Crystal structure of Tyrosine-protein kinase receptor in complex with 5-(4-fluorophenyl)thieno[2,3-d]pyrimidin-4(3H)-one and 5-{[2,4-dichloro-5-(pyridin-2-yl)benzene-1-carbonyl]amino}-N-(2-hydroxy-2-methylpropyl)-1-phenyl-1H-pyrazole-3-carboxamide Inhibitors
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8 | 294 | Well volume: 30.0 uL Well Ingredients: Polymer: 10.0 %w/v (6.0 uL of stock 50.0 %w/v) PEG 3350 Buffer: 16.0 %v/v (4.8 uL of stock 100.0 %v/v) tacsimate (pH 8.00) Organic (non-volatile): 10.0 %v/v (3.0 uL of stock 100.0 %v/v) Ethylene glycol Additive: 0.025 M (1.5 uL of stock 0.5 M) TCEP hydrochloride Plate setup temperature: 13 C Plate incubation temperature: 21 C Drop volume from well: 0.2 uL Drop protein volume: 0.4 uL Protein: 6.30 mg/mL (0.17 mM) Compound1: 1.00 mM (to aid crystallization). Compound23 (allostric inhibitor): 1.3ul 50mM compound23 DMSO stock in 133ul protein (0.50 mM) |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.29 | 46.35 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 113.94 | α = 90 |
| b = 45.81 | β = 127.04 |
| c = 79.49 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 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 | 93 | CCD | RAYONIX MX-300 | 2015-01-29 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | CLSI BEAMLINE 08ID-1 | 1.0 | CLSI | 08ID-1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1.94 | 50 | 98.4 | 0.115 | 7.9 | 3.8 | 23960 | 23.6 | |||||||||||
| 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 | 1.95 | 2.02 | 97.1 | 0.708 | 3.5 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | THROUGHOUT | 1.94 | 45.47 | 23957 | 1226 | 97.77 | 0.1722 | 0.1703 | 0.17 | 0.2072 | 0.21 | RANDOM | 28.71 | ||||||
| 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] | |
| 0.8814 | -1.3706 | 4.721 | -5.6023 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| t_other_torsion | 15.7 |
| t_omega_torsion | 3.29 |
| t_angle_deg | 0.97 |
| t_bond_d | 0.01 |
| t_dihedral_angle_d | |
| t_trig_c_planes | |
| t_gen_planes | |
| t_it | |
| t_nbd | |
| t_improper_torsion | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2352 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 224 |
| Heterogen Atoms | 76 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-2000 | data reduction |
| SCALEPACK | data scaling |
| BUSTER | refinement |
| PDB_EXTRACT | data extraction |
| BUSTER | phasing |














