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Crystal structure of N23PP/S148A mutant of E. coli dihydrofolate reductase
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 277 0.2 M calcium acetate, 0.1 M HEPES, 40% v/v PEG 400, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.62 66.02
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 79.662 α = 90 b = 79.662 β = 90 c = 71.464 γ = 120
Symmetry Space Group P 32 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 80 CCD MARMOSAIC 300 mm CCD 2010-03-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 1.033 APS 23-ID-D
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 1.6 50 99.6 35695 35547
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.6 1.642 97.6
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 1.6 49.63 31133 1639 93.71 0.21029 0.20849 0.2279 0.24534 0.2597 RANDOM 14.373
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] 0.28 0.14 0.28 -0.42
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.153 r_dihedral_angle_4_deg 14.257 r_dihedral_angle_3_deg 13.266 r_dihedral_angle_1_deg 5.334 r_scangle_it 3.082 r_scbond_it 1.889 r_angle_refined_deg 1.539 r_mcangle_it 1.075 r_angle_other_deg 0.886 r_mcbond_it 0.589
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.153 r_dihedral_angle_4_deg 14.257 r_dihedral_angle_3_deg 13.266 r_dihedral_angle_1_deg 5.334 r_scangle_it 3.082 r_scbond_it 1.889 r_angle_refined_deg 1.539 r_mcangle_it 1.075 r_angle_other_deg 0.886 r_mcbond_it 0.589 r_mcbond_other 0.17 r_chiral_restr 0.086 r_bond_refined_d 0.011 r_gen_planes_refined 0.007 r_bond_other_d 0.002 r_gen_planes_other 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1273 Nucleic Acid Atoms Solvent Atoms 199 Heterogen Atoms 83
Software Software Software Name Purpose Blu-Ice data collection PHASER phasing REFMAC refinement HKL-2000 data reduction XPREP data reduction