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Ln3+-Triggered self-assembly of a heterotrimer collagen mimetic peptide into luminescent nanofibers.

Type I collagen, the most abundant and arguably the most complex molecule in the human body, is an ABB heterotrimer that self-assembles to form well-defined nanofibers. We herein for the first time report the construction of peptides that could simultaneously mimic the heterotrimer composition and the self-assembly features of Type I collagen.