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Rapid development of two Factor IXa inhibitors from Hit to Lead
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1RFN
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 9.5 295 0.05 M Tris, pH 7.2, 1.2 M ammonium sulfate, 2.0 M sodium chloride
Crystal Properties Matthews coefficient Solvent content 2.75 55.31
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 98.911 α = 90 b = 98.911 β = 90 c = 94.61 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 95 PIXEL DECTRIS PILATUS 6M 2011-07-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 17-ID 1.00000 APS 17-ID
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 1.407 41.41 99.2 0.044 18.5 5.1 66410 20.48
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 1.407 1.412 97.1 0.593 2.5 5.1
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 (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1RFN 1.41 20.64 65993 3271 99.2 0.146 0.145 0.1438 0.161 0.1562 RANDOM 26.65
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] 0.1127 0.1127 -0.2254
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 13.85 t_omega_torsion 4.61 t_angle_deg 1.11 t_bond_d 0.01 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 13.85 t_omega_torsion 4.61 t_angle_deg 1.11 t_bond_d 0.01 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2267 Nucleic Acid Atoms Solvent Atoms 335 Heterogen Atoms 42
Software Software Software Name Purpose BUSTER refinement MOLREP phasing XDS data reduction SCALA data scaling