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A structure-based mechanism of SARS virus membrane fusion
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.4 298 PEG 8000, zinc acetate, sodium cacodylate, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.1 41.1
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 31.054 α = 81.26 b = 55.565 β = 87.08 c = 71.678 γ = 84.1
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 ADSC QUANTUM 4 2004-09-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X4A 0.9788 NSLS X4A
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 1.94 70.7 94.5 0.055 11.1 2.5 32684 32684
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 1.95 2.02 94.8 0.387 3.1 2.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 1.94 70.71 32682 31031 1651 93.87 0.20699 0.2032 0.2043 0.27427 0.269 RANDOM 17.134
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] 1.34 1.91 2.05 0.42 0.79 -2.6
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 6.024 r_dihedral_angle_1_deg 5.737 r_scbond_it 4.043 r_angle_refined_deg 2.264 r_mcangle_it 2.151 r_mcbond_it 1.365 r_symmetry_vdw_refined 0.356 r_metal_ion_refined 0.343 r_symmetry_hbond_refined 0.335 r_nbd_refined 0.243
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 6.024 r_dihedral_angle_1_deg 5.737 r_scbond_it 4.043 r_angle_refined_deg 2.264 r_mcangle_it 2.151 r_mcbond_it 1.365 r_symmetry_vdw_refined 0.356 r_metal_ion_refined 0.343 r_symmetry_hbond_refined 0.335 r_nbd_refined 0.243 r_xyhbond_nbd_refined 0.214 r_chiral_restr 0.167 r_bond_refined_d 0.033 r_gen_planes_refined 0.011 r_bond_other_d r_angle_other_deg r_dihedral_angle_2_deg r_dihedral_angle_3_deg r_dihedral_angle_4_deg r_gen_planes_other r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_other r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3668 Nucleic Acid Atoms Solvent Atoms 176 Heterogen Atoms 17
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling PHASER phasing