Predicted to enable signaling receptor binding activity. Involved in several processes, including cellular response to insulin stimulus; response to activity; and response to caloric restriction. Located in extracellular space. Biomarker of non-alcoholic fatty liver disease; obesity; polycystic ovary syndrome; and type 2 diabetes mellitus. Orthologous to human RARRES2 (retinoic acid receptor responder 2). [provided by Alliance of Genome Resources, Apr 2022]