Gene Symbol | PTGDR2 |
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Entrez Gene | 11251 |
Alt Symbol | CD294, CRTH2, DL1R, DP2, GPR44 |
Species | Human |
Gene Type | protein-coding |
Description | prostaglandin D2 receptor 2 |
Other Description | G protein-coupled receptor 44|G-protein coupled receptor 44|chemoattractant receptor homologous molecule expressed on T helper type 2 cells|chemoattractant receptor-homologous molecule expressed on TH2 cells|putative G-protein coupled receptor 44 |
Swissprots | Q4QRI6 Q9Y5Y4 O94765 |
Accessions | AAD21055 EAW73902 Q9Y5Y4 AB008535 BAA74518 AF144308 AAD34539 AK291371 BAF84060 AK313849 AY507142 AAR92484 BC096841 AAH96841 NM_004778 NP_004769 |
Function | Receptor for prostaglandin D2 (PGD2). Coupled to the G(i)-protein. Receptor activation may result in pertussis toxin- sensitive decreases in cAMP levels and Ca(2+) mobilization. PI3K signaling is also implicated in mediating PTGDR2 effects. PGD2 induced receptor internalization. CRTH2 internalization can be regulated by diverse kinases such as, PKC, PKA, ADRBK1/GRK2, GPRK5/GRK5 and GRK6. Receptor activation is responsible, at least in part, in immune regulation and allergic/inflammation responses. {ECO:0000269|PubMed:11208866, ECO:0000269|PubMed:11535533, ECO:0000269|PubMed:17196174}. |
Subcellular Location | Cell membrane {ECO:0000305}; Multi-pass membrane protein {ECO:0000305}. Note=Internalized receptors colocalized with RAB11A. {ECO:0000269|PubMed:17207480}. |
Tissue Specificity | Widespread expression. High expression in stomach, small intestine, heart and thymus. Intermediate expression in colon, spinal cord and peripheral blood and low expression in brain, skeletal muscle and spleen. Expressed also on Th2- and Tc2- type cells, eosinophils and basophils. {ECO:0000269|PubMed:11168006, ECO:0000269|PubMed:11208866, ECO:0000269|PubMed:12466225, ECO:0000269|PubMed:9973380}. |
GPCR GPR44 peptide - ab200840 from Abcam
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GPR44 / CRTH2 Antibody Blocking Peptide - LS-E28771 from LifeSpan Bioscience
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GPR44 / CRTH2 Antibody Blocking Peptide - LS-E28770 from LifeSpan Bioscience
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GPR44 / CRTH2 Antibody Blocking Peptide - LS-E28772 from LifeSpan Bioscience
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GPR44 / CRTH2 Antibody Blocking Peptide - LS-E31387 from LifeSpan Bioscience
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GPR44 / CRTH2 Antibody Blocking Peptide - LS-E28308 from LifeSpan Bioscience
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GPR44 / CRTH2 Antibody Blocking Peptide - LS-E30305 from LifeSpan Bioscience
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GPR44 / CRTH2 Antibody Blocking Peptide - LS-E30306 from LifeSpan Bioscience
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CRTH-2/GPR44 Blocking Peptide - NBP1-76755PEP from Novus Biologicals
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CRTH-2/GPR44 Blocking Peptide - NBP1-76756PEP from Novus Biologicals
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CD294 / GPR44 control peptide - AP26180CP-N from Acris Antibodies
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CD294 / GPR44 control peptide - AP26181CP-N from Acris Antibodies
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CD294 / GPR44 Control Peptide - SP4548CP from Acris Antibodies
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CRTH2 Peptide - 4027P from ProSci
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CRTH2 Peptide - 4029P from ProSci
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PTGDR2 Peptide - 7191P from ProSci
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ChemiSCREEN™ CRTH2 Membrane Preparation - HTS031M from EMD Millipore
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DP-2 (D113) Peptide - BS2873P from Bioworld Technology
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PTGDR2 Peptide, Human - M34GP12655H from Creative Peptides
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Prostaglandin D2 receptor 2 (PTGDR2), Recombinant Protein - MBS7028188 from MyBioSource
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