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Crystal structure of Peptidyl-tRNA hydrolase from Mycobacterium tuberculosis
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2PTH PDB ENTRY 2PTH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 MICROBATCH 6.6 298 25%(w/v) PEG 8000, 100mm Na cacodylate, 5%(v/v) 2-propanol, pH 6.6, Microbatch, temperature 298K
Crystal Properties Matthews coefficient Solvent content 1.93 36.12
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 35.823 α = 90 b = 73.763 β = 92.35 c = 59.791 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 IMAGE PLATE MAR scanner 345 mm plate 2006-03-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.35 30 96.8 0.118 9.05 2.9 12613 21.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.35 2.43 95.4 0.411 2.7 1236
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 PDB ENTRY 2PTH 2.35 22.49 12613 647 96.7 0.196 0.196 0.1962 0.248 0.25 RANDOM 23.7
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] -5.18 1.37 -2.48 7.65
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24 c_scangle_it 2.49 c_scbond_it 1.73 c_mcangle_it 1.57 c_angle_deg 1.4 c_mcbond_it 1.01 c_improper_angle_d 0.94 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2699 Nucleic Acid Atoms Solvent Atoms 318 Heterogen Atoms
Software Software Software Name Purpose CNS refinement HKL-2000 data collection DENZO data reduction SCALEPACK data scaling PHASER phasing