H-Ile-Phe-OH

A dipeptide able to self-associate in aqueous solution as a transparent, thermoreversible gel formed by a network of fibrillar nanostructures that exhibit strong birefringence upon Congo red binding. L-Isoleucyl-L-phenylalanine and similar dipeptides may serve as models for studying the first steps of the aggregation/fibrillation of amyloid peptides.