4PCF
Structure-based protein engineering of a monomeric triosephosphate isomerase towards changing substrate specificity
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.2 | 295 | 1.75M (NH4)2HPO4, |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.48 | 50.07 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 92.92 | α = 90 |
b = 49.42 | β = 118.5 |
c = 95.51 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | Bruker Platinum 135 | 2012-08-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | BRUKER AXS MICROSTAR | 1.542 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.71 | 83.94 | 99.5 | 12.46 | 6.96 | 19927 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.71 | 2.73 | 56.3 | 2.49 | 1.23 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | THROUGHOUT | 2.71 | 83.94 | 19927 | 1078 | 99.41 | 0.23735 | 0.2349 | 0.2832 | RANDOM | 17.806 |
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] | |
0.19 | 0.11 | 0.01 | -0.2 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.984 |
r_dihedral_angle_4_deg | 20.444 |
r_dihedral_angle_3_deg | 19.715 |
r_dihedral_angle_1_deg | 6.406 |
r_long_range_B_refined | 3.642 |
r_long_range_B_other | 3.636 |
r_mcangle_it | 2.023 |
r_mcangle_other | 2.022 |
r_scangle_other | 1.548 |
r_angle_refined_deg | 1.481 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5398 |
Nucleic Acid Atoms | |
Solvent Atoms | 147 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |