Crystal structure of Activin receptor type-IIA (ACVR2A) kinase domain in complex with dorsomorphin
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2QLU | pdb id 2qlu |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.8 | 293.15 | 28% PEG 3350, 0.2M LiSO4, 0.1M Tris, pH 8.8, 10% Ethylene glycol, VAPOR DIFFUSION, SITTING DROP, temperature 293.15K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.48 | 50.33 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 110.1 | α = 90 |
| b = 110.1 | β = 90 |
| c = 206.911 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 65 2 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | ADSC Q315 3x3 CCD | Kirkpatrick Baez bimorph mirror pair | 2010-04-21 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I03 | 0.9763 | Diamond | I03 |
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 | 1.96 | 48.6 | 99.9 | 0.112 | 11.2 | 7 | 53883 | 53760 | 26.6 | ||||||||||
| 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 | 1.96 | 2.07 | 100 | 0.783 | 2.3 | 7.2 | 7727 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | 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 id 2qlu | 1.96 | 45.47 | 2 | 53760 | 51027 | 2733 | 99.8 | 0.17124 | 0.16847 | 0.17 | 0.22301 | 0.23 | RANDOM | 24.429 | ||
| 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 | 0.42 | 0.83 | -1.25 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.943 |
| r_dihedral_angle_4_deg | 17.193 |
| r_dihedral_angle_3_deg | 13.573 |
| r_scangle_it | 9.781 |
| r_scbond_it | 7.176 |
| r_dihedral_angle_1_deg | 6.32 |
| r_mcangle_it | 4.46 |
| r_mcbond_it | 2.974 |
| r_angle_refined_deg | 1.561 |
| r_angle_other_deg | 0.975 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4857 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 496 |
| Heterogen Atoms | 177 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| GDA | data collection |
| PHASER | phasing |
| REFMAC | refinement |
| MOSFLM | data reduction |
| SCALA | data scaling |














