SOLUTION NMR Experimental Data

Experimental Details
Sample Conditions
Sample ContentsThe synthesis by solid phase methods of DNA duplexes that contain an N4-C-ethyl-N4C interstrand cross-link has been described [Biochemistry,41(2002)760-771]. 2 mM single strand concentration in 0.3 mL containing 10 mM sodium phosphate (pH 7.4) and 100 mM NaCl.
Solventboth 1H2O (95%) and 2H2O (5%), and 99.9 % 2H2O.
Ionic Strength100 mM NaCl
Temperature (K)293
Experiment(s):2D NOESY, 2D TOCSY, DQF-COSY
Spectrometer Information
Manufacturer Model Field Strength
Varian INOVA 500.0
Varian INOVA 800.0
Varian INOVA 600.0
NMR Refinement
Method distance geometry simulated annealing molecular dynamics
Details A total of 449 restraints were used 243 non-exchangeable 53 exchangeable 44 hydrogen bond 109 dihedral angle
NMR Ensemble Information
Conformer Selection Criteria the structure submitted is the lowest energy structure of a an ensemble of selected ten structures
Conformers Calculated Total Number 100
Conformers Submitted Total Number 1
Representative Model Choice Rationale
1 closest to the average,lowest energy
Computation: NMR Software
# Classification Software Name Author
1 refinement version: 3.8 X-PLOR Brunger, A.T.