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Structure of bovine pancreatic Ribonuclease A in complex with 3'-phosphothymidine (3'-5')-pyrophosphate adenosine 3'-phosphate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1QHC PDB ENTRY 1QHC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 298 27% PEG 4000, 20 mM sodium citrate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.187 41.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 31.086 α = 90 b = 75.861 β = 106.31 c = 51.821 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 x-ray 298 CCD Nonius Kappa CCD 2003-10-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SEALED TUBE OTHER
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 19.6 0.092 16.1 15654 14950 12
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2 2.13 91.3
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 (All) 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 1QHC 2 17.73 15654 14938 1459 95.5 0.218 0.218 0.218 0.2178 0.258 0.2581 RANDOM 28.4
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] 5.71 2.38 -3.44 -2.27
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.4 c_angle_deg 1.3 c_improper_angle_d 0.86 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1902 Nucleic Acid Atoms Solvent Atoms 72 Heterogen Atoms 102
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling CNS phasing