Biology:Hydroxycarboxylic acid receptor 3

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Short description: Protein-coding gene in the species Homo sapiens


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

Hydroxycarboxylic acid receptor 3 (HCA3), also known as niacin receptor 2 (NIACR2) and GPR109B,[1] is a protein which in humans is encoded by the HCAR3 gene.[2][3] HCA3, like the other hydroxycarboxylic acid receptors HCA1 and HCA2, is a Gi/o-coupled G protein-coupled receptor (GPCR).[1][4] The primary endogenous agonists of HCA3 are 3-hydroxyoctanoic acid and kynurenic acid.[1][4][5] HCA3 is also a low-affinity biomolecular target for niacin (aka nicotinic acid).[6]

References

  1. 1.0 1.1 1.2 "International Union of Basic and Clinical Pharmacology. LXXXII: Nomenclature and Classification of Hydroxy-carboxylic Acid Receptors (GPR81, GPR109A, and GPR109B)". Pharmacological Reviews 63 (2): 269–90. June 2011. doi:10.1124/pr.110.003301. PMID 21454438. 
  2. "Entrez Gene: GPR109B G protein-coupled receptor 109B". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=8843. 
  3. "Molecular cloning of cDNAs encoding a LD78 receptor and putative leukocyte chemotactic peptide receptors". International Immunology 5 (10): 1239–49. October 1993. doi:10.1093/intimm/5.10.1239. PMID 7505609. 
  4. 4.0 4.1 "Hydroxycarboxylic acid receptors". International Union of Basic and Clinical Pharmacology. http://www.guidetopharmacology.org/GRAC/FamilyDisplayForward?familyId=48. 
  5. Kapolka, NJ; Taghon, GJ; Rowe, JB; Morgan, WM; Enten, JF; Lambert, NA; Isom, DG (9 June 2020). "DCyFIR: a high-throughput CRISPR platform for multiplexed G protein-coupled receptor profiling and ligand discovery.". Proceedings of the National Academy of Sciences of the United States of America 117 (23): 13117–13126. doi:10.1073/pnas.2000430117. PMID 32434907. Bibcode2020PNAS..11713117K. 
  6. Peters, A; Krumbholz, P; Jäger, E; Heintz-Buschart, A; Çakir, MV; Rothemund, S; Gaudl, A; Ceglarek, U et al. (May 2019). "Metabolites of lactic acid bacteria present in fermented foods are highly potent agonists of human hydroxycarboxylic acid receptor 3.". PLOS Genetics 15 (5): e1008145. doi:10.1371/journal.pgen.1008145. PMID 31120900. 

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Further reading