2HHW

ddTTP:O6-methyl-guanine pair in the polymerase active site, in the closed conformation


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.829050% saturated ammonium sulfate, 2.5% MPD, 100mM MES, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
2.6453.49

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.834α = 90
b = 108.897β = 90
c = 150.111γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDCUSTOM-MADE2004-12-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID1.008APS19-ID

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
11.885095.60.11114.24.8120016120016-3
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)
11.881.9593.60.78224.411633

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTPDB entry 1LV51.8850120016113550568990.60.1960.225random24.212
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]
0.758-2.2161.458
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.15
c_angle_d1.195
c_improper_angle_d1.15
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9304
Nucleic Acid Atoms810
Solvent Atoms794
Heterogen Atoms119

Software

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