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- Table of Contents
Facts about Cannabinoid receptor 2.
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Human | |
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Gene Name: | CNR2 |
Uniprot: | P34972 |
Entrez: | 1269 |
Belongs to: |
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G-protein coupled receptor 1 family |
Cannabinoid R2; cannabinoid receptor 2 (macrophage); CannabinoidR2; CB-2; CB2cannabinoid receptor 2; CB2R; CNR2; CX5; CX5testis-dominant CNR2 isoform CB2; hCB2
Mass (kDA):
39.681 kDA
Human | |
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Location: | 1p36.11 |
Sequence: | 1; NC_000001.11 (23870515..23913362, complement) |
Preferentially expressed in cells of the immune system with higher expression in B-cells and NK cells (at protein level). Expressed in skin in suprabasal layers and hair follicles (at protein level). Highly expressed in tonsil and to a lower extent in spleen, peripheral blood mononuclear cells, and thymus. PubMed:14657172 could not detect expression in normal brain. Expressed in brain by perivascular microglial cells and dorsal root ganglion sensory neurons (at protein level). Two isoforms are produced by alternative promoter usage and differ only in the 5' UTR: isoform CB2A is observed predominantly in testis with some expression in brain, while isoform CB2B is predominant in spleen and leukocytes.
Cell membrane; Multi-pass membrane protein. Cell projection, dendrite. Perikaryon. Localizes to apical dendrite of pyramidal neurons.
PMID: 7689702 by Munro S., et al. Molecular characterization of a peripheral receptor for cannabinoids.
PMID: 19496827 by Liu Q.-R., et al. Species differences in cannabinoid receptor 2 (CNR2 gene): identification of novel human and rodent CB2 isoforms, differential tissue expression and regulation by cannabinoid receptor ligands.