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The crystal structure of salt stable cowpea cholorotic mottle virus at 2.7 angstroms resolution.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CWP PDB ENTRY 1CWP
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 3.3 298 0.3M succinate, 4% PEG 8000, pH 3.3, VAPOR DIFFUSION, SITTING DROP, temperature 298K, pH 3.30
Crystal Properties Matthews coefficient Solvent content 3.83 68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 365.48 α = 90 b = 374.86 β = 90 c = 402.49 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 130 CCD ADSC QUANTUM 4 1999-09-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 14-BM-C APS 14-BM-C
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 2.7 50 84.6 0.09 12.1 3.9 1258085 -3 36.1
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) 2.7 2.75 55.9 0.406 1.9 1.8
Refinement Statistics Diffraction ID Structure Solution Method Starting model 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 Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1CWP 2.7 20 1201758 1201758 80.9 0.245 0.245 0.2432 NOT USED DUE TO HIGH LEVEL (60-FOLD) OF NON- CRYSTALLOGRAPHIC SYMMETRY 35.05
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] -0.129 -0.35 0.479
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 26.4 c_scangle_it 3.73 c_scbond_it 2.35 c_mcangle_it 2.31 c_angle_deg 1.4 c_mcbond_it 1.3 c_improper_angle_d 0.8 c_bond_d 0.007 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 26.4 c_scangle_it 3.73 c_scbond_it 2.35 c_mcangle_it 2.31 c_angle_deg 1.4 c_mcbond_it 1.3 c_improper_angle_d 0.8 c_bond_d 0.007 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3615 Nucleic Acid Atoms Solvent Atoms 126 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement PDB_EXTRACT data extraction GLRF phasing RAVE phasing CCP4 phasing