Automated description from the Alliance of Genome Resources (Release 7.0.0)
Enables G protein-coupled serotonin receptor activity. Involved in G protein-coupled receptor signaling pathway; maintenance of gastrointestinal epithelium; and mucus secretion. Is active in plasma membrane. Is expressed in several structures, including brain; gallbladder; genitourinary system; gut; and spinal cord. Used to study anorexia nervosa. Orthologous to human HTR4 (5-hydroxytryptamine receptor 4).