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) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3TE9 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 295 | Protein: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 | |
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Matthews coefficient | Solvent content |
2.19 | 43.88 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 54.827 | α = 90 |
b = 87.194 | β = 90 |
c = 141.136 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARMOSAIC 300 mm CCD | Beryllium lenses | 2011-08-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.97856 | APS | 21-ID-G |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 1.5 | 30 | 100 | 0.069 | 23.1 | 7.2 | 109948 | 109948 | -3 | 17.3 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.5 | 1.53 | 100 | 0.452 | 3.7 | 5 | 5431 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3TE9 | 1.5 | 29.67 | 103476 | 103476 | 5459 | 99.97 | 0.14459 | 0.14459 | 0.14384 | 0.15866 | RANDOM | 14.896 |
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] | |
0.47 | 0.17 | -0.64 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.706 |
r_dihedral_angle_4_deg | 10.298 |
r_dihedral_angle_3_deg | 9.397 |
r_scangle_it | 5.082 |
r_scbond_it | 3.089 |
r_dihedral_angle_1_deg | 2.977 |
r_mcangle_it | 1.963 |
r_angle_refined_deg | 1.517 |
r_mcbond_it | 1.094 |
r_angle_other_deg | 0.974 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4867 |
Nucleic Acid Atoms | |
Solvent Atoms | 766 |
Heterogen Atoms | 151 |
Software
Software | |
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Software Name | Purpose |
Blu-Ice | data collection |
PHASER | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |