NP_808219.1
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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UniProt Secondary Accession #
UniProt Related Accession #
Molecular Weight
41,850 Da
NCBI Official Full Name
hydroxycarboxylic acid receptor 2
NCBI Official Synonym Full Names
hydroxycarboxylic acid receptor 2
NCBI Official Synonym Symbols
HCA2; HM74a; HM74b; PUMAG; NIACR1; Puma-g; GPR109A [Similar Products]
NCBI Protein Information
hydroxycarboxylic acid receptor 2
UniProt Protein Name
Hydroxycarboxylic acid receptor 2
UniProt Synonym Protein Names
G-protein coupled receptor 109A; G-protein coupled receptor HM74A; Niacin receptor 1; Nicotinic acid receptor
UniProt Synonym Gene Names
UniProt Entry Name
HCAR2_HUMAN
UniProt Comments for HCAR2
GPR109A: Acts as a high affinity receptor for both nicotinic acid (also known as niacin) and (D)-beta-hydroxybutyrate and mediates increased adiponectin secretion and decreased lipolysis through G(i)-protein-mediated inhibition of adenylyl cyclase. This pharmacological effect requires nicotinic acid doses that are much higher than those provided by a normal diet. Mediates nicotinic acid-induced apoptosis in mature neutrophils. Receptor activation by nicotinic acid results in reduced cAMP levels which may affect activity of cAMP-dependent protein kinase A and phosphorylation of target proteins, leading to neutrophil apoptosis. The rank order of potency for the displacement of nicotinic acid binding is 5- methyl pyrazole-3-carboxylic acid = pyridine-3-acetic acid > acifran > 5-methyl nicotinic acid = acipimox >> nicotinuric acid = nicotinamide. Belongs to the G-protein coupled receptor 1 family.
Protein type: GPCR, family 1; Receptor, GPCR; Membrane protein, multi-pass; Membrane protein, integral
Chromosomal Location of Human Ortholog: 12q24.31
Cellular Component: cell junction; integral to membrane; plasma membrane
Biological Process: G-protein coupled receptor protein signaling pathway; negative regulation of lipid catabolic process; neutrophil apoptosis; positive regulation of neutrophil apoptosis
Research Articles on HCAR2
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Pathways associated with HCAR2 recombinant protein
Diseases associated with HCAR2 recombinant protein
Organs/Tissues associated with HCAR2 recombinant protein
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