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Mutation of Asn28 disrupts the enzymatic activity and dimerization of SARS 3CLpro
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2BX4 PDB entry 2BX4
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 298 1.0 M sodium malonate (pH 7.0), 5-6% isopropanol, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 1.94 36.54
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 105.875 α = 90 b = 44.823 β = 90 c = 54.172 γ = 90
Symmetry Space Group P 21 21 2
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 2007-06-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X6A 0.9537 NSLS X6A
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 2.35 50 99.9 0.073 5.3 11284
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) 2.35 2.43 99.6 0.578 4.4 1076
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 PDB entry 2BX4 2.35 37.85 11249 537 99.73 0.218 0.214 0.2465 0.277 0.3025 RANDOM 30.282
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] 0.55 -0.36 -0.19
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.824 r_dihedral_angle_3_deg 16.013 r_dihedral_angle_4_deg 10.776 r_dihedral_angle_1_deg 6.185 r_scangle_it 1.51 r_angle_refined_deg 1.123 r_scbond_it 0.953 r_mcangle_it 0.721 r_mcbond_it 0.43 r_nbtor_refined 0.302
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.824 r_dihedral_angle_3_deg 16.013 r_dihedral_angle_4_deg 10.776 r_dihedral_angle_1_deg 6.185 r_scangle_it 1.51 r_angle_refined_deg 1.123 r_scbond_it 0.953 r_mcangle_it 0.721 r_mcbond_it 0.43 r_nbtor_refined 0.302 r_nbd_refined 0.191 r_symmetry_vdw_refined 0.183 r_symmetry_hbond_refined 0.156 r_xyhbond_nbd_refined 0.14 r_chiral_restr 0.075 r_bond_refined_d 0.009 r_gen_planes_refined 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2294 Nucleic Acid Atoms Solvent Atoms 78 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction ADSC data collection AMoRE phasing