Enables glial cell-derived neurotrophic factor receptor activity. Involved in negative regulation of protein autophosphorylation. Predicted to be anchored component of membrane. Predicted to be part of receptor complex. Predicted to be active in external side of plasma membrane. Biomarker of Parkinsonism. Orthologous to human GFRA2 (GDNF family receptor alpha 2). [provided by Alliance of Genome Resources, Apr 2022]