3SAD

Crystal structure of Mycobacterium tuberculosis malate synthase in complex with 4-(2-mehtylphenyl)-2,4-dioxobutanoic acid inhibitor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1N8Ipdb entry 1N8I

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP829020% PEG 3350, 0.1 M magnesium chloride, 0.1 M TRIS-HCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
2.0840.98

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 77.737α = 90
b = 77.737β = 90
c = 221.986γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray120CCDADSC QUANTUM 3152008-02-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.97935APS19-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.6244.131006.49.78731487314
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.621.6825.3

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISpdb entry 1N8I1.8244.1251.348731462029314899.980.17290.17040.2196
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]
-3.0996-3.09966.1993
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.024
f_angle_d1.013
f_chiral_restr0.069
f_plane_restr0.008
f_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5431
Nucleic Acid Atoms
Solvent Atoms641
Heterogen Atoms18

Software

Software
Software NamePurpose
PHENIXrefinement
REFMACrefinement
PHENIXmodel building
BUSTERrefinement
HKL-2000data reduction
HKL-2000data scaling
REFMACphasing
PHENIXphasing
HKL-2000data collection