Predicted to be involved in several processes, including smoothened signaling pathway; social behavior; and thalamus development. Predicted to act upstream of or within chemical synaptic transmission and memory. Predicted to be integral component of membrane. Predicted to be active in plasma membrane and synapse. Human ortholog(s) of this gene implicated in autistic disorder. Orthologous to human PTCHD1 (patched domain containing 1). [provided by Alliance of Genome Resources, Apr 2022]