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- PDB-7au0: Structure of P. aeruginosa PBP3 in complex with a benzoxaborole (... -

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Basic information

Entry
Database: PDB / ID: 7au0
TitleStructure of P. aeruginosa PBP3 in complex with a benzoxaborole (Compound 7)
ComponentsPeptidoglycan D,D-transpeptidase FtsI
KeywordsHYDROLASE / D / D-transpeptidase / boron-binding / divalency
Function / homology
Function and homology information


peptidoglycan glycosyltransferase activity / serine-type D-Ala-D-Ala carboxypeptidase / FtsZ-dependent cytokinesis / division septum assembly / serine-type D-Ala-D-Ala carboxypeptidase activity / penicillin binding / peptidoglycan biosynthetic process / cell wall organization / regulation of cell shape / plasma membrane => GO:0005886 / proteolysis
Similarity search - Function
Peptidoglycan D,D-transpeptidase FtsI / Penicillin-binding protein, dimerisation domain / Penicillin-binding Protein dimerisation domain / Penicillin-binding protein, dimerisation domain superfamily / Penicillin-binding protein, transpeptidase / Penicillin binding protein transpeptidase domain / Beta-lactamase/transpeptidase-like
Similarity search - Domain/homology
Chem-S0Z / Peptidoglycan D,D-transpeptidase FtsI
Similarity search - Component
Biological speciesPseudomonas aeruginosa (unknown)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.17 Å
AuthorsNewman, H. / Bellini, B. / Dowson, C.G.
Funding support United Kingdom, 1items
OrganizationGrant numberCountry
Medical Research Council (MRC, United Kingdom) United Kingdom
CitationJournal: J.Med.Chem. / Year: 2021
Title: High-Throughput Crystallography Reveals Boron-Containing Inhibitors of a Penicillin-Binding Protein with Di- and Tricovalent Binding Modes.
Authors: Newman, H. / Krajnc, A. / Bellini, D. / Eyermann, C.J. / Boyle, G.A. / Paterson, N.G. / McAuley, K.E. / Lesniak, R. / Gangar, M. / von Delft, F. / Brem, J. / Chibale, K. / Schofield, C.J. / Dowson, C.G.
History
DepositionNov 2, 2020Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 11, 2021Provider: repository / Type: Initial release
Revision 1.1Sep 22, 2021Group: Data collection / Database references
Category: citation / citation_author ...citation / citation_author / diffrn_source / pdbx_database_proc
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID / _diffrn_source.pdbx_synchrotron_site

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Peptidoglycan D,D-transpeptidase FtsI
hetero molecules


Theoretical massNumber of molelcules
Total (without water)58,3522
Polymers58,0271
Non-polymers3251
Water2,432135
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area0 Å2
ΔGint0 kcal/mol
Surface area21320 Å2
MethodPISA
Unit cell
Length a, b, c (Å)68.575, 82.676, 88.616
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Peptidoglycan D,D-transpeptidase FtsI / Penicillin-binding protein 3 / PBP-3


Mass: 58027.047 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pseudomonas aeruginosa (unknown)
Strain: ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1
Gene: ftsI, pbpB, PA4418 / Plasmid: pET47b / Production host: Escherichia coli BL21(DE3) (unknown)
References: UniProt: G3XD46, serine-type D-Ala-D-Ala carboxypeptidase
#2: Chemical ChemComp-S0Z / methyl (R)-2-(1-hydroxy-1,3-dihydrobenzo[c][1,2]oxaborole-6-carboxamido)-2-phenylacetate / methyl (2R)-2-[(1-oxidanyl-3H-2,1-benzoxaborol-6-yl)carbonylamino]-2-phenyl-ethanoate


Mass: 325.124 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C17H16BNO5
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 135 / 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: 2.16 Å3/Da / Density % sol: 43.18 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 6
Details: 25%(w/v) polyethylene glycol 3350, 0.1M Bis-Tris propane, 1%(w/v) protamine sulphate, pH 6

