The tweety (tty) gene has not been characterised at the protein level. However, it is thought to form a membrane protein with five potential membrane-spanning regions. A number of potential functions have been suggested in [1].

1: Human and mouse homologues of the Drosophila melanogaster tweety (tty) gene: a novel gene family encoding predicted transmembrane proteins. Campbell HD, Kamei M, Claudianos C, Woollatt E, Sutherland GR, Suzuki Y, Hida M, Sugano S, Young IG; Genomics 2000;68:89-92. PMID:10950931