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12 Subunit RNA Polymerase II at Room Temperature collected using SFX
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 MICRODIALYSIS 6.3 289.65 21-22% PEG 400, 5% PEG 5%, 100 mM Ammonium Phosphate pH 6.3, 100 mM NaCl, 1 mM ZnCl2 and 10 mM DTT
Crystal Properties Matthews coefficient Solvent content 6.2 80.18
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 223.4 α = 90 b = 396.8 β = 90 c = 287.9 γ = 90
Symmetry Space Group C 2 2 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 293.15 PIXEL CS-PAD CXI-2 90 150 nm2 FWHM (V H) with Kirkpatrick-Baez mirrors 2015-05-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 FREE ELECTRON LASER SLAC LCLS BEAMLINE CXI 1.55 SLAC LCLS CXI
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 3.8 40.611 99 2.41 54.9 123899 140.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 FREE R-VALUE 3.8 40.611 1.33 123899 2493 98.91 0.219 0.2179 0.2197 0.2706 0.2708
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 18.07 f_angle_d 0.616 f_chiral_restr 0.043 f_plane_restr 0.004 f_bond_d 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 31625 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 9
Software Software Software Name Purpose PHENIX refinement CrystFEL data reduction CrystFEL data scaling Coot model building