Predicted to enable identical protein binding activity; melanocortin receptor binding activity; and signaling receptor regulator activity. Predicted to be involved in several processes, including energy homeostasis; negative regulation of protein localization to plasma membrane; and regulation of adenylate cyclase-activating G protein-coupled receptor signaling pathway. Predicted to be located in endoplasmic reticulum membrane. Predicted to be integral component of membrane. Predicted to be active in endoplasmic reticulum and plasma membrane. Human ortholog(s) of this gene implicated in obesity. Orthologous to human MRAP2 (melanocortin 2 receptor accessory protein 2). [provided by Alliance of Genome Resources, Apr 2022]