3HK6
Crystal structure of murine thrombin mutant W215A/E217A (two molecules in the asymmetric unit)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1TQ0 | PDB entry 1TQ0 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 295 | 200mM Ammonium dihydrogen phosphate, 14% PEG 3350, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.6 | 52.71 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 70.394 | α = 90 |
b = 70.394 | β = 90 |
c = 293.08 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 2 |
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 | IMAGE PLATE | MAR scanner 345 mm plate | mirrors | 2009-05-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SEALED TUBE | MACSCIENCE | 1.54178 |
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 | 3.2 | 40 | 93.3 | 0.105 | 14.6 | 6.6 | 13077 | 12201 | -1 |
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) | |||||||||||
3.2 | 3.26 | 72.8 | 0.378 | 3.5 | 5.1 | 437 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 1TQ0 | 3.2 | 40 | 11572 | 583 | 93.43 | 0.22616 | 0.22177 | 0.31419 | RANDOM | 44.848 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
2.19 | 2.19 | -4.37 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.669 |
r_dihedral_angle_3_deg | 23.287 |
r_dihedral_angle_4_deg | 16.515 |
r_dihedral_angle_1_deg | 8.203 |
r_scangle_it | 2.981 |
r_angle_refined_deg | 1.926 |
r_scbond_it | 1.72 |
r_mcangle_it | 1.304 |
r_mcbond_it | 0.68 |
r_chiral_restr | 0.128 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4882 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
MAR345dtb | data collection |
MOLREP | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |