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Crystal structure of the cubic catalytic core of the Mycobacterium tuberculosis branched-chain alphaketoacid acyltransferase component (E2b).
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3L60
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 291 0.1 M imidazole pH 6.5, 4 M ammonium acetate
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 214.073 α = 90 b = 214.073 β = 90 c = 214.073 γ = 90
Symmetry Space Group F 4 3 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 PIXEL DECTRIS PILATUS3 2M 2018-05-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE MASSIF-1 0.966 ESRF MASSIF-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) Rpim I (All) CC (Half) 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 1.5 49.112 100 0.023 0.999 15.2 17.2 67274
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.5 1.526 0.391 0.748
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 3L60 1.5 49.11 67274 3413 100 0.1899 0.1897 0.1824 0.1934 0.1844 RANDOM 28.74
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 t_other_torsion 13.45 t_omega_torsion 3.78 t_angle_deg 0.93 t_bond_d 0.008 t_dihedral_angle_d t_gen_planes t_it t_chiral_improper_torsion t_utility_distance t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1668 Nucleic Acid Atoms Solvent Atoms 337 Heterogen Atoms 13
Software Software Software Name Purpose BUSTER refinement XDS data reduction Aimless data scaling PHASER phasing