3IDO
Crystal structure of protein tyrosine phosphatase from Entamoeba histolytica with a phosphotyrosine crude mimic HEPES molecule in the active site
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 289 | ProPlex condition F1, 0.1 M Hepes pH 7.0, 20% PEG 8000, 25% glycerol as cryo-protectant, 26.1 mg/mL protein, 0.1 mg/mL chymotrypsin, crystal tracking ID 203694f1, VAPOR DIFFUSION, SITTING DROP, temperature 289K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.07 | 40.62 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 60.579 | α = 90 |
b = 70.409 | β = 90 |
c = 79.189 | 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 315 | 2009-07-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.3 | 0.9765 | ALS | 5.0.3 |
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 | 2.2 | 45.93 | 98.6 | 0.14 | 7.7 | 8.1 | 17494 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.2 | 2.28 | 89.5 | 0.492 | 2.43 | 5.7 | 1539 |
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 1xww | 2.2 | 45.93 | 17445 | 887 | 98.45 | 0.206 | 0.204 | 0.254 | RANDOM | 36.713 |
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] | |
-2.71 | -0.15 | 2.87 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 29.578 |
r_dihedral_angle_3_deg | 14.642 |
r_dihedral_angle_4_deg | 13.839 |
r_dihedral_angle_1_deg | 5.64 |
r_scangle_it | 2.542 |
r_scbond_it | 1.541 |
r_angle_refined_deg | 1.211 |
r_mcangle_it | 1.095 |
r_mcbond_it | 0.576 |
r_chiral_restr | 0.084 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2524 |
Nucleic Acid Atoms | |
Solvent Atoms | 131 |
Heterogen Atoms | 30 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
MOLREP | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
HKL-2000 | data scaling |