2HHQ

O6-methyl-guanine:T pair in the polymerase-10 basepair position


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.829045% saturated ammonium sulfate, 2.5% MPD, 100mM MES, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
2.8656.95

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 86.792α = 90
b = 93.274β = 90
c = 106.018γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2005-03-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-BM1.000APS19-BM

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.545096.10.09613.87.1122488122488-323.31
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.541.68920.7552.76.626672

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESIS1.850803008030040901000.2120.244random25.417
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]
-11.3924.3327.06
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.5
c_angle_d1.155
c_improper_angle_d0.97
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4650
Nucleic Acid Atoms572
Solvent Atoms537
Heterogen Atoms85

Software

Software
Software NamePurpose
XSCALEdata processing
CNSrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
XSCALEdata scaling
CNSphasing