Fringe-like. The drosophila protein fringe (FNG) is a glucosaminyltransferase that controls the response of the Notch receptor to specific ligands. FNG is localized to the Golgi apparatus (not secreted as previously thought). Modification of Notch occurs through glycosylation by FNG. The xenopus homolog, lunatic fringe, has been implicated in a variety of functions.
Subfamily of PAN/APPLE-like domains; present in plasma prekallikrein/coagulation factor XI, microneme antigen proteins, and a few prokaryotic proteins. PAN/APPLE domains fulfill diverse biological functions by mediating protein-protein or protein-carbohydrate interactions.
Plant PAN/APPLE-like domain; present in plant S-receptor protein kinases and secreted glycoproteins. PAN/APPLE domains fulfill diverse biological functions by mediating protein-protein or protein-carbohydrate interactions. S-receptor protein kinases and S-locus glycoproteins are involved in sporophytic self-incompatibility response in Brassica, one of probably many molecular mechanisms, by which hermaphrodite flowering plants avoid self-fertilization.