[Term] id: PR:000001565 name: H4 histamine receptor def: "A histamine receptor that is a translation product of the human HRH4 gene or a 1:1 ortholog thereof. The preferred ligand is histamine. This receptor is expressed primarily in the bone marrow and eosinophils but also in a wide variety of peripheral tissues, including the heart, kidney, liver, lung, pancreas, skeletal muscle, prostate, small intestine, spleen, testis, colon, fetal liver and lymph node." [PRO:WCB, UniProtKB:Q9H3N8] comment: Category=gene. synonym: "HRH4" EXACT PRO-short-label [PRO:DNx] synonym: "AXOR35" EXACT [] synonym: "GPRv53" EXACT [] synonym: "H4R" EXACT [] synonym: "HH4R" EXACT [] synonym: "Pfi-013" EXACT [] synonym: "SP9144" EXACT [] synonym: "G-protein coupled receptor 105" RELATED [] synonym: "GPCR105" RELATED Gene-based [] xref: IUPHARobj:265 property_value: has_archetype PR:Q9H3N8 is_a: PR:000049994 ! histamine receptor