Open AccessNuclear Magnetic Resonance Determination of the Angle Ψ in Peptides
Author(s) -
Susan Karplus,
Martin Karplus
Publication year - 1972
Publication title -
proceedings of the national academy of sciences of the united states of america
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.69.11.3204
Subject(s) - dihedral angle , simple (philosophy) , coupling constant , nuclear magnetic resonance , resonance (particle physics) , materials science , physics , atomic physics , molecule , hydrogen bond , philosophy , epistemology , particle physics , quantum mechanics
A simple theoretical model is used to suggest that the NCCH coupling constant,Jnh , has a dihedral angle dependence that can serve for estimating the angle Ψ in peptides. Some experimental comparisons are made to test the model; they include a new measurement ofJnh inN -acetylglycine.