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Crystal Structure of Mycobacterium Tuberculosis Proteasome at 2.2 A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2FHG PDB entry 2FHG
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5.7 277 13.2% PEG 6000, 60mM sodium citrate, pH 5.7, VAPOR DIFFUSION, SITTING DROP, temperature 277.0K
Crystal Properties Matthews coefficient Solvent content 2.48 50.43
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 170.374 α = 90 b = 118.436 β = 113.02 c = 195.249 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 2008-10-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X29A 1.0809 NSLS X29A
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 2.1 25 94.3 0.117 9.7 4.6 378907 362039 14
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) 2.1 2.18 82.7 0.641 1.4 2.6 33082
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-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 MOLECULAR REPLACEMENT THROUGHOUT PDB entry 2FHG 2.2 24.95 361323 332584 16559 92 0.225 0.205 0.205 0.2049 0.234 0.2339 RANDOM 40.5
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] 2.92 0.27 -2.97 0.06
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 26.3 c_angle_deg 1.6 c_improper_angle_d 1.34 c_bond_d 0.014 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 26.3 c_angle_deg 1.6 c_improper_angle_d 1.34 c_bond_d 0.014 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 46505 Nucleic Acid Atoms Solvent Atoms 2680 Heterogen Atoms 895
Software Software Software Name Purpose HKL-2000 data collection CNS refinement HKL-2000 data reduction HKL-2000 data scaling CNS phasing