1PYJ

Solution Structure of an O6-[4-oxo-4-(3-pyridyl)butyl]guanine adduct in an 11mer DNA duplex


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
12D NOESY1 mM [POB]dG-dC 11mer duplex adduct in 600 ul 10 mM sodium phosphate, 0.1 M NaCl, 0.1 mM EDTA, pH7.0100% D2O and 90% H2O, 10% D2O0.1 M NaCl7.00ambient298
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1VarianINOVA600
NMR Refinement
MethodDetailsSoftware
molecular mechanics in torsion angle spaceThe structures are based on a total of 325 restraints (271 DNA-DNA, 22 POB-DNA, 5 POB-POB, 29 H-bonds).VNMR
NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number1
Representative Model (minimized average structure)
Additional NMR Experimental Information
DetailsThis structure was determined using standard 2D homonuclear techniques
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionVNMR6.1CVarian
2data analysisFelix97Acceryls
3structure solutionDUPLEXHingerty and Broyde
4refinementDUPLEXHingerty and Broyde