5DLX
FIRST DOMAIN OF HUMAN BROMODOMAIN BRD4 IN COMPLEX WITH INHIBITOR N-{3-[4-(3-chlorophenyl)piperazin-1-yl]propyl}-1-{3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}piperidine-4-carboxamide
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2OSS |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 292 | Ratio 1:1 (protein:precipitant). 12 mg/mL Brd4_BD1 protein. Protein buffer 10 mM HEPES (pH 7.5) 150 mM NaCl. Precipitant agent 22 % (w/v) PEG 3350, 10% (w/v) ethylene glycol 30 % (w/v), 0.3 M NaFormate. 1.0 mM inhibitor (in DMSO) final concentration. Cryoprotection with 10 % (w/v) glycerol |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.96 | 37.31 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 41.723 | α = 90 |
b = 48.509 | β = 90 |
c = 58.094 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS 2M | 2015-04-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-2 | 0.967700 | ESRF | ID23-2 |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.9 | 50 | 99.3 | 0.042 | 20.09 | 4.83 | 9664 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.9 | 2.02 | 97.8 | 0.379 | 3.73 | 4.59 |
Refinement
Statistics | |||||||||||||||||||
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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 | 2OSS | 1.9 | 37.23 | 9180 | 484 | 99.31 | 0.12959 | 0.12547 | 0.20707 | RANDOM | 42.711 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.31 | 2.31 | -1.99 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.356 |
r_sphericity_free | 33.033 |
r_sphericity_bonded | 27.128 |
r_dihedral_angle_4_deg | 16.734 |
r_dihedral_angle_3_deg | 15.091 |
r_scangle_other | 12.271 |
r_long_range_B_other | 11.421 |
r_long_range_B_refined | 11.394 |
r_scbond_it | 10.885 |
r_scbond_other | 10.877 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1043 |
Nucleic Acid Atoms | |
Solvent Atoms | 37 |
Heterogen Atoms | 35 |
Software
Software | |
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Software Name | Purpose |
XDS | data reduction |
XDS | data scaling |
PHASER | phasing |
REFMAC | refinement |