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Figure 1.
Fig. 1. Structure of PGN and PGN derivatives. (A) Schematic
representation of Lys-type PGNs. Lys-type PGN peptides are
usually cross-linked through a peptide bridge composed of one to
five glycines. The fragment shown in red corresponds to GMPP.
(B) Chemical structure of GMPP. (C) GMPP[2]. (D) MPP (R^1, H)
and MPP-Dap (R^1, COOH).
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