This family of proteins plays a role in the moulting cycle of nematodes, which involves the synthesis of a new collagen-rich cuticle underneath the existing cuticle and the subsequent removal of the old cuticle [1].

1: MLT-10 defines a family of DUF644 and proline-rich repeat proteins involved in the molting cycle of Caenorhabditis elegans. Meli VS, Osuna B, Ruvkun G, Frand AR; Mol Biol Cell. 2010;21:1648-1661. PMID:20335506