Discovery of Potent, Orally Active, Nonpeptide Inhibitors of Human Mast Cell Chymase by Using Structure-Based Drug Design
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 295 | 30% PEG4000, 0.2 Na Acetate, 0.1 bistris propane, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.7 | 54.49 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 73.94 | α = 90 |
b = 73.94 | β = 90 |
c = 49.45 | γ = 90 |
Symmetry | |
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Space Group | P 43 |
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 | 295 | IMAGE PLATE | RIGAKU RAXIS IV | osmic mirrors | 2002-04-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 | 1.54 |
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 | 2.6 | 30 | 100 | 0.103 | 13.4 | 3.9 | 8431 |
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) | |||||||||||
2.6 | 2.69 | 99.9 | 0.352 | 3.8 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.6 | 30 | 8077 | 8077 | 793 | 96.5 | 0.245 | 0.245 | 0.229 | 0.21 | 0.274 | 0.25 | random | 29.08 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
4.072 | 4.072 | -8.145 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_scangle_it | 2.654 |
c_mcangle_it | 2.006 |
c_scbond_it | 1.752 |
c_angle_deg | 1.563 |
c_mcbond_it | 1.175 |
c_bond_d | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1755 |
Nucleic Acid Atoms | |
Solvent Atoms | 107 |
Heterogen Atoms | 28 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
PDB_EXTRACT | data extraction |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |