1RD3
2.5A Structure of Anticoagulant Thrombin Variant E217K
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1DOJ | PDB ENTRY 1DOJ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.4 | 295 | sodium tris, potassium phosphate, glycerol, PEG 8000, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.95 | 68.89 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 73.23 | α = 90 |
b = 107.62 | β = 90 |
c = 136.03 | 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 | 2003-10-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX14.2 | 0.9795 | SRS | PX14.2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.5 | 60.54 | 99.9 | 0.142 | 0.142 | 4.7 | 9.2 | 36976 | 36929 | 45.4 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.5 | 2.67 | 89.3 | 0.633 | 0.687 | 1.5 | 2.9 | 5856 |
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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1DOJ | 2.5 | 43.36 | 36862 | 36862 | 1894 | 97.1 | 0.229 | 0.259 | random | 41.6 |
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] | |
-17.31 | 24.46 | -7.15 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_angle_deg | 1.5 |
x_bond_d | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4635 |
Nucleic Acid Atoms | |
Solvent Atoms | 44 |
Heterogen Atoms | 149 |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |
CNS | refinement |
CCP4 | data scaling |