1OSR

Structural study of dna duplex containaing a n-(2-deoxy-beta-erytho-pentofuranosyl) formamide frameshift by nmr and restrained molecular dynamics


SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents2 MM DNA, 10 MM PHOSPHATE BUFFER, 50 MM NACL, 0.2 MM EDTA
Solvent99.9% D2O
Ionic Strength10 MM PHOSPHATE BUFFER, 150 MM NACL, 0.2 MM EDTA
pH6.5
PressureAMBIENT
Temperature (K)290
Experiment(s):NOESY, COSY, DQFCOSY, TOCSY, HSQC 1H-31P
Spectrometer Information
Manufacturer Model Field Strength
BRUKER AVANCE 500.0
BRUKER AVANCE 600.0
NMR Refinement
Method MOLECULAR MODELING; SIMULATED ANNEALING; RESTRAINED MOLECULAR DYNAMICS SIMULATIONS
NMR Ensemble Information
Conformers Submitted Total Number 2
Representative Model Choice Rationale
1 those which were used to initiate molecular dynamic simulations
Additional NMR Experimental Information
1 THE STRUCTURES WERE DETERMINED USING PROTON NMR FOLLOWED BY DISTANCE RESTRAINED MOLECULAR DYNAMICS SIMULATIONS. TWO REPRESENTATIVE STRUCTURES OF THE TWO ISOMER CIS AND TRANS FOR THE FORMAMIDE RESIDUE ARE PRESENTED.
Computation: NMR Software
# Classification Software Name Author
1 processing XWINNMR 2.5 BRUKER
2 refinement MOLMOL 2.6 Koradi, Wuthrich
3 refinement MORCAD LEBRET
4 refinement AMBER KOLLMAN