6EIX
Crystal structure of the kinase domain of the Q207E mutant of ACVR1 (ALK2) in complex with a 2-aminopyridine inhibitor K02288
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1IAS | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | 0.1M MES pH 6.5 -- 12%(w/v) PEG 20000 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.21 | 44.35 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 81.56 | α = 90 |
| b = 66.99 | β = 91.04 |
| c = 62.22 | 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 | 100 | PIXEL | DECTRIS PILATUS 6M | Kirkpatrick Baez bimorph mirror pair for horizontal and vertical focussing | 2012-04-21 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I03 | 0.9778 | Diamond | I03 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim 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 | 2.3 | 19.78 | 98.9 | 0.122 | 0.148 | 0.082 | 0.984 | 5.4 | 3 | 14813 | 2 | ||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 2.3 | 2.38 | 99.1 | 0.511 | 0.619 | 0.344 | 0.749 | 2.2 | 3.1 | ||||||||||
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1IAS | 2.3 | 19.78 | 14001 | 749 | 98.39 | 0.19135 | 0.18825 | 0.24944 | RANDOM | 33.214 | ||||||
| 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] | |
| -0.83 | 0.08 | -3.68 | 4.51 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 31.661 |
| r_dihedral_angle_4_deg | 21.95 |
| r_dihedral_angle_3_deg | 13.457 |
| r_long_range_B_refined | 7.591 |
| r_long_range_B_other | 7.59 |
| r_scangle_other | 6.258 |
| r_dihedral_angle_1_deg | 6.084 |
| r_mcangle_it | 5.346 |
| r_mcangle_other | 5.346 |
| r_scbond_it | 4.708 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2464 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 64 |
| Heterogen Atoms | 62 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| iMOSFLM | data reduction |
| Aimless | data scaling |
| PHASER | phasing |
