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Crystal structure of the SPOC domain of human SHARP (SPEN) in complex with RNA polymerase II CTD heptapeptide phosphorylated on Ser5
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1OW1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 295.15 0.1 M Potassium thiocyanate, 30% w/v PEG 2000 MME
Crystal Properties Matthews coefficient Solvent content 2.19 43.79
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 43.327 α = 90 b = 60.517 β = 90 c = 68.273 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 100 PIXEL DECTRIS PILATUS3 2M 2017-11-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE MASSIF-1 0.9660 ESRF MASSIF-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) 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 1.55 36.58 98.8 0.072 0.998 11.3 4.3 26393 26.82
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.55 1.58 0.203
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 FREE R-VALUE 1OW1 1.55 35.23 1.33 26220 1331 98.18 0.217 0.2155 0.215 0.247 0.2464 33.81
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 7.8969 f_angle_d 0.7313 f_chiral_restr 0.0467 f_plane_restr 0.0076 f_bond_d 0.0044
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1303 Nucleic Acid Atoms Solvent Atoms 169 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement PHENIX refinement XDS data reduction Aimless data scaling PHASER phasing