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Crystal Structure of Nuclease Domain of Ribonuclase III from Mycobacterium Tuberculosis
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 291 15% PEG 3000, 100 mM Ca-acetate, 100 mM Tris-HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.5 50.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 72.589 α = 90 b = 72.589 β = 90 c = 96.013 γ = 90
Symmetry Space Group P 43 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 CCD ADSC QUANTUM 4 2002-09-20 M MAD 2 1 x-ray CCD ADSC QUANTUM 4 2003-08-04 M SINGLE WAVELENGTH 1,2 1
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 0.9793, 1.000, 1.100 ALS 8.3.1
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 2.1 50 99.1 0.049 28 4.6 15593 15508
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 2.1 2.18 99.6 99.6 0.252 5 4.7
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 (All) 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 MAD THROUGHOUT 2.1 50 15593 15447 774 99.1 0.286 0.286 0.2585 0.2588 0.2857 0.285 RANDOM 56.844
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] -3.355 -3.355 6.71
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 7.726 c_scbond_it 5.729 c_mcangle_it 5.215 c_mcbond_it 3.72 c_angle_deg 1.4 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1158 Nucleic Acid Atoms Solvent Atoms 161 Heterogen Atoms 2
Software Software Software Name Purpose Blu-Ice data collection DENZO data reduction SCALEPACK data scaling SOLVE phasing CNS refinement