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Neutron crystal structure analysis of bovine pancreatic ribonuclease A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1KF4 PDB ENTRY 1KF4
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.2 298 50% tert-butyl alcohol, temperature 298K, then the crystal was soaked in heavy water solution, PH6.2, for two months, BATCH
Crystal Properties Matthews coefficient Solvent content 2.2 42
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 30.38 α = 90 b = 38.558 β = 105.78 c = 53.398 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 neutron 298 IMAGE PLATE MACSCIENCE 2005-08-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 NUCLEAR REACTOR JRR-3M BEAMLINE 1G-B 2.6 JRR-3M 1G-B
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 1.4 80 64 0.086 8.4 2.1 15039 15039 11.2
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 1.4 1.45 19.5 0.21 3.07
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1KF4 1.7 30.84 15029 15029 750 63.9 0.195 0.195 0.238 RANDOM 14.4
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] 1.19 -0.32 -0.25 -0.94
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.1 c_scangle_it 2.91 c_scbond_it 1.85 c_mcangle_it 1.82 c_mcbond_it 1.32 c_improper_angle_d 1.26 c_angle_deg 1.2 c_bond_d 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 951 Nucleic Acid Atoms Solvent Atoms 92 Heterogen Atoms
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling CNS phasing