1Q1M
A Highly Efficient Approach to a Selective and Cell Active PTP1B inhibitors
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1TYR | 1TYR and other refined complexes. RESIDUE CYS215, LISTED IN REMARK 500, CORRESPONDS TO THE ACTIVE SITE CYS WHICH IS KNOWN TO BE IN A STRAINED CONFORMATION IN THIS CLASS OF ENZYMES. |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.1 | 277 | Precipitation buffer: 100 mM HEPES, 0.2 M Magnesium Acetate, 14% PEG8000, pH 7.10, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.14 | 60.84 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 88.294 | α = 90 |
b = 88.294 | β = 90 |
c = 104.378 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARRESEARCH | mirrors | 2002-01-23 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU300 | 1.5418 |
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 | 2.6 | 20 | 94 | 0.082 | 0.082 | 11.9 | 7.6 | 14916 | 14064 | 1 | 28.3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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) | ||||||||||
2.6 | 2.69 | 75.1 | 0.498 | 0.498 | 1.7 | 2.1 | 1464 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1TYR and other refined complexes. RESIDUE CYS215, LISTED IN REMARK 500, CORRESPONDS TO THE ACTIVE SITE CYS WHICH IS KNOWN TO BE IN A STRAINED CONFORMATION IN THIS CLASS OF ENZYMES. | 2.6 | 18.8 | 2 | 14922 | 11613 | 1186 | 78.1 | 0.208 | 0.187 | 0.223 | RANDOM | 24.2 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
-0.69 | 5.81 | -0.69 | 1.39 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 21.8 |
c_scangle_it | 3.29 |
c_mcangle_it | 2.35 |
c_scbond_it | 2.22 |
c_mcbond_it | 1.55 |
c_angle_deg | 1.3 |
c_improper_angle_d | 0.76 |
c_bond_d | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2435 |
Nucleic Acid Atoms | |
Solvent Atoms | 124 |
Heterogen Atoms | 30 |
Software
Software | |
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Software Name | Purpose |
CNX | refinement |
MAR345 | data collection |
HKL-2000 | data scaling |
CNX | phasing |