1LAS

Solution Structure of the B-DNA Duplex CGCGGTXTCCGCG (X=PdG) Containing the 1,N2-propanodeoxyguanosine Adduct with the Deoxyribose at C20 Opposite PdG in the C3' Endo Conformation.


SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents1.8mM DNA strnad, 10 mM sodium phosphate, 100 mM NaCl, 50 uM EDTA
SolventD2O
Ionic Strength100 mM NaCl
pH5.2
Pressureambient
Temperature (K)303
Experiment(s):2D NOESY, DQF-COSY, 31P-1H COSY
Sample Contents1.8mM DNA strnad, 1 mM sodium phosphate, 100 mM NaCl, 50 uM EDTA
SolventH2O/D2O
Ionic Strength100 mM NaCl
pH5.2
Pressureambient
Temperature (K)278
Experiment(s):2D NOESY
Spectrometer Information
Manufacturer Model Field Strength
Bruker DRX 500.0
NMR Refinement
Method Molecular dynamics using a simulated annealing protocol.
NMR Ensemble Information
Conformers Submitted Total Number 1
Representative Model Choice Rationale
1 minimized average structure
Computation: NMR Software
# Classification Software Name Author
1 collection version: 3.0 UXNMR Bruker
2 data analysis version: 97.0, 2000 FELIX Hare, D.
3 iterative matrix relaxation version: 3.2 MARDIGRAS Borgias & James
4 refinement version: 3.8 X-PLOR Brunger, A.