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Peptide RADA16-1. (A) Molecular model of the RADA16-1; (B) Molecular model of numerous RADA16-1 as they undergo self-assembly to form nanofibers with the hydrophobic alanine sandwiched inside and hydrophilic residues on the outside; (C) The RADA16-1 nanofibers was examined by using atomic force microscopy (AFM); (D) RADA16-1 gelatinized into hydrogel.
