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Structure of RNA polymerase I at 2.8 A resolution
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7 10% PEG4000, 300MM AMMONIUM ACETATE, 50MM HEPES PH 7.5, 5MM TCEP
Crystal Properties Matthews coefficient Solvent content 2.85 56.9
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 122.74 α = 108.06 b = 139.02 β = 95.4 c = 209.55 γ = 93.85
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 M SINGLE WAVELENGTH 2 1 x-ray 100 PIXEL DECTRIS PILATUS 6M M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X10SA SLS X10SA 2 SYNCHROTRON SLS BEAMLINE X06SA SLS X06SA
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.8 40 99.9 0.24 9.61 13.1 320814 1.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.8 2.87 99.8 1.52 11.5
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-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MAD NONE 2.8 39.292 1.99 320815 6493 99.91 0.1697 0.1689 0.1806 0.2099 0.2185
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 16.318 f_angle_d 1.241 f_chiral_restr 0.084 f_bond_d 0.01 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 68821 Nucleic Acid Atoms Solvent Atoms 262 Heterogen Atoms 24
Software Software Software Name Purpose XDS data reduction XDS data scaling autoSHARP phasing PARROT phasing PHENIX refinement