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: DIAMOND / Beamline: I04-1 / Wavelength: 0.91587 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jan 29, 2019 / Details: Mirrors
RadiationMonochromator: M / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.91587 Å / Relative weight: 1
ReflectionResolution: 2.17→60.45 Å / Num. obs: 27129 / % possible obs: 99.9 % / Redundancy: 8.8 % / CC1/2: 0.996 / Rmerge(I) obs: 0.189 / Rpim(I) all: 0.066 / Net I/σ(I): 8.2
Reflection shellResolution: 2.174→2.212 Å / Redundancy: 8.6 % / Rmerge(I) obs: 2.652 / Num. unique obs: 1341 / CC1/2: 0.452 / Rpim(I) all: 0.931 / % possible all: 99.9

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Processing

Software
NameVersionClassification
XDSJan 26, 2018data reduction
Aimless0.7.3data scaling
PHASER2.8.3phasing
REFMAC5.8.0258refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 6HZR
Resolution: 2.17→60.45 Å / Cor.coef. Fo:Fc: 0.958 / Cor.coef. Fo:Fc free: 0.926 / SU B: 8.456 / SU ML: 0.204 / Cross valid method: THROUGHOUT / ESU R: 0.266 / ESU R Free: 0.223
Details: Hydrogens have been added in their riding positions
RfactorNum. reflection% reflection
Rfree0.2619 1274 4.698 %
Rwork0.1985 25842 -
all0.201 --
obs-27116 99.838 %
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK BULK SOLVENT
Displacement parametersBiso mean: 50.686 Å2
Baniso -1Baniso -2Baniso -3
1-0.966 Å20 Å20 Å2
2--0.29 Å20 Å2
3----1.256 Å2
Refinement stepCycle: LAST / Resolution: 2.17→60.45 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3665 0 23 135 3823
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.0133784
X-RAY DIFFRACTIONr_bond_other_d0.0010.0173609
X-RAY DIFFRACTIONr_angle_refined_deg1.6391.6465139
X-RAY DIFFRACTIONr_angle_other_deg1.2831.5798339
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.6775481
X-RAY DIFFRACTIONr_dihedral_angle_2_deg30.04621.026195
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.58415624
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.8141534
X-RAY DIFFRACTIONr_chiral_restr0.0710.2490
X-RAY DIFFRACTIONr_gen_planes_refined0.0080.024342
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02796
X-RAY DIFFRACTIONr_nbd_refined0.2190.2802
X-RAY DIFFRACTIONr_symmetry_nbd_other0.1860.23585
X-RAY DIFFRACTIONr_nbtor_refined0.1650.21821
X-RAY DIFFRACTIONr_symmetry_nbtor_other0.080.21911
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1680.2146
X-RAY DIFFRACTIONr_symmetry_nbd_refined0.2120.214
X-RAY DIFFRACTIONr_nbd_other0.2350.253
X-RAY DIFFRACTIONr_symmetry_xyhbond_nbd_refined0.2330.217
X-RAY DIFFRACTIONr_xyhbond_nbd_other0.1080.21
X-RAY DIFFRACTIONr_mcbond_it4.8095.1011931
X-RAY DIFFRACTIONr_mcbond_other4.8045.0981929
X-RAY DIFFRACTIONr_mcangle_it6.9187.6232410
X-RAY DIFFRACTIONr_mcangle_other6.9217.6252411
X-RAY DIFFRACTIONr_scbond_it4.8935.7521853
X-RAY DIFFRACTIONr_scbond_other4.8925.7531854
X-RAY DIFFRACTIONr_scangle_it7.4488.4032729
X-RAY DIFFRACTIONr_scangle_other7.4478.4032730
X-RAY DIFFRACTIONr_lrange_it10.06160.8814131
X-RAY DIFFRACTIONr_lrange_other10.06260.914120
LS refinement shellResolution: 2.174→2.231 Å
RfactorNum. reflection% reflection
Rfree0.357 113 -
Rwork0.329 1854 -
obs--99.2432 %

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