Design and Synthesis of a pan-JAK Kinase Inhibitor Clinical Candidate (PF-06263276) Suitable for Inhaled and Topical Delivery for the Treatment of Inflammatory Diseases of the Lungs and Skin
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3TJC | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION | 7.5 | 293 | 0.1 M Hepes, pH 7.5, 100 mM sodium acetate, 30% PEG-3350 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.22 | 44.7 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 36.74 | α = 104.91 |
| b = 44.98 | β = 109.59 |
| c = 52.35 | γ = 94.1 |
| Symmetry | |
|---|---|
| Space Group | P 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 | PIXEL | DECTRIS PILATUS 6M | 2010-12-14 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 17-ID | 1 | APS | 17-ID |
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 | 1.59 | 43 | 95 | 0.08 | 8.2 | 1.8 | 38072 | 21.93 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 3tjc | 1.59 | 22.69 | 38052 | 1911 | 94.18 | 0.1668 | 0.1655 | 0.17 | 0.1923 | 0.2 | RANDOM | 30.44 | ||||
| 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] | |
| -4.2661 | 0.8539 | 5.5178 | 1.6217 | -1.0565 | 2.6444 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| t_other_torsion | 17.51 |
| t_omega_torsion | 3.28 |
| t_angle_deg | 1.02 |
| 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 | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2390 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 234 |
| Heterogen Atoms | 42 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| BUSTER | refinement |
| XDS | data reduction |
| XDS | data scaling |
| PHASER | phasing |
