3MKA

Crystal Structure of Mycobacterium Tuberculosis Proteasome with propetide and an T1A mutation at beta-subunit


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.727760 mM sodium citrate (pH 5.7), 100 mM Glycine, and 14% PEG 6000, 100mM NaCl, VAPOR DIFFUSION, SITTING DROP, temperature 277.0K
2VAPOR DIFFUSION, SITTING DROP5.829460 mM sodium citrate (pH 5.8), 100 mM Glycine, and 14% PEG 6000, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 173.927α = 90
b = 115.42β = 112.89
c = 199.576γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152009-09-06MSINGLE WAVELENGTH
21x-ray100CCDADSC QUANTUM 3152009-10-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X251.000NSLSX25
2SYNCHROTRONNSLS BEAMLINE X251.000NSLSX25

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
1,22.53594.30.14414.68.623394321993157.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.52.5975.90.4051.562.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 2FHG2.5129.772338742196071180093.90.2170.2170.247RANDOM83.3
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
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.3
c_angle_deg1.7
c_improper_angle_d1.31
c_bond_d0.016
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
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.3
c_angle_deg1.7
c_improper_angle_d1.31
c_bond_d0.016
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 AtomsNumber
Protein Atoms49700
Nucleic Acid Atoms
Solvent Atoms101
Heterogen Atoms

Software

Software
Software NamePurpose
CBASSdata collection
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
CNSphasing