3KOF
Crystal structure of the double mutant F178Y/R181E of E.coli transaldolase B
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3CWN | PDB entry 3CWN |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | 0.2M Ammonium sulfate, 18% PEG 3350, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.5 | 50.87 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 66.404 | α = 90 |
b = 86.397 | β = 90 |
c = 130.745 | 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 | ADSC QUANTUM 4 | 2009-05-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-1 | 0.933 | ESRF | ID14-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.9 | 50 | 98.9 | 0.101 | 10.9 | 3.55 | 59317 | 59317 | 19.6 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1.9 | 2 | 93.7 | 0.525 | 1.6 | 2.4 | 8047 |
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 | PDB entry 3CWN | 1.9 | 48.85 | 56136 | 56136 | 3012 | 98.57 | 0.20528 | 0.20528 | 0.203 | 0.24797 | RANDOM | 20.014 |
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] | |
0.71 | 0.14 | -0.85 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.158 |
r_dihedral_angle_4_deg | 14.887 |
r_dihedral_angle_3_deg | 13.931 |
r_dihedral_angle_1_deg | 5.746 |
r_sphericity_free | 4.487 |
r_scangle_it | 3.476 |
r_scbond_it | 2.134 |
r_mcangle_it | 1.35 |
r_sphericity_bonded | 1.283 |
r_angle_refined_deg | 1.277 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4942 |
Nucleic Acid Atoms | |
Solvent Atoms | 561 |
Heterogen Atoms | 20 |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
MOLREP | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |