Ligand for members of the frizzled family of seven transmembrane receptors. Probable developmental protein. May be a signaling molecule which affects the development of discrete regions of tissues. Is likely to signal over only few cell diameters.
Subcellular locations: Secreted, Extracellular space, Extracellular matrix
Expressed in fetal lung, kidney, adult heart, liver, skeletal muscle, and pancreas.