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Crystal Structure of Ketosteroid Isomerase from Pseudomonas putida (pKSI) bound to Equilenin; D40N, Y16(Cl-Y)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.2 298 1.1-1.4M ammonium sulfate, 40mM potassium phosphate, 3-6% isopropanol
Crystal Properties Matthews coefficient Solvent content 2.48 50.43
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 50.42 α = 79.73 b = 55.59 β = 89.77 c = 55.57 γ = 89.79
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 315r 2014-04-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL7-1 1.12709 SSRL BL7-1
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 1.218 24.071 89.2 0.052 17.5 5.2 158414
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION FREE R-VALUE 1.218 24.071 1.97 158401 7944 89.14 0.1673 0.1663 0.1664 0.1854 0.185 17.2053
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 f_dihedral_angle_d 17.545 f_angle_d 1.314 f_chiral_restr 0.103 f_bond_d 0.013 f_plane_restr 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3871 Nucleic Acid Atoms Solvent Atoms 699 Heterogen Atoms 90
Software Software Software Name Purpose PHENIX refinement SCALA data scaling PHASER phasing