4NPW
Crystal structure of human PDE1B bound to inhibitor 19A (7,8-dimethoxy-N-[(2S)-1-(3-methyl-1H-pyrazol-5-yl)propan-2-yl]quinazolin-4-amine)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 8.5 | 0.1 M TRIS-HCL, 0.2 M MGCL2, 125 UM 5-(5-BROMO-2-PROPOXYPHENYL)-3-PROPYL-1H-PYRAZOLO[4,3-D]PYRIMIDIN-7(6H)-ONE, 15% PEG 8000, PH 8.5, VAPOR DIFFUSION, TEMPERATURE 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.15 | 60.98 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 88.782 | α = 90 |
b = 88.782 | β = 90 |
c = 134.806 | γ = 90 |
Symmetry | |
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Space Group | P 43 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 | CCD | MARMOSAIC 225 mm CCD | 2008-06-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-D | APS | 21-ID-D |
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 | 1.9 | 50 | 97.8 | 0.101 | 8 | 8.1 | 42307 |
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 | 1.9 | 1.97 | 99.4 | 0.774 | 8.3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 1.9 | 27.82 | 42246 | 2116 | 97.9 | 0.191 | 0.19 | 0.209 | RANDOM | 32.68 |
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] | |
-2.7529 | -2.7529 | 5.5057 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 16.88 |
t_omega_torsion | 2.73 |
t_angle_deg | 0.95 |
t_bond_d | 0.01 |
t_dihedral_angle_d | |
t_incorr_chiral_ct | |
t_pseud_angle | |
t_trig_c_planes | |
t_gen_planes | |
t_it |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2597 |
Nucleic Acid Atoms | |
Solvent Atoms | 249 |
Heterogen Atoms | 26 |
Software
Software | |
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Software Name | Purpose |
BUSTER | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |