Predicted to enable calcium ion binding activity. Involved in establishment of planar polarity and neural tube closure. Acts upstream of or within several processes, including Rho protein signal transduction; apical protein localization; and morphogenesis of an epithelium. Located in membrane. Is expressed in several structures, including blastocyst; central nervous system; epithelium; primitive streak; and renal cortex. Human ortholog(s) of this gene implicated in hereditary lymphedema. Orthologous to human CELSR1 (cadherin EGF LAG seven-pass G-type receptor 1). [provided by Alliance of Genome Resources, Apr 2022]