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Crystal Structure of the Class A beta-lactamase SED-G238C mutant from Citrobacter sedlakii
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1BZA PDB ENTRY 1BZA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 291 35% PEG MME 2000, 200mM KSCN, 100mM sodium cacodylate pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.66 53.8
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 187.642 α = 90 b = 73.2 β = 121.89 c = 103.893 γ = 90
Symmetry Space Group C 1 2 1
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 MARRESEARCH 2002-07-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM14 0.97887 ESRF BM14
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 2 16.7 99.3 0.102 8.7 3.5 80352 80352
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 2 2.11 96.4 0.33 2 2.3 11334
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 PDB ENTRY 1BZA 2 16.7 80350 74682 5668 99.3 0.188 0.183 0.1738 0.214 0.2052 RANDOM 16.92
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] -2.6 -0.84 0.7 1.91
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23 c_angle_deg 1.3 c_improper_angle_d 0.83 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7980 Nucleic Acid Atoms Solvent Atoms 1019 Heterogen Atoms 20
Software Software Software Name Purpose MOSFLM data reduction MOLREP phasing CNS refinement SCALA data scaling