Crystal Structure of PDE10A with Imidazo[4,5-b]pyridines as Potent and Selective Inhibitors
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 277 | 1.6M Ammonium Sulfate, 0.1M MES monohydrate, 10% v/v 1,4-Dioxane |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 4.34 | 71.63 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 252.971 | α = 90 |
| b = 252.971 | β = 90 |
| c = 252.971 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | F 2 3 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | IMAGE PLATE | RIGAKU RAXIS IV++ | 2013-06-14 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU FR-E SUPERBRIGHT | 1.5 | ||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.24 | 29.81 | 99.9 | 12.39 | 4 | 63795 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | |||||||
| X-RAY DIFFRACTION | 2.243 | 29.81 | 63577 | 3169 | 99.9 | 0.1545 | 0.1527 | 0.15 | 0.1888 | 0.18 | |||||||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 12.375 |
| f_angle_d | 1.307 |
| f_chiral_restr | 0.06 |
| f_plane_restr | 0.01 |
| f_bond_d | 0.009 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 5081 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 691 |
| Heterogen Atoms | 232 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
