Fourier-transformed 13C NMR spectra of polyuridylic acid, uridine, and related nucleotides — The use of 31POC13C couplings for conformational analysis

Dihedral-angle dependence of the vicinal

Dihedral-angle dependence of the vicinal 15N,13C spin-coupling constants. A new NMR parameter for the conformational analysis of amino acids and peptides

✍ Masatsune Kainosho; Takashi Tsuji 📂 Article 📅 1981 🏛 John Wiley and Sons 🌐 English ⚖ 394 KB

## Abstract The first successful observation of the vicinal ^15^N,^13^C spin‐coupling constants in a series of amino acids, comprising Val, Ile, Leu and Thr, in which the α‐nitrogens are fully replaced with ^15^N, is described. A Karplus‐type dihedral‐angle dependence was noted for the coupling con