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Binding of Nonnatural 3'-Nucleotides to Ribonuclease A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1AFU PDB ENTRY 1AFU
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.5 20MM SODIUM CITRATE BUFFER, PH5.5, PEG 4000 (25% W/V), pH 5.50
Crystal Properties Matthews coefficient Solvent content 1.2 37.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 99.819 α = 90 b = 32.556 β = 90.25 c = 72.467 γ = 90
Symmetry Space Group C 1 2 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 CCD 2004-02-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SRS BEAMLINE PX14.1 SRS PX14.1
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 1.6 50 89.9 0.08 10.8 3.3 30191 26.1
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) 1 1.6 1.66 88.5 0.51 1.8 2.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 THROUGHOUT PDB ENTRY 1AFU 1.6 22.18 26447 1290 86.4 0.232 0.232 0.2349 0.248 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] -1.81 1.58 -2.47 4.28
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.2 c_angle_deg 1.3 c_improper_angle_d 0.96 c_bond_d 0.008 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.2 c_angle_deg 1.3 c_improper_angle_d 0.96 c_bond_d 0.008 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 c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1902 Nucleic Acid Atoms Solvent Atoms 200 Heterogen Atoms 21
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction HKL-2000 data scaling