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Structural analysis of mycobacterial branched chain aminotransferase- implications for inhibitor design
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EKF PDB ENTRY 1EKF
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5.5 300 0.4M Ammonium sulfate, 0.2M MES-HCl pH 5.5, 50% PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 300K
Crystal Properties Matthews coefficient Solvent content 2.3 46.57
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 59.9 α = 90 b = 88.05 β = 105.6 c = 73.17 γ = 90
Symmetry Space Group P 1 21 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 ADSC QUANTUM 4 2006-10-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 0.933 ESRF ID14-2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.2 37.32 98 0.072 0.086 13 3.1 36343 22.6
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.32 99.3 0.25 0.3 4.9 3.1 5342
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1EKF 2.2 25 36301 34494 1807 92.7 0.19 0.1901 0.24 0.1919 Random 20.8
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 c_mcangle_it 2 c_angle_d 1.3 c_mcbond_it 1.3 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5560 Nucleic Acid Atoms Solvent Atoms 342 Heterogen Atoms 22
Software Software Software Name Purpose DNA data collection MOLREP phasing CNS refinement MOSFLM data reduction SCALA data scaling