5U5Q

12 Subunit RNA Polymerase II at Room Temperature collected using SFX


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICRODIALYSIS6.3289.6521-22% 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 coefficientSolvent content
6.280.18

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 223.4α = 90
b = 396.8β = 90
c = 287.9γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293.15PIXELCS-PAD CXI-290 150 nm2 FWHM (V H) with Kirkpatrick-Baez mirrors2015-05-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1FREE ELECTRON LASERSLAC LCLS BEAMLINE CXI1.55SLAC LCLSCXI

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
13.840.611992.4154.9123899140.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONFREE R-VALUE3.840.6111.33123899249398.910.2190.21790.2706
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
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.07
f_angle_d0.616
f_chiral_restr0.043
f_plane_restr0.004
f_bond_d0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms31625
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms9

Software

Software
Software NamePurpose
PHENIXrefinement
CrystFELdata reduction
CrystFELdata scaling
Cootmodel building