Receptor for neurturin. Mediates the NRTN-induced autophosphorylation and activation of the RET receptor. Also able to mediate GDNF signaling through the RET tyrosine kinase receptor.
Participates in NRTN-induced 'Ser-727' phosphorylation of STAT3.
Subcellular locations: Cell membrane
Isoform 1 is found in both brain and placenta.