Prokineticins are secreted proteins that can promote angiogenesis and induce strong gastrointestinal smooth muscle contraction. The protein encoded by this gene is an integral membrane protein and G protein-coupled receptor for prokineticins. The encoded protein is similar in sequence to GPR73, another G protein-coupled receptor for prokineticins. [provided by RefSeq, Jul 2008]
Function:
Prokineticins are secreted proteins that can promote angiogenesis and induce strong gastrointestinal smooth muscle contraction. GPR73B is an integral membrane protein and G protein-coupled receptor for prokineticins. The encoded protein is similar in sequence to GPR73, another G protein-coupled receptor for prokineticins. GPCR73B expression has been reported in brain, ovary, salivary gland, small intestine (ileocecum), testis, and thyroid. No human ESTs have been identified.
Subunit:
Homodimer.
Subcellular Location:
Cell Membrane; multi-pass membrane protein
Tissue Specificity:
Expressed in the ileocecum, thyroid gland, pituitary gland, salivary gland, adrenal gland, testis, ovary and brain.
DISEASE:
Hypogonadotropic hypogonadism 3 with or without anosmia (HH3) [MIM:244200]: A disorder characterized by absent or incomplete sexual maturation by the age of 18 years, in conjunction with low levels of circulating gonadotropins and testosterone and no other abnormalities of the hypothalamic-pituitary axis. In some cases, it is associated with non-reproductive phenotypes, such as anosmia, cleft palate, and sensorineural hearing loss. Anosmia or hyposmia is related to the absence or hypoplasia of the olfactory bulbs and tracts. Hypogonadism is due to deficiency in gonadotropin-releasing hormone and probably results from a failure of embryonic migration of gonadotropin-releasing hormone-synthesizing neurons. In the presence of anosmia, idiopathic hypogonadotropic hypogonadism is referred to as Kallmann syndrome, whereas in the presence of a normal sense of smell, it has been termed normosmic idiopathic hypogonadotropic hypogonadism (nIHH). Note=The disease is caused by mutations affecting distinct genetic loci, including the gene represented in this entry. The genetics of hypogonadotropic hypogonadism involves various modes of transmission. Oligogenic inheritance has been reported in some patients carrying mutations in PROKR2 as well as in other HH-associated genes including KAL1, SEMA3A, PROK2, GNRH1 and FGFR1 (PubMed:17054399, PubMed:22927827, PubMed:23643382).
Similarity:
Belongs to the G-protein coupled receptor 1 family.
SWISS:
Q8NFJ6
Gene ID:
128674
Database links:
Entrez Gene: 128674 Human
Omim: 607123 Human
SwissProt: Q8NFJ6 Human
Unigene: 375029 Human
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