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High-pressure Crystal Structure Analysis of M20 loop closed DHFR at 400 MPa
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 277 PEG 400, CaCl, imidazole buffer
Crystal Properties Matthews coefficient Solvent content 2.04 39.64
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 34.06 α = 90 b = 44.53 β = 90 c = 97.984 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 297 CCD ADSC QUANTUM 315r 2016-02-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AichiSR BEAMLINE BL2S1 0.75 AichiSR BL2S1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 1.8 48.99 99 0.082 14.5 5.2 14269
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.8 1.84 0.508
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION FREE R-VALUE 1.802 48.99 1.36 14178 694 98.53 0.183 0.1814 0.2143 0.2132
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 7.82 f_angle_d 1.15 f_chiral_restr 0.062 f_bond_d 0.007 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1282 Nucleic Acid Atoms Solvent Atoms 134 Heterogen Atoms 80
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling MOLREP phasing