Snake and Spider Toxins by Unknown

Author:Unknown
Language: eng
Format: epub
ISBN: 9781493998456
Publisher: Springer US

Fig. 7Natural abundance 1H–13C-HSQC spectrum of a conotoxin peptide, acquired at 0.3 mM, 298 K, 100% D2O, and pH 4 on a Bruker Avance 600 NMR spectrometer equipped with a cryoprobe. The typical clustering of different types of peptide 1H–13C cross peaks, useful for confirming side-chain assignments, is highlighted by boxes and resonance identifiers

3.4 Secondary Structure Predictions

1.Calculate and plot the secondary Hα (and Cα/Cβ) chemical shifts and evaluate distance restraint patterns to gain a first insight into potential secondary structure elements present in the peptide (see Note 25 , Figs. 8 and 9).

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