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Structure of Mycobacterium tuberculosis extracytoplasmic function sigma factor SigK in complex with the cytosolic domain of its cognate anti-sigma factor RskA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 Microbatch underoil 7.5 295 0.1M HEPES, 1M sodium acetate trihydrate, 0.05M cadmium sulphate hydrate, 12%(v/v) 2,5 hexanediol, pH 7.5, Microbatch underoil, temperature 295K
Crystal Properties Matthews coefficient Solvent content 1.97 37.57
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 57.39 α = 90 b = 57.39 β = 90 c = 150.87 γ = 90
Symmetry Space Group P 41 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE MAR scanner 345 mm plate 2010-01-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5418
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 2.4 28.695 0.093 20.1 14.8 9753 9747
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 2.4 2.53 100 0.339 8.1 1480
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SAD THROUGHOUT 2.4 28.69 8305 916 87.82 0.21018 0.20463 0.25986 0.2552 RANDOM 32.018
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] 0.05 0.05 -0.1
RMS Deviations Key Refinement Restraint Deviation r_sphericity_free 33.799 r_dihedral_angle_2_deg 29.253 r_dihedral_angle_3_deg 16.172 r_sphericity_bonded 12.088 r_dihedral_angle_4_deg 11.957 r_dihedral_angle_1_deg 4.052 r_rigid_bond_restr 1.602 r_angle_refined_deg 0.842 r_angle_other_deg 0.727 r_chiral_restr 0.046
RMS Deviations Key Refinement Restraint Deviation r_sphericity_free 33.799 r_dihedral_angle_2_deg 29.253 r_dihedral_angle_3_deg 16.172 r_sphericity_bonded 12.088 r_dihedral_angle_4_deg 11.957 r_dihedral_angle_1_deg 4.052 r_rigid_bond_restr 1.602 r_angle_refined_deg 0.842 r_angle_other_deg 0.727 r_chiral_restr 0.046 r_bond_refined_d 0.005 r_gen_planes_refined 0.003 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1740 Nucleic Acid Atoms Solvent Atoms 89 Heterogen Atoms 10
Software Software Software Name Purpose MAR345dtb data collection SOLVE phasing REFMAC refinement MOSFLM data reduction SCALA data scaling