4R3B

Crystal structure of SHV-1 b-lactamase in complex with 6b-(hydroxymethyl)penicillanic acid sulfone PSR-283A


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP29321-30% PEG6000, 0.1M HEPES pH 6.2-8.2, 0.56mM Cymal-6, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
1.9938.13

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 49.238α = 90
b = 55.274β = 90
c = 84.465γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCD2010-01-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-20.9795SSRLBL9-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.3665098.60.03528.33.5469884633111
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.3661.4294.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT1.36627.7346331247098.480.132420.130320.17213RANDOM16.951
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
0.070.01-0.09
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.735
r_sphericity_free22.022
r_dihedral_angle_4_deg20.16
r_dihedral_angle_3_deg13.431
r_scangle_it12.557
r_sphericity_bonded11.366
r_scbond_it9.864
r_dihedral_angle_1_deg5.94
r_rigid_bond_restr5.896
r_mcangle_it5.624
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.735
r_sphericity_free22.022
r_dihedral_angle_4_deg20.16
r_dihedral_angle_3_deg13.431
r_scangle_it12.557
r_sphericity_bonded11.366
r_scbond_it9.864
r_dihedral_angle_1_deg5.94
r_rigid_bond_restr5.896
r_mcangle_it5.624
r_mcbond_it4.468
r_angle_refined_deg1.359
r_chiral_restr0.089
r_bond_refined_d0.01
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2024
Nucleic Acid Atoms
Solvent Atoms269
Heterogen Atoms61

Software

Software
Software NamePurpose
HKL-2000data collection
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling