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Functional and Structural Analyses of N-Acylsulfonamide-Linked Dinucleoside Inhibitors of 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 25 % PEG 4000, 20 MM NA CITRATE PH 5.0
Crystal Properties Matthews coefficient Solvent content 2.17 44
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 100.787 α = 90 b = 33.146 β = 90.94 c = 72.748 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 MIRRORS 2004-12-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SRS BEAMLINE PX9.6 SRS PX9.6
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 1.72 50 98 0.06 17.23 3.1 26200 18.12
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 1.72 1.78 92.7 0.19 5.7 2.9
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 1.72 72.74 24356 1310 98.36 0.21693 0.21541 0.211 0.24551 RANDOM 17.889
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] 0.17 0.17 0.13 -0.3
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.437 r_dihedral_angle_3_deg 11.872 r_dihedral_angle_4_deg 8.834 r_dihedral_angle_1_deg 5.35 r_scangle_it 1.732 r_scbond_it 1.034 r_angle_refined_deg 1.006 r_mcangle_it 0.85 r_mcbond_it 0.451 r_chiral_restr 0.062
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.437 r_dihedral_angle_3_deg 11.872 r_dihedral_angle_4_deg 8.834 r_dihedral_angle_1_deg 5.35 r_scangle_it 1.732 r_scbond_it 1.034 r_angle_refined_deg 1.006 r_mcangle_it 0.85 r_mcbond_it 0.451 r_chiral_restr 0.062 r_bond_refined_d 0.006 r_gen_planes_refined 0.003 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1877 Nucleic Acid Atoms Solvent Atoms 283 Heterogen Atoms 49
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling MOLREP phasing