3TNO

1.65 Angstrom Resolution Crystal Structure of Transaldolase B (TalA) from Francisella tularensis in Covalent Complex with Sedoheptulose-7-Phosphate


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3IGXPDB ENTRY 3IGX

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP4.6295Protein: 11.2 mg/ml, 0.5 M sodium chloride, 0.01 M Tris-HCl (pH 8.3), 0.002 M Sedoheptulose-7-phosphate, Screen: Pegs C2 (Qiagen), 0.1 M Sodium Acetate, 25% (w/v) Peg 4000, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.2445.15

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.316α = 90
b = 74.091β = 90
c = 165.423γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 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
11.65301000.06828.97.38412884128-3
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)
11.651.681000.5384.37.34109

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 REPLACEMENTTHROUGHOUTPDB ENTRY 3IGX1.6528.997984679846419699.930.174060.174060.172550.2033RANDOM19.084
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]
1.15-1.1-0.05
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg30.544
r_dihedral_angle_3_deg8.805
r_dihedral_angle_4_deg7.978
r_dihedral_angle_1_deg2.304
r_angle_refined_deg1.069
r_angle_other_deg0.768
r_chiral_restr0.066
r_bond_refined_d0.005
r_gen_planes_refined0.004
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg30.544
r_dihedral_angle_3_deg8.805
r_dihedral_angle_4_deg7.978
r_dihedral_angle_1_deg2.304
r_angle_refined_deg1.069
r_angle_other_deg0.768
r_chiral_restr0.066
r_bond_refined_d0.005
r_gen_planes_refined0.004
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4978
Nucleic Acid Atoms
Solvent Atoms979
Heterogen Atoms35

Software

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