4GZY

Crystal structures of bacterial RNA Polymerase paused elongation complexes


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.22953.5-6% PEG 8000, 0.1M MES pH 6.1-6.3, 0.3M LiCl, 10mM MgCl2, vapor diffusion, hanging drop, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
3.1561

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 207.21α = 90
b = 207.21β = 90
c = 203.223γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2011-01-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A1.0750NSLSX29A

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
13.5501000.1496.59.9635546355411
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.53.5699.95.5

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 2O5I3.505449.771.336355463330318499.680.26610.26310.3217117.3666
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_d15.901
f_angle_d0.95
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
CNSrefinement
SCALEPACKdata scaling
PDB_EXTRACTdata extraction
HKL-2000data collection
DENZOdata reduction
CNSphasing