✦ LIBER ✦

Regarding HCC(O)-15N coupling as an indicator of peptide torsional angle

✍ Scribed by K.D. Kopple; A. Ahsan; M. Barfield

Book ID: 104246006
Publisher: Elsevier Science
Year: 1978
Tongue: French
Weight: 214 KB
Volume: 19
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)94981-0

No coin nor oath required. For personal study only.

✦ Synopsis

The use of vicinal H-Ca-Ct-15N coupling constants as an indicator of the corresponding pep. tide dihedral angle, $, has been an attractive possibility to students of peptide conforma-tionjly2 Although correlations have been proposed that predict readily observable magnitudes for JHN at some angles, 394 the couplings estimated from actual spectra have been small, less than 2 Hz. This has sometimes been attributed to conformational averaging of positive and negative values.

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