4CXQ

Mycobaterium tuberculosis transaminase BioA complexed with substrate KAPA


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3TFTPDB ENTRY 3TFT

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5293VAPOR DIFFUSION, HANGING DROP PROTEIN: 25 MM HEPES, 50 MM NACL, 0.1 MM TCEP RESERVOIR:10% PEG 8000, 0.1M MAGNESIUM CHLORIDE, 0.1M HEPES CRYO: 15% PEG 400 IN RESERVOIR SOLUTION, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K, PH 7.5
Crystal Properties
Matthews coefficientSolvent content
2.1943.78

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.553α = 90
b = 66.149β = 90
c = 205.294γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2013-03-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-IDAPS17-ID

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
11.898.998.90.0816.66.579062219.6
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)
11.81.8198.30.4346.5

Refinement

Statistics
Diffraction IDStructure Solution 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 REPLACEMENTPDB ENTRY 3TFT1.840.551.3579008395698.850.15690.15490.195
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_d13.344
f_angle_d1.104
f_chiral_restr0.044
f_bond_d0.007
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6379
Nucleic Acid Atoms
Solvent Atoms526
Heterogen Atoms82

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
SCALAdata scaling
PHASERphasing