4N8Q

Alternative substrates of Mycobacterium tuberculosis anthranilate phosphoribosyl transferase


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3QR9PDB ENTRY 3QR9

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP82910.1 M imidazole/malate, 7.5% PEG4000, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.856.09

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 79.587α = 90
b = 90.998β = 90
c = 120.039γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2010-02-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAUSTRALIAN SYNCHROTRON BEAMLINE MX20.95365Australian SynchrotronMX2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
12.08120.0391000.0770.07717.27.25282352823-333.7
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.082.21000.4820.4821.57.47586

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 3QR92.0872.524.15282352750266799.950.480.19910.19730.2344RANDOM33.6265
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]
-2.22.21-0.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.944
r_dihedral_angle_4_deg19.343
r_dihedral_angle_3_deg14.669
r_dihedral_angle_1_deg5.875
r_scangle_it4.187
r_scbond_it2.56
r_mcangle_it1.755
r_angle_refined_deg1.476
r_mcbond_it0.971
r_chiral_restr0.098
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.944
r_dihedral_angle_4_deg19.343
r_dihedral_angle_3_deg14.669
r_dihedral_angle_1_deg5.875
r_scangle_it4.187
r_scbond_it2.56
r_mcangle_it1.755
r_angle_refined_deg1.476
r_mcbond_it0.971
r_chiral_restr0.098
r_bond_refined_d0.015
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5004
Nucleic Acid Atoms
Solvent Atoms294
Heterogen Atoms22

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
DNAdata collection