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Crystal structure of the tandem bromodomain (BD1, BD2) of human TAF1 in complex with MES (2-(N-morpholino)ethanesulfonic acid)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7JJH
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 291 0.1 M Carboxylic acid (0.02M Sodium formate; 0.02M Ammonium acetate; 0.02M Sodium citrate tribasic dihydrate; 0.02M Potassium sodium tartrate tetrahydrate; 0.02M Sodium oxamate), 0.1M Buffer system 1 pH 6.5 (Imidazole; MES monohydrate), 30% precipitant mix 3 (20% v/v Glycerol; 10% w/v PEG 4000)
Crystal Properties Matthews coefficient Solvent content 3.71 66.82
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 80.318 α = 90 b = 80.318 β = 90 c = 142.357 γ = 90
Symmetry Space Group P 41 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 100 PIXEL DECTRIS PILATUS 6M 2020-08-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 1.0332 APS 23-ID-D
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 1.86 47.45 100 0.142 0.148 0.041 0.999 13.6 12.8 39987
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 1.86 1.91 99.9 5.079 5.284 1.45 0.211 13.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 7JJH 1.86 44.39 1.33 39897 1396 99.96 0.1809 0.1801 0.1831 0.2035 0.2039 48.3034
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]
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2040 Nucleic Acid Atoms Solvent Atoms 246 Heterogen Atoms 38
Software Software Software Name Purpose PHENIX refinement Aimless data scaling PDB_EXTRACT data extraction XDS data reduction PHASER phasing