Fig. 2 | Journal of Biomolecular NMR

Fig. 2

From: On the use of 3J-coupling NMR data to derive structural information on proteins

Fig. 2

Left panel: 3JHNHα-coupling Karplus curves as function of the φ-angle (black lines: from Pardi et al. 1984; blue lines: from Brüschweiler and Case 1994; solid lines: α hydrogen and α2 Re hydrogen for Gly; dashed lines: α3 Si hydrogen for Gly). Right panel: 3JHα-Hβ-coupling Karplus curves as function of the χ1-angle from deMarco et al. 1978 (solid line: β hydrogen for Ile and Thr and β2 hydrogen, dashed line: β hydrogen for Val and β3 hydrogen)

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