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COMPARISON OF TWO INDEPENDENTLY REFINED MODELS OF RIBONUCLEASE-A
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Crystallization Crystal Properties Matthews coefficient Solvent content 2.17 43.25
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 30.18 α = 90 b = 38.4 β = 105.85 c = 53.32 γ = 90
Symmetry Space Group P 1 21 1
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) 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 2 10 7708 95.6 0.159 0.1614 NEUTRON DIFFRACTION 2 4132 51 0.183
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 o_bond_d 0.023 o_bond_d_na o_bond_d_prot o_angle_d o_angle_d_na o_angle_d_prot o_angle_deg o_angle_deg_na o_angle_deg_prot o_dihedral_angle_d
RMS Deviations Key Refinement Restraint Deviation o_bond_d 0.023 o_bond_d_na o_bond_d_prot o_angle_d o_angle_d_na o_angle_d_prot o_angle_deg o_angle_deg_na o_angle_deg_prot o_dihedral_angle_d o_dihedral_angle_d_na o_dihedral_angle_d_prot o_improper_angle_d o_improper_angle_d_na o_improper_angle_d_prot o_mcbond_it o_mcangle_it o_scbond_it o_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 951 Nucleic Acid Atoms Solvent Atoms 128 Heterogen Atoms 5