We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTwo-amino acid molecular switch in an epithelial morphogen that regulates binding to two distinct receptors.AuthorsYan, Minhong; Wang, Li-Chong; Hymowitz, Sarah G.PublicationScience, 2000, Vol 290, Issue 5491, p523ISSN0036-8075Publication typearticleDOI10.1126/science.290.5491.523