X-ray Structure of c-Met kinase in complex with inhibitor (S)-3-(1-(1H-pyrrolo(2,3-b)pyridin-3-yl)ethyl)-N-isopropyl-(1,2,4)triazolo(4,3- b)pyridazin-6-amine
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2WGJ | PDB ENTRY 2WGJ |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 286 | C-MET COCRYSTALS WERE OBTAINED AT 13 DEGREES C BY THE HANGING DROP VAPOR DIFFUSION METHOD BY MIXING 1.2 MICROL OF PROTEIN SOLUTION (CONTAINING 7-13 MG/ML C-MET KD (RESIDUES 1051-1348) WITH A 5 FOLD MOLAR EXCESS OF SELECTED C-MET INHIBITOR) WITH 1.2 MICROL OF SOLUTION CONTAINING (0.05 M CITRATE-PHOSPHATE PH 4.6, 0-0.275 M NACL, AND 17-21% POLYETHYLENE GLYCOL MW=3350). |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.4 | 48 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 76.997 | α = 90 |
| b = 94.509 | β = 90 |
| c = 46.834 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 97 | CCD | ADSC QUANTUM 315 | 2007-05-07 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 5.0.2 | ALS | 5.0.2 | |
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 | 1.4 | 50 | 87.5 | 0.07 | 32 | 3.8 | 58868 | 14.9 | |||||||||||
| 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 | 1.4 | 1.43 | 53.1 | 0.34 | 2 | 2.5 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | PDB ENTRY 2WGJ | 1.4 | 41.46 | 58519 | 55089 | 2794 | 82.4 | 0.194 | 0.193 | 0.25 | 0.211 | 0.26 | RANDOM | 25.4 | |||
| 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] | |
| -3.46 | -6.56 | 10.02 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| c_dihedral_angle_d | 19.1 |
| c_scangle_it | 2.94 |
| c_scbond_it | 2.14 |
| c_mcangle_it | 1.81 |
| c_mcbond_it | 1.13 |
| c_angle_deg | 0.8 |
| c_improper_angle_d | 0.63 |
| c_bond_d | 0.004 |
| c_bond_d_na | |
| c_bond_d_prot | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2310 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 336 |
| Heterogen Atoms | 24 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| CNX | refinement |
| HKL-2000 | data reduction |
| SCALEPACK | data scaling |
| CNX | phasing |














