8CZP

2.25 angstrom resolution crystal structure of as-isolated KatG from Mycobacterium tuberculosis with an MYW cofactor


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.52956% PEG4000, 0.1M NA ACETATE, 0.17MM N-DODECYL-B-D-MALTOSIDE PROTEIN CONCENTRATION OF 15 mg/ml.
Crystal Properties
Matthews coefficientSolvent content
2.7354.89

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 150.699α = 90
b = 150.699β = 90
c = 155.491γ = 90
Symmetry
Space GroupP 42 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210r2022-01-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-BM0.97946APS19-BM

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)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
12.255098.20.1990.2230.0993.64.98364130.15
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.252.2999.30.9821.1090.5020.324.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1SJ22.2537.6751.3683580201098.150.24120.24010.283426.5238
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
f_dihedral_angle_d15.928
f_angle_d1.046
f_chiral_restr0.059
f_bond_d0.011
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms11058
Nucleic Acid Atoms
Solvent Atoms608
Heterogen Atoms94

Software

Software
Software NamePurpose
PHENIXrefinement
DENZOdata reduction
SCALEPACKdata scaling
PDB_EXTRACTdata extraction
PHASERphasing