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Fig. 3 | Molecular Medicine

Fig. 3

From: The Role of Salt Bridge Formation in Glucagon: An Experimental and Theoretical Study of Glucagon Analogs and Peptide Fragments of Glucagon

Fig. 3

(A) A conformation of a heptapeptide fragment derived from glucagon representing residues 7–13: Thr7-Ser8-Asp9-Tyr10-Ser11-Lys12-Tyr13, featuring a hydrogen bond between the ε-amino group of lysine and the β-carboxyl group of Asp9. (B) An extended conformation of the heptapeptide in Figure 3A. (C) A coiled conformation of the heptapeptide in Figure 3A. (D) Another extended conformation of the heptapeptide in Figure 3A, different from the conformation in Figure 3B.

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Molecular Medicine

ISSN: 1528-3658