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CRYSTAL STRUCTURE OF THE INHIBITOR ZK-807834 (CI-1031) COMPLEXED WITH FACTOR XA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1XKA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 8 295 Drop;
2 microliter,
12 mg/ml Factor Xa,
50 mM Tris pH 8.0, 75 mM NaCl
+ 2 microlter reservoir:
Reservoir;
15-21% PEG-1500 and 10mM CaCl2, VAPOR DIFFUSION, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.51 51.03
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.77 α = 90 b = 71.96 β = 90 c = 80.23 γ = 90
Symmetry Space Group P 21 21 21
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 QUANTUM 4 1999-11-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-2 SSRL BL9-2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 1.82 26.1 99.2 0.0557 12.6 3.5 104166 29450 -3 51.6
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.82 1.93 97.1 0.379 1.33 3.1 4727
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION DIRECT REPLACEMENT 1XKA 1.92 8 2 24059 22885 891 91.9 0.196 0.1894 0.256 0.2517 random 19.44
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] 0.136 4.32 -4.457
RMS Deviations Key Refinement Restraint Deviation x_angle_deg 1.976 x_improper_angle_d 1.777 x_bond_d 0.011 x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2236 Nucleic Acid Atoms Solvent Atoms 163 Heterogen Atoms 76
Software Software Software Name Purpose X-GEN data scaling X-GEN data reduction X-PLOR model building X-PLOR refinement X-PLOR phasing