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Crystal structure of the M69V E166A double mutant of SHV-1 b-lactamase complexed to clavulanic acid
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1RCJ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 298 20% PEG 6000, 0.1M HEPES pH 7.0, 0.56mM Cymal-6. Crystal is soaked for 10 minutes in 50mM clavulanic acid prior to freezing and data collection., VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 1.99 38.05
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 49.68 α = 90 b = 55.2 β = 90 c = 83.49 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD NOIR-1 2004-09-30 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 4.2.2 1.46 ALS 4.2.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.6 19.91 95.1 0.094 9.8 4.8 31000 1 16.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.6 1.66 90.9 0.506 2.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1RCJ 1.6 18.53 31000 29420 2936 94.9 0.16 0.16 0.1799 0.199 0.2123 RANDOM 14.8
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] 1.09 -1.57 0.48
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.8 c_angle_deg 1.6 c_improper_angle_d 1.04 c_bond_d 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2054 Nucleic Acid Atoms Solvent Atoms 269 Heterogen Atoms 61
Software Software Software Name Purpose CNS refinement d*TREK data scaling CNS phasing