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- PDB-2oi5: E. coli GlmU- Complex with UDP-GlcNAc and Acetyl-CoA -

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Basic information

Entry
Database: PDB / ID: 2oi5
TitleE. coli GlmU- Complex with UDP-GlcNAc and Acetyl-CoA
ComponentsBifunctional protein glmU
KeywordsTRANSFERASE / LEFT-HANDED BETA HELIX
Function / homology
Function and homology information


glucosamine-1-phosphate N-acetyltransferase / glucosamine-1-phosphate N-acetyltransferase activity / UDP-N-acetylglucosamine diphosphorylase / UDP-N-acetylglucosamine diphosphorylase activity / UDP-N-acetylglucosamine biosynthetic process / lipid A biosynthetic process / peptidoglycan biosynthetic process / cell wall organization / cell morphogenesis / regulation of cell shape ...glucosamine-1-phosphate N-acetyltransferase / glucosamine-1-phosphate N-acetyltransferase activity / UDP-N-acetylglucosamine diphosphorylase / UDP-N-acetylglucosamine diphosphorylase activity / UDP-N-acetylglucosamine biosynthetic process / lipid A biosynthetic process / peptidoglycan biosynthetic process / cell wall organization / cell morphogenesis / regulation of cell shape / magnesium ion binding / identical protein binding / membrane / cytosol
Similarity search - Function
Bifunctional UDP-N-acetylglucosamine pyrophosphorylase/glucosamine-1-phosphate N-acetyltransferase / GlmU, C-terminal LbH domain / : / MobA-like NTP transferase / MobA-like NTP transferase domain / Hexapeptide repeat of succinyl-transferase / Hexapeptide transferase, conserved site / Hexapeptide-repeat containing-transferases signature. / Hexapeptide repeat / Hexapeptide repeat proteins ...Bifunctional UDP-N-acetylglucosamine pyrophosphorylase/glucosamine-1-phosphate N-acetyltransferase / GlmU, C-terminal LbH domain / : / MobA-like NTP transferase / MobA-like NTP transferase domain / Hexapeptide repeat of succinyl-transferase / Hexapeptide transferase, conserved site / Hexapeptide-repeat containing-transferases signature. / Hexapeptide repeat / Hexapeptide repeat proteins / UDP N-Acetylglucosamine Acyltransferase; domain 1 / Bacterial transferase hexapeptide (six repeats) / Trimeric LpxA-like superfamily / 3 Solenoid / Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A / Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A / Nucleotide-diphospho-sugar transferases / Alpha-Beta Complex / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
ACETYL COENZYME *A / URIDINE-DIPHOSPHATE-N-ACETYLGLUCOSAMINE / Bifunctional protein GlmU
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.25 Å
AuthorsOlsen, L.R. / Vetting, M.W. / Roderick, S.L.
CitationJournal: Protein Sci. / Year: 2007
Title: Structure of the E. coli bifunctional GlmU acetyltransferase active site with substrates and products.
Authors: Olsen, L.R. / Vetting, M.W. / Roderick, S.L.
History
DepositionJan 10, 2007Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 19, 2007Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Aug 30, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr1_symmetry / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.ptnr3_symmetry / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr1_symmetry / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_conn.ptnr2_symmetry / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Bifunctional protein glmU
B: Bifunctional protein glmU
hetero molecules


Theoretical massNumber of molelcules
Total (without water)101,74514
Polymers98,5022
Non-polymers3,24412
Water11,331629
1
A: Bifunctional protein glmU
hetero molecules

A: Bifunctional protein glmU
hetero molecules

A: Bifunctional protein glmU
hetero molecules


Theoretical massNumber of molelcules
Total (without water)152,43818
Polymers147,7533
Non-polymers4,68515
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_665-y+1,x-y+1,z1
crystal symmetry operation3_565-x+y,-x+1,z1
2
B: Bifunctional protein glmU
hetero molecules

B: Bifunctional protein glmU
hetero molecules

B: Bifunctional protein glmU
hetero molecules


Theoretical massNumber of molelcules
Total (without water)152,79924
Polymers147,7533
Non-polymers5,04621
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_665-y+1,x-y+1,z1
crystal symmetry operation3_565-x+y,-x+1,z1
Unit cell
Length a, b, c (Å)102.487, 102.487, 644.426
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number155
Space group name H-MH32
Components on special symmetry positions
IDModelComponents
11A-5003-

MG

21A-5004-

MG

31B-5001-

MG

41B-5002-

MG

DetailsThe biological assembly is trimeric. One trimer is assembled by a crystallographic threefold operation on subunit A. A second trimer is assembled by a crystallographic threefold operation on subunit B. The crystallographic threefold rotation is at (x,y) = (1/3,2/3).

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Bifunctional protein glmU


Mass: 49250.906 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Gene: glmU / Plasmid: pET3a / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3)
References: UniProt: P0ACC7, UDP-N-acetylglucosamine diphosphorylase, glucosamine-1-phosphate N-acetyltransferase

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Non-polymers , 5 types, 641 molecules

#2: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: Mg
#3: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: SO4
#4: Chemical ChemComp-ACO / ACETYL COENZYME *A


Mass: 809.571 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C23H38N7O17P3S
#5: Chemical ChemComp-UD1 / URIDINE-DIPHOSPHATE-N-ACETYLGLUCOSAMINE


Mass: 607.354 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C17H27N3O17P2
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 629 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 3.31 Å3/Da / Density % sol: 62.79 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.1
Details: Tris, NaCl, DTT, Azide, MgCl2, acetyl-CoA, Glc-1-PO4, UDP-GlcNAc, ammonium sulfate, CoCl2, pH 6.1, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 125 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X9A / Wavelength: 0.9465
DetectorType: MAR CCD 165 mm / Detector: CCD / Date: Feb 2, 2001 / Details: Mirrors
RadiationMonochromator: Mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9465 Å / Relative weight: 1
ReflectionResolution: 2.25→23.87 Å / Num. all: 62537 / Num. obs: 62537 / % possible obs: 96.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.3 % / Biso Wilson estimate: 15.6 Å2 / Rmerge(I) obs: 0.057
Reflection shellResolution: 2.25→2.33 Å / Rmerge(I) obs: 0.239 / % possible all: 91.4

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Processing

Software
NameVersionClassification
CNS1refinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: pdb entry 1HV9

1hv9


Resolution: 2.25→23.87 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 138794.55 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.219 2935 4.8 %RANDOM
Rwork0.176 ---
all0.178 60726 --
obs0.176 60726 96.5 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 48.396 Å2 / ksol: 0.401806 e/Å3
Displacement parametersBiso mean: 27.3 Å2
Baniso -1Baniso -2Baniso -3
1-2.75 Å21.63 Å20 Å2
2--2.75 Å20 Å2
3----5.51 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.27 Å0.2 Å
Luzzati d res low-5 Å
Luzzati sigma a0.26 Å0.18 Å
Refinement stepCycle: LAST / Resolution: 2.25→23.87 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6761 0 200 629 7590
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.018
X-RAY DIFFRACTIONc_angle_deg1.6
X-RAY DIFFRACTIONc_dihedral_angle_d25.7
X-RAY DIFFRACTIONc_improper_angle_d1
LS refinement shellResolution: 2.25→2.33 Å / Rfactor Rfree error: 0.019 / Total num. of bins used: 10
RfactorNum. reflection% reflection
Rfree0.302 247 4.3 %
Rwork0.216 5449 -
obs--91.4 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2uni.paruni.top
X-RAY DIFFRACTION3ion.paramion.top
X-RAY DIFFRACTION4water_rep.paramwater.top

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