2JEJ

The Molecular Basis of Selectivity of Nucleoside Triphosphate Incorporation Opposite O6-Benzylguanine by Sulfolobus solfataricus DNA Polymerase IV: Steady-state and Pre-steady-state Kinetics and X- Ray Crystallography of Correct and Incorrect Pairing


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2J6UPDB ENTRY 2J6U

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.429810% POLYETHYLENE GLYCOL (W/V), 100 MM CALCIUM ACETATE, 25 MM TRIS HCL PH 7.4, 50 MM NACL, 5 MM CALCIUM CHLORIDE, 1 MM DGTP, 2.5% GLYCEROL (V/V), AT 25 DEGREES CELSIUS.
Crystal Properties
Matthews coefficientSolvent content
2.654.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 95.22α = 90
b = 103.855β = 90
c = 52.74γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDMARRESEARCH2006-07-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-IDAPS22-ID

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
11.864798.50.0738.37.54411632.9
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)
11.861.9387.90.541.73.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2J6U1.8647.0344116220998.50.2380.2380.265RANDOM37.6
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]
1.123.22-4.33
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.1
c_scangle_it3.06
c_improper_angle_d2.93
c_scbond_it2.01
c_mcangle_it2
c_mcbond_it1.36
c_angle_deg1.3
c_bond_d0.006
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.1
c_scangle_it3.06
c_improper_angle_d2.93
c_scbond_it2.01
c_mcangle_it2
c_mcbond_it1.36
c_angle_deg1.3
c_bond_d0.006
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2744
Nucleic Acid Atoms676
Solvent Atoms175
Heterogen Atoms35

Software

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