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UniProt functional annotation for P46093 | ||
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| UniProt code: P46093. |
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| Organism: | |
Homo sapiens (Human). |
| Taxonomy: | |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo. |
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| Function: | |
Proton-sensing G-protein coupled receptor couples to multiple intracellular signaling pathways, including GNAS/cAMP, GNAQ/phospholipase C (PLC), and GNA12/GNA13/Rho pathways (PubMed:12955148, PubMed:17462861, PubMed:22110680, PubMed:20211729). Acidosis-induced GPR4 activation increases paracellular gap formation and permeability of vascular endothelial cells through the GNA12/GNA13/Rho GTPase signaling pathway (PubMed:32058960). In the brain may mediate central respiratory sensitivity to CO(2)H(+) (By similarity). {ECO:0000250|UniProtKB:Q8BUD0, ECO:0000269|PubMed:12955148, ECO:0000269|PubMed:17462861, ECO:0000269|PubMed:20211729, ECO:0000269|PubMed:22110680, ECO:0000269|PubMed:32058960}. |
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| Subcellular location: | |
Cell membrane {ECO:0000269|PubMed:17462861, ECO:0000269|PubMed:20211729}; Multi-pass membrane protein {ECO:0000255}. |
| Similarity: | |
Belongs to the G-protein coupled receptor 1 family. {ECO:0000255|PROSITE-ProRule:PRU00521}. |
| Sequence caution: | |
Sequence=AAA63180.1; Type=Frameshift; Evidence={ECO:0000305}; |
Annotations taken from UniProtKB at the EBI.