Crystal structure of the first bromodomain of human BRD4 in complex with FOSTAMATINIB
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 2OSS | PDB entry 2OSS | 
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 291 | 12.5 MG/ML BRD4, 5MM HEPES pH 7.5, 50MM SODIUM CHLORIDE, 0.5MM DTT, 50MM TRIS PH8.5, 0.1M AMMONIUM SULFATE, 12.5% PEG 3,350, 10% DMSO, 1 MM FOSTAMATINIB, VAPOR DIFFUSION, HANGING DROP, temperature 291K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.15 | 42.68 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 42.939 | α = 90 | 
| b = 49.61 | β = 90 | 
| c = 60.845 | 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 | 93 | CCD | MARMOSAIC 225 mm CCD | 2013-10-31 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | APS BEAMLINE 22-BM | 1.00 | APS | 22-BM | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.55 | 20 | 100 | 0.054 | 46.7 | 7.1 | 24998 | -3 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.55 | 1.58 | 100 | 0.311 | 5.5 | 6.7 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB entry 2OSS | 1.55 | 19.704 | 1.34 | 19403 | 971 | 99.95 | 0.1568 | 0.16 | 0.1993 | 0.2 | |||||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| f_dihedral_angle_d | 16.908 | 
| f_angle_d | 1.426 | 
| f_chiral_restr | 0.068 | 
| f_bond_d | 0.011 | 
| f_plane_restr | 0.006 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 1062 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 110 | 
| Heterogen Atoms | 48 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| SERGUI | data collection | 
| PHASER | phasing | 
| PHENIX | refinement | 
| XDS | data reduction | 
| XDS | data scaling | 














