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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 8.5 298 PEG MME 2000, Nickel chloride, Tris-HCL, pH 8.50, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.1 41.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 43.65 α = 90 b = 90.213 β = 90 c = 42.256 γ = 90
Symmetry Space Group C 2 2 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 4 2003-09-12 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X4A 1.0055,,0.9200, 0.9203, 0.9102 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 1.7 45.2 99.9 0.063 16.5 7 9539 24
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 1.7 1.76 99.9 0.382 5.7 7.1
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 1.7 45.2 9535 9076 459 99.7 0.211 0.209 0.258 0.2936 RANDOM 15.94
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] -0.36 0.19 0.17
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 5.31 r_dihedral_angle_1_deg 4.492 r_scbond_it 3.01 r_angle_refined_deg 1.564 r_mcangle_it 1.489 r_mcbond_it 0.787 r_nbd_refined 0.214 r_symmetry_vdw_refined 0.198 r_xyhbond_nbd_refined 0.161 r_symmetry_hbond_refined 0.114
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 5.31 r_dihedral_angle_1_deg 4.492 r_scbond_it 3.01 r_angle_refined_deg 1.564 r_mcangle_it 1.489 r_mcbond_it 0.787 r_nbd_refined 0.214 r_symmetry_vdw_refined 0.198 r_xyhbond_nbd_refined 0.161 r_symmetry_hbond_refined 0.114 r_chiral_restr 0.099 r_bond_refined_d 0.015 r_gen_planes_refined 0.006 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_refined 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 551 Nucleic Acid Atoms Solvent Atoms 73 Heterogen Atoms 1
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling SOLVE phasing