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SOLUTION NMR
Materials and Methods page
143D
  •   NMR Refinement Information Hide
    Refinement
    Method DISTANCE GEOMETRY, MOLECULAR DYNAMICS
    Details A SET OF SIX STRUCTURES WERE OBTAINED USING METRIC MATRIX DISTANCE GEOMETRY, AND SUBSEQUENTLY REFINED BY DISTANCE-RESTRAINED MOLECULAR DYNAMICS USING A SET OF INTER-PROTON DISTANCES AND DIHEDRAL ANGLE RESTRAINTS DERIVED FROM THE NMR DATA. THE SIX DISTANCE-REFINED STRUCTURES WERE REFINED FURTHER USING RELAXATION-MATRIX BASED NOE INTENSITY-RESTRAINED MOLECULAR DYNAMICS. THE FINAL SIX STRUCTURES WERE OBTAINED BY TAKING THE AVERAGE COORDINATES OF THE LAST 2 PS OF THE DYNAMICS DURING RELAXATION MATRIX REFINEMENT AND MINIMIZED. THE R(1/6) VALUE WAS USED TO REFINE THE STRUCTURE DURING RELAXATION MATRIX REFINEMENT. THE R(1/6) FACTOR AND THE RMS DEVIATIONS FROM IDEAL GEOMETRY FOR THE SIX FINAL STRUCTURES ARE: MODEL1 MODEL2 MODEL3 MODEL4 MODEL5 MODEL6 R(1/6) FACTOR 0.021 0.016 0.022 0.026 0.024 0.027 BOND (ANG) 0.009 0.008 0.009 0.011 0.009 0.011 ANGLES (DEG) 2.949 3.085 3.286 3.853 3.038 3.157 IMPROPERS (DEG) 0.285 0.221 0.267 0.235 0.243 0.248
     
  •   NMR Ensemble Information Hide
    Ensemble
    Conformer Selection Criteria all calculated structures submitted
    Conformers Calculated Total Number 6
    Conformers Submitted Total Number 6
     
  •   Software and Computing Hide
    Computing
    Structure Solution X-PLOR
    Structure Refinement X-PLOR
     
    Software
    refinement X-PLOR
    model building X-PLOR
     
    NMR Software
    Authors BRUNGER
    Classification refinement
    Software Name X-PLOR