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Electrostatics of Active Site Microenvironments for E. coli DHFR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 293 50 mM calcium acetate, 34% Peg 400, 100 mM Hepes, pH 6.5
Crystal Properties Matthews coefficient Solvent content 1.99 38.34
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 34.132 α = 90 b = 42.65 β = 90 c = 98.586 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 ADSC QUANTUM 210 2013-06-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE A1 0.978 CHESS A1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.26 49.29 95.9 15.4 5.1 6821
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) 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 2.26 25 6821 320 95.13 0.194 0.1911 0.1936 0.2506 0.2503 RANDOM 25.54
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] -0.37 0.78 -0.4
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.282 r_dihedral_angle_3_deg 17.329 r_dihedral_angle_4_deg 10.783 r_dihedral_angle_1_deg 5.79 r_scangle_it 3.658 r_scbond_it 2.21 r_mcangle_it 1.623 r_angle_refined_deg 1.593 r_angle_other_deg 1.107 r_mcbond_it 0.863
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.282 r_dihedral_angle_3_deg 17.329 r_dihedral_angle_4_deg 10.783 r_dihedral_angle_1_deg 5.79 r_scangle_it 3.658 r_scbond_it 2.21 r_mcangle_it 1.623 r_angle_refined_deg 1.593 r_angle_other_deg 1.107 r_mcbond_it 0.863 r_mcbond_other 0.148 r_chiral_restr 0.099 r_bond_refined_d 0.016 r_gen_planes_refined 0.008 r_bond_other_d 0.005 r_gen_planes_other 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1234 Nucleic Acid Atoms Solvent Atoms 39 Heterogen Atoms 91
Software Software Software Name Purpose ADSC data collection HKL-2000 data scaling REFMAC refinement PDB_EXTRACT data extraction MOLREP phasing