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Schematic representation of (A) the self-assembly and gelation pathway of β-sheet forming peptides and (B) the fibers formed (side and top views). The peptide illustrated here is FEFKFEFK (F8) (F: phenylalanine, E: glutamic acid, K: lysine). (C) Chemical structures of F8 and KF8K (KFEFKFEFKK) peptides presented in a schematic antiparallel β-sheet conformation (top view).
