MGI:1347010 V1BR genetic mapping Gene arginine vasopressin receptor 1B VPR3 V3/V1b V3/V1b pituitary vasopressin receptor Avpr1b AVPR3 http://identifiers.org/mgd/MGI:1347010 O V1bR AVPR3|V1bR|VPR3|V1BR|V3/V1b pituitary vasopressin receptor|V3/V1b + protein coding gene