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Merck

HRH3

histamine receptor H3

Synonyms:
GPCR97, HH3R
Species:
UniProtKB ID:
Gene ID:
  • Human(11255) Summary: Histamine is a ubiquitous messenger molecule released from mast cells, enterochromaffin-like cells, and neurons. Its various actions are mediated by histamine receptors H1, H2, H3 and H4. This gene encodes one of the histamine receptors (H3) which belongs to the family 1 of G protein-coupled receptors. It is an integral membrane protein and can regulate neurotransmitter release. This receptor can also increase voltage-dependent calcium current in smooth muscles and innervates the blood vessels and the heart in cardiovascular system. [provided by RefSeq, Jul 2008]
  • Mouse(99296) histamine receptor H3
  • Rat(85268) histamine receptor H3
  • sheep(101121700) histamine receptor H3
  • Domestic Rabbit(100009035) histamine receptor H3
  • chicken(428147) histamine receptor H3
  • dog(477282) histamine receptor H3
  • domestic cat(101084437) histamine receptor H3
  • cow(789851) histamine receptor H3
  • Zebrafish(561773) histamine receptor H3
  • domestic guinea pig(100135541) histamine receptor H3

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Small Molecule - Agonist

Product Number
Description
Species
Betahistine dihydrochloride, ≥98%,
Species
human
Betahistine hydrochloride, United States Pharmacopeia (USP) Reference Standard,
Species
human
Betahistine Hydrochloride, Pharmaceutical Secondary Standard; Certified Reference Material,
Species
human

Small Molecule - Antagonist

Product Number
Description
Species
Betahistine dihydrochloride, ≥98%,
Species
human
Betahistine hydrochloride, United States Pharmacopeia (USP) Reference Standard,
Species
human
Betahistine Hydrochloride, Pharmaceutical Secondary Standard; Certified Reference Material,
Species
human