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REFINEMENT OF THE CRYSTAL STRUCTURE OF RIBONUCLEASE S. COMPARISON WITH AND BETWEEN THE VARIOUS RIBONUCLEASE A STRUCTURES
Crystallization Crystal Properties Matthews coefficient Solvent content 2.03 39.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 44.45 α = 90 b = 44.45 β = 90 c = 97.6 γ = 120
Symmetry Space Group P 31 2 1
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION 1.6 8 4 14520 0.186 0.186
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]
RMS Deviations Key Refinement Restraint Deviation x_angle_deg 2.79 x_bond_d 0.013 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d
RMS Deviations Key Refinement Restraint Deviation x_angle_deg 2.79 x_bond_d 0.013 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d x_improper_angle_d_na x_improper_angle_d_prot x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 935 Nucleic Acid Atoms Solvent Atoms 70 Heterogen Atoms 5
Software Software Software Name Purpose PROLSQ refinement PROFFT refinement X-PLOR refinement X-PLOR model building X-PLOR phasing