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Crystal structure of 3-ketosteroid-9-alpha-hydroxylase (KshA) from M. tuberculosis in complex with 4-androstene-3,17-dione
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 294 500 mM NaH2PO4, 125 mM K2HPO4, 4% PEG- 1000, 20 mM Tris, 100 mM phosphate-citrate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties Matthews coefficient Solvent content 3.53 65.14
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 115.8 α = 90 b = 115.8 β = 90 c = 80.81 γ = 120
Symmetry Space Group P 3 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 RAYONIX MX300HE mirrors 2012-02-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CLSI BEAMLINE 08B1-1 0.92 CLSI 08B1-1
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 2.46 47.066 100 0.153 13.77 223837 23062 -3 50.347
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 2.46 2.52 99.9 0.018 1.61
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) 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 2.46 47.07 223837 23062 1154 99.95 0.1799 0.177 0.1825 0.2353 0.2392 RANDOM 47.076
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] -0.65 -0.32 -0.65 2.1
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.472 r_dihedral_angle_4_deg 15.818 r_dihedral_angle_3_deg 13.527 r_dihedral_angle_1_deg 6.457 r_mcangle_it 5.944 r_mcbond_it 4.213 r_mcbond_other 4.205 r_angle_refined_deg 1.264 r_angle_other_deg 0.715 r_chiral_restr 0.068
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.472 r_dihedral_angle_4_deg 15.818 r_dihedral_angle_3_deg 13.527 r_dihedral_angle_1_deg 6.457 r_mcangle_it 5.944 r_mcbond_it 4.213 r_mcbond_other 4.205 r_angle_refined_deg 1.264 r_angle_other_deg 0.715 r_chiral_restr 0.068 r_bond_refined_d 0.007 r_gen_planes_refined 0.004 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2900 Nucleic Acid Atoms Solvent Atoms 128 Heterogen Atoms 31
Software Software Software Name Purpose XSCALE data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction