4GZZ

Crystal structures of bacterial RNA Polymerase paused elongation complexes


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.22955-7% PEG 3000, 0.1M MES pH 6.1-6.3, 0.3M LiCl, 10mM MgCl2, vapor diffusion, hanging drop, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
3.9969.14

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 286.549α = 90
b = 286.549β = 90
c = 199.411γ = 120
Symmetry
Space GroupH 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2011-11-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.91956APS24-ID-C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
144599.50.4424.95.9521385187722
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
144.0797.74.8

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 2O5I4.292738.7851.964168141266207099.010.2370.23450.2849125.9191
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_d16.343
f_angle_d0.934
f_chiral_restr0.061
f_bond_d0.005
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms23534
Nucleic Acid Atoms863
Solvent Atoms
Heterogen Atoms3

Software

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