interactions play a key role in binding. During anchoring of WaaG to the inner membrane of Escherichia coli, the central part of membrane-interacting region inserts into one leaflet of the bilayer. In this model, electrostatic interactions as well as surface-exposed Tyr residues bind WaaG to the membrane
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crystals of the enzyme and of its selenomethionine derivative are grown in 0.1 M MES (pH 6.75), 0.2 M NaBr, and 15% PEG 3350 at a protein concentration of 10 mg/ml. Microseeding is necessary to achieve reproducibility of the crystals. Crystals of the complex of the enzyme with UDP-2F-glucose are prepared by addition of 10 mM UDP-2F-glucose to the protein solution prior to crystallization. The structure of the enzyme is solved by single-wavelength anomalous dispersion with a selenomethionine version of the protein, at a resolution of 1.6 A, in the presence of UDP
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Purification/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
Cloned/COMMENTARY
ORGANISM
UNIPROT
LITERATURE
expression in Escherichia coli
APPLICATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
analysis