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CLIP (86-100) is amino acids 86 to 100 fragment of class II-associated invariant chain peptide called CLIP. The major histocompatibility complex class II molecule displays peptide fragments of foreign proteins to trigger a defensive reaction from the immune system. Before insertion of the foreign peptides into the binding groove, a place-holding peptide CLIP is removed. CLIP (86-100) is accomplished by the molecule DM, which is shown to increase the dissociation rate of a CLIP peptide from class II.