443 EDNRB Non-specific receptor for endothelin 1, 2, and 3. Mediates its action by association with G proteins that activate a phosphatidylinositol-calcium second messenger system. EDNRB_HORSE MQPLPTLCGRVLVALILACGVAGVQGEERRFPPARATPPLLGFEEIMTPPTKTSWPTGSNASVPRLSAPPQMPKAGRTAGAQRRTLPPPPCERTIEIKETFKYINTVVSCLVFVLGIIGNSTLLRIIYKNKCMRNGPNILIASLALGDLLHIIIDIPINVYKLLAEDWPFGVEMCKLVPFIQKASVGITVLSLCALSIDRYRAVASWSRIKGIGVPKWTAVEIVLIWVVSVVLAVPEAVGFDMITADYKGSYLRICLLHPTQKTAFMQFYKNAKDWWLFSFYFCLPLAITAFFYTLETCEMLRKKSGMQIALNDHLKQRREVAKTVFCLVLVFALCWLPLHLSRILKHTLYDQNDPHRCELLSFLLVLEYIGINMASLNSCINPIALYLVSKRFKNCFKWCLCCWCQSFEEKQSLEDKQSCLKFKANDHGYDNFRSSNKYSSS Endothelin B receptor Endothelin receptor non-selective type