Crystal Structure of rat Autotaxin in complex with 3-fluoro-4-[[4-[3-[2-[(5-methyltetrazol-2-yl)methyl]-4-(trifluoromethyl)phenyl]propanoyl]piperazin-1-yl]methyl]benzenesulfonamide, i.e. SMILES N1(CCN(CC1)Cc1c(cc(S(=O)(=O)N)cc1)F)C(=O)CCc1ccc(cc1CN1N=NC(=N1)C)C(F)(F)F with IC50=0.0203648 microM
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 4.5 | 293 | 15.3 mg/mL protein in 20mM BICINE/NaOH pH8.5, 150mM NaCl, 0.02% NaN3 mixed 50-70% with 50-30% reservoir consisting of 11-17% PEG3350, 0.1M Na-acetate pH4.5, 0.2M Ca-acetate, total volume 200nL |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.33 | 47.27 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 83.661 | α = 90 |
| b = 91.242 | β = 90 |
| c = 118.982 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
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 | PSI PILATUS 6M | 2015-09-22 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SLS BEAMLINE X10SA | 0.999990 | SLS | X10SA |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | 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 | 2.06 | 48.48 | 99.9 | 0.137 | 0.149 | 0.997 | 9.49 | 6.674 | 57032 | 45.403 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 2.06 | 2.11 | 100 | 2.236 | 2.419 | 0.273 | 0.89 | 6.865 | |||||||||||
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 | inhouse model | 2.06 | 48.48 | 51410 | 2689 | 94.91 | 0.1866 | 0.184 | 0.1922 | 0.2343 | 0.2396 | RANDOM | 44.14 | ||||
| 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] | |
| -0.34 | 0.09 | 0.25 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 33.434 |
| r_dihedral_angle_4_deg | 14.337 |
| r_dihedral_angle_3_deg | 13.715 |
| r_dihedral_angle_1_deg | 6.893 |
| r_mcangle_it | 4.38 |
| r_mcbond_it | 3.067 |
| r_mcbond_other | 3.066 |
| r_angle_refined_deg | 1.756 |
| r_angle_other_deg | 1.035 |
| r_chiral_restr | 0.101 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6479 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 261 |
| Heterogen Atoms | 143 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| XSCALE | data scaling |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| XDS | data reduction |
| PHASER | phasing |














