Drosophila molting neurohormone bursicon is a heterodimer and the natural agonist of the orphan receptor DLGR24402, Mendive, F.M., Van Loy T., Claeysen S., Poels J, Williamson M., Hauser F., Grimmelikhuijzen C.J., Vassart G., and J. Broeck Vanden , FEBS Lett., 11/4/2005, Volume 579, Issue 10, Number 2176, p.2171 - 2176, (2005)