3TKF

1.5 Angstrom Resolution Crystal Structure of K135M Mutant of Transaldolase B (TalA) from Francisella tularensis in Complex with Sedoheptulose 7-phosphate.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3TE9 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.5295Protein:9.4mG/mL, 0.5M Sodium chloride, 0.1M TRIS-HCl (pH 8.3), 0.015M Sedoheptulose 7-phosphate; Screen: PEG's (B6), 0.1M HEPES, 25% (w/v) PEG2000 MME., VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.1943.88

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.827α = 90
b = 87.194β = 90
c = 141.136γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCDBeryllium lenses2011-08-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-G0.97856APS21-ID-G

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
11.5301000.06923.17.2109948109948-317.3
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)
11.51.531000.4523.755431

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3TE91.529.67103476103476545999.970.144590.144590.143840.15866RANDOM14.896
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]
0.470.17-0.64
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.706
r_dihedral_angle_4_deg10.298
r_dihedral_angle_3_deg9.397
r_scangle_it5.082
r_scbond_it3.089
r_dihedral_angle_1_deg2.977
r_mcangle_it1.963
r_angle_refined_deg1.517
r_mcbond_it1.094
r_angle_other_deg0.974
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.706
r_dihedral_angle_4_deg10.298
r_dihedral_angle_3_deg9.397
r_scangle_it5.082
r_scbond_it3.089
r_dihedral_angle_1_deg2.977
r_mcangle_it1.963
r_angle_refined_deg1.517
r_mcbond_it1.094
r_angle_other_deg0.974
r_mcbond_other0.344
r_chiral_restr0.094
r_bond_refined_d0.012
r_gen_planes_refined0.006
r_gen_planes_other0.002
r_bond_other_d0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4867
Nucleic Acid Atoms
Solvent Atoms766
Heterogen Atoms151

Software

Software
Software NamePurpose
Blu-Icedata collection
PHASERphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling