<i>GPR45</i> | Class A Orphans | IUPHAR/BPS Guide to PHARMACOLOGY

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GPR45

Target not currently curated in GtoImmuPdb

Target id: 106

Nomenclature: GPR45

Family: Class A Orphans

Annotation status:  image of a green circle Annotated and expert reviewed. Please contact us if you can help with updates.  » Email us

Gene and Protein Information
class A G protein-coupled receptor
Species TM AA Chromosomal Location Gene Symbol Gene Name Reference
Human 7 372 2q11.1-q12 GPR45 G protein-coupled receptor 45 2
Mouse 7 373 1 C1 Gpr45 G protein-coupled receptor 45
Rat 7 373 9q22 Gpr45 G protein-coupled receptor 45
Previous and Unofficial Names
PSP24 | high-affinity lysophosphatidic acid receptor | PSP24alpha | PSP24A
Database Links
Specialist databases
GPCRDB gpr45_human (Hs), gpr45_mouse (Mm)
Other databases
Ensembl Gene
Entrez Gene
Human Protein Atlas
KEGG Gene
OMIM
RefSeq Nucleotide
RefSeq Protein
UniProtKB
Wikipedia
Tissue Distribution
Basal forebrain, frontal cortex, caudate, liver
Species:  Human
Technique:  Northern blot
References:  2
Neuronal cells, such as olfactory mitral cells, cortical neurons, hippocampal pyramidal cells, purkinje cells in the cerebellum
Species:  Mouse
Technique:  in situ hybridisation
References:  1
Brain
Species:  Mouse
Technique:  Northern blot
References:  1
Tissue Distribution Comments
No transcripts of GPR45 were detected in thalamus, hippocampus or putamen [2]. The expression of GPR45 in mouse brain starts from E13 and remains constant throughout adulthood [1].
Expression Datasets

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Log average relative transcript abundance in mouse tissues measured by qPCR from Regard, J.B., Sato, I.T., and Coughlin, S.R. (2008). Anatomical profiling of G protein-coupled receptor expression. Cell, 135(3): 561-71. [PMID:18984166] [Raw data: website]

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Biologically Significant Variants
Type:  Single nucleotide polymorphism
Species:  Human
Amino acid change:  L312F
Global MAF (%):  10
Subpopulation MAF (%):  AFR|AMR|ASN|EUR: 5|12|2|16
Minor allele count:  T=0.096/209
SNP accession: 
Validation:  1000 Genomes, HapMap

References

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1. Kawasawa Y, Kume K, Nakade S, Haga H, Izumi T, Shimizu T. (2000) Brain-specific expression of novel G-protein-coupled receptors, with homologies to Xenopus PSP24 and human GPR45. Biochem. Biophys. Res. Commun., 276 (3): 952-6. [PMID:11027574]

2. Marchese A, Sawzdargo M, Nguyen T, Cheng R, Heng HH, Nowak T, Im DS, Lynch KR, George SR, O'dowd BF. (1999) Discovery of three novel orphan G-protein-coupled receptors. Genomics, 56 (1): 12-21. [PMID:10036181]

Contributors

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