1D18

SOLUTION CONFORMATION OF PURINE-PYRIMIDINE DNA OCTAMERS USING NUCLEAR MAGNETIC RESONANCE, RESTRAINED MOLECULAR DYNAMICS AND NOE-BASED REFINEMENT


SOLUTION NMR
NMR Refinement
MethodDetailsSoftware
ENERGY MINIMIZATION, MOLECULAR DYNAMICSTHE STRUCTURE WAS REFINED AGAINST PRIMARY NOE DATA. THE R VALUE IS 0.23 OVER ALL OBSERVED, QUANTIFIED, NOE CROSSPEAK INTENSITIES. THE NOE-BASED PROCEDURE USED TO REFINE THESE STRUCTURES INCLUDED CORRELATION TIME ADJUSTMENT FACTORS, WHICH ARE APPROXIMATELY RELATED TO THE INVERSE OF THE TEMPERATURE FACTORS ASSOCIATED WITH X-RAY CRYSTALLOGRAPHY. THESE VALUES ARE INCLUDED IN THE COLUMN NORMALLY USED FOR TEMPERATURE FACTORS. VALUES OF 0.0 APPEAR FOR NON-HYDROGEN ATOMS, WHICH WERE NOT USED IN THE NMR CALCULATIONS. FURTHER DETAILS ARE GIVEN IN REFERENCE 1.GROMOS
NMR Ensemble Information
Conformer Selection Criteria
Conformers Calculated Total Number
Conformers Submitted Total Number1
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1refinementGROMOSDE VLIEG ET AL