Natural abundant solid state NMR studies in designed tripeptides for differentiation of multiple conformers
S Jayanthi, B Chatterjee… - … : Original Research on …, 2009 - Wiley Online Library
S Jayanthi, B Chatterjee, S Raghothama
Biopolymers: Original Research on Biomolecules, 2009•Wiley Online Library… In NMR, based on a large set of data, it has been shown that chemical shift information
can be used directly in predicting conformation and hence the secondary structure to a large
extent.36, 37 Cis/trans conformers involving Proline residues are distinguished based on the
difference (Δδ), between the C β and C γ chemical shifts.38, 39 In this study, this diagnostic
chemical shift difference is made use of in elucidating the cis/trans conformers. For peptide
(1) in the solid state, the (Δδ) of Proline (2) residue is 10.3 and 9.48 ppm for the two cis …
can be used directly in predicting conformation and hence the secondary structure to a large
extent.36, 37 Cis/trans conformers involving Proline residues are distinguished based on the
difference (Δδ), between the C β and C γ chemical shifts.38, 39 In this study, this diagnostic
chemical shift difference is made use of in elucidating the cis/trans conformers. For peptide
(1) in the solid state, the (Δδ) of Proline (2) residue is 10.3 and 9.48 ppm for the two cis …
Abstract
Solid state NMR (SSNMR) experiments on heteronuclei in natural abundance are described for three synthetically designed tripeptides Piv-LPro-LPro-LPhe-
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