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Parathyroid hormone 2 receptor is a protein that in humans is encoded by the PTH2Rgene.[5]
Function
The protein encoded by this gene is a member of the G protein-coupled receptor family 2. This protein is a receptor for parathyroid hormone (PTH). This receptor is more selective in ligand recognition and has a more specific tissue distribution compared to parathyroid hormone 1 receptor (PTH1R). It is activated by PTH but not by parathyroid hormone-like hormone (PTHLH) and is particularly abundant in the brain and pancreas.[5]
The molecular interaction of the PTH2 receptor with the peptideTIP39 has been characterized in full 3D molecular detail, identifying among other residues Tyr-318 in transmembrane helix 5 as a key residue for high affinity binding.[6]
Usdin TB, Modi W, Bonner TI (1997). "Assignment of the human PTH2 receptor gene (PTHR2) to chromosome 2q33 by fluorescence in situ hybridization". Genomics. 37 (1): 140–1. doi:10.1006/geno.1996.0532. PMID8921382.
Seeliger S, Hausberg M, Eue I, et al. (2003). "The parathyroid hormone-2 receptor is expressed on human leukocytes and down-regulated in hyperparathyroidism". Clin. Nephrol. 59 (6): 429–35. doi:10.5414/CNP59429. PMID12834174.