2B63

Complete RNA Polymerase II-RNA inhibitor complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1200 mM ammonium acetate, 150 mM magnesium acetate, 50 mM Hepes (pH 7.0), 5% PEG 6000, and 5 mM TCEP
Crystal Properties
Matthews coefficientSolvent content
6.13320179.945221

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 224.585α = 90
b = 399.815β = 90
c = 286.727γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2005-01-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06SA0.9189SLSX06SA

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
13.85099.924849424849433
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
3.83.999.70.3673.25.2

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTpdb entry 1WCM3.850248494245134483099.80.2730.2730.2520.273RANDOM99.434
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]
-0.43223.914-23.482
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms31056
Nucleic Acid Atoms666
Solvent Atoms
Heterogen Atoms9

Software

Software
Software NamePurpose
CNSrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
SCALEPACKdata scaling
CNSphasing