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- PDB-4e7b: E. cloacae MurA in complex with UDP-glucose -

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Basic information

Entry
Database: PDB / ID: 4e7b
TitleE. cloacae MurA in complex with UDP-glucose
ComponentsUDP-N-acetylglucosamine 1-carboxyvinyltransferase
KeywordsTRANSFERASE / open enzyme state / cell wall / biogenesis/degradation / peptidoglycan synthesis
Function / homology
Function and homology information


UDP-N-acetylglucosamine 1-carboxyvinyltransferase activity / UDP-N-acetylgalactosamine biosynthetic process / UDP-N-acetylglucosamine 1-carboxyvinyltransferase / peptidoglycan biosynthetic process / cell wall organization / regulation of cell shape / cell division / cytoplasm
Similarity search - Function
UDP-N-acetylglucosamine 1-carboxyvinyltransferase / : / Enolpyruvate transferase domain / Alpha-beta prism / UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain / Enolpyruvate transferase domain / Enolpyruvate transferase domain superfamily / EPSP synthase (3-phosphoshikimate 1-carboxyvinyltransferase) / RNA 3'-terminal phosphate cyclase/enolpyruvate transferase, alpha/beta / Alpha Beta
Similarity search - Domain/homology
ACETATE ION / URIDINE-5'-DIPHOSPHATE-GLUCOSE / UDP-N-acetylglucosamine 1-carboxyvinyltransferase
Similarity search - Component
Biological speciesEnterobacter cloacae subsp. cloacae (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsZhu, J.-Y. / Yang, Y. / Schonbrunn, E.
CitationJournal: To be Published
Title: Open-close transition of MurA
Authors: Zhu, J.-Y. / Yang, Y. / Betzi, S. / Schonbrunn, E.
History
DepositionMar 16, 2012Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 20, 2013Provider: repository / Type: Initial release
Revision 1.1Sep 13, 2023Group: Advisory / Data collection ...Advisory / 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_validate_polymer_linkage / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.2Oct 9, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: UDP-N-acetylglucosamine 1-carboxyvinyltransferase
B: UDP-N-acetylglucosamine 1-carboxyvinyltransferase
C: UDP-N-acetylglucosamine 1-carboxyvinyltransferase
D: UDP-N-acetylglucosamine 1-carboxyvinyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)184,30852
Polymers179,3184
Non-polymers4,99048
Water20,1771120
1
A: UDP-N-acetylglucosamine 1-carboxyvinyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)46,13814
Polymers44,8291
Non-polymers1,30813
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: UDP-N-acetylglucosamine 1-carboxyvinyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)46,32717
Polymers44,8291
Non-polymers1,49716
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
3
C: UDP-N-acetylglucosamine 1-carboxyvinyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)46,20015
Polymers44,8291
Non-polymers1,37014
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
4
D: UDP-N-acetylglucosamine 1-carboxyvinyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)45,6446
Polymers44,8291
Non-polymers8155
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)78.110, 103.220, 218.950
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein
UDP-N-acetylglucosamine 1-carboxyvinyltransferase / MurA / Enoylpyruvate transferase / UDP-N-acetylglucosamine enolpyruvyl transferase / EPT


Mass: 44829.406 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Enterobacter cloacae subsp. cloacae (bacteria)
Strain: ATCC 13047 / DSM 30054 / NBRC 13535 / NCDC 279-56 / Gene: ECL_04571, murA, murZ / Plasmid: pET9D / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)
References: UniProt: P33038, UDP-N-acetylglucosamine 1-carboxyvinyltransferase
#2: Chemical...
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 42 / Source method: obtained synthetically / Formula: C2H6O2
#3: Chemical ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H3O2
#4: Chemical
ChemComp-UPG / URIDINE-5'-DIPHOSPHATE-GLUCOSE / URIDINE-5'-MONOPHOSPHATE GLUCOPYRANOSYL-MONOPHOSPHATE ESTER


Mass: 566.302 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C15H24N2O17P2
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1120 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY
Sequence detailsIAS67 FORMS AN ISOPEPTIDIC BOND AND IS THE RESULT OF POST-TRANSLATIONAL MODIFICATION OF ASN67.

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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: 2.46 Å3/Da / Density % sol: 50.02 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: 20 mg/mL MurA, 5 mM UDP-glucose, 25 mM HEPES, pH 7.5, 0.1 M ammonium sulfate, 50 mM Bis-Tris, pH 5.5, 12.5% PEG3350, VAPOR DIFFUSION, HANGING DROP, temperature 291K

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Data collection

DiffractionMean temperature: 93 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 HF / Wavelength: 1.54178
DetectorType: RIGAKU SATURN 944+ / Detector: CCD / Date: Mar 15, 2010 / Details: mirrors
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54178 Å / Relative weight: 1
ReflectionResolution: 2→20 Å / Num. obs: 118332 / % possible obs: 98.5 % / Observed criterion σ(I): -3 / Redundancy: 7.7 % / Biso Wilson estimate: 15.4 Å2 / Rmerge(I) obs: 0.043 / Rsym value: 0.039 / Net I/σ(I): 31.5
Reflection shellResolution: 2→2.1 Å / Redundancy: 3 % / Rmerge(I) obs: 0.244 / Mean I/σ(I) obs: 4.6 / Rsym value: 0.189 / % possible all: 92.9

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Processing

Software
NameVersionClassification
StructureStudiodata collection
MOLREPphasing
CNS1.3refinement
XDSdata reduction
XDSdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 3SPB

3spb


Resolution: 2→19.96 Å / Rfactor Rfree error: 0.007 / Data cutoff high absF: 3629139.5 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber / Details: BULK SOLVENT MODEL USED
RfactorNum. reflection% reflectionSelection details
Rfree0.226 1184 1 %RANDOM
Rwork0.186 ---
obs0.186 118329 98.4 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 52.3729 Å2 / ksol: 0.36 e/Å3
Displacement parametersBiso mean: 29.2 Å2
Baniso -1Baniso -2Baniso -3
1--3.23 Å20 Å20 Å2
2--1.72 Å20 Å2
3---1.52 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.26 Å0.21 Å
Luzzati d res low-5 Å
Luzzati sigma a0.18 Å0.14 Å
Refinement stepCycle: LAST / Resolution: 2→19.96 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms12572 0 320 1120 14012
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.011
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.8
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d24.2
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d12.29
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.381.5
X-RAY DIFFRACTIONc_mcangle_it2.042
X-RAY DIFFRACTIONc_scbond_it2.422
X-RAY DIFFRACTIONc_scangle_it3.482.5
Refine LS restraints NCSNCS model details: NONE
LS refinement shellResolution: 2→2.13 Å / Rfactor Rfree error: 0.018 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.247 184 1 %
Rwork0.215 18241 -
obs--93.2 %

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