Enables G protein-coupled receptor activity. Predicted to be involved in G protein-coupled receptor signaling pathway and circadian rhythm. Predicted to be located in plasma membrane. Predicted to be integral component of plasma membrane. Human ortholog(s) of this gene implicated in hypogonadotropic hypogonadism 3 with or without anosmia. Orthologous to human PROKR2 (prokineticin receptor 2). [provided by Alliance of Genome Resources, Apr 2022]