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You can:

Check the GPCR table for details.
Go to the ligand list to see ligands that interacts with this GPCR.
Go to the individual ligand page for PubMed ID information by text mining.
Download a TSV version of all interaction data.
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GPCR

Name	Prostacyclin receptor
Species	Rattus norvegicus (Rat)
Gene	Ptgir
Synonym	PGI receptor PGI2 receptor IP receptor prostacyclin receptor prostaglandin I2 (prostacyclin) receptor (IP) prostaglandin I2 receptor prostanoid IP receptor [ Show all ]
Disease	N/A for non-human GPCRs
Length	416
Amino acid sequence	MVASGGRPDGPPSITPESPLIVGGREWQGMAGSCWNITYVQDSVGPATSTLMFVAGVVGNGLALGILGARRRSHPSAFAVLVTGLAVTDLLGTCFLSPAVFVAYARNSSLLGLAHGGTMLCDTFAFAMTFFGLASTLILFAMAVERCLALSHPYLYAQLDGPRCARLALPAIYAFCCLFCSLPLLGLGEHQQYCPGSWCFIRMRSPQPGGCAFSLAYASLMALLVTSIFFCNGSVTLSLCHMYRQQRRHHGSFVPTSRAREDEVYHLILLALMTGIMAVCSLPLTIRGFTQAIAPDSREMGDLHAFRFNAFNPILDPWVFILFRKAVFQRLKFWLCCLCARSVHGDLQTPLSRPVSGRRDTLAPDSLQAKEGNWVPLSTWGTGQVAPLTAVPLSGGDGCSVGMPSKTEAVVACSLC
UniProt	P43253
Protein Data Bank	N/A
GPCR-HGmod model	N/A
3D structure model	No available structures or models
BioLiP	N/A
Therapeutic Target Database	N/A
ChEMBL	CHEMBL3322
IUPHAR	345
DrugBank	N/A

Known ligands

You can:

Click GLASS IDs to check the association information.
Click ligand names to check details of the ligands.
Download a TSV version of all interaction information.
Download a SDF structure collection of all known ligands.

GLASS ID	Molecule	Formula	Molecular weight	H-bond acceptor / donor	XlogP	Lipinski's druglikeness
442473	CHEMBL3398215	C30H28N2O5	496.563	6 / 1	5.2	No
442511	CHEMBL3398214	C29H25FN2O4	484.527	6 / 1	5.3	No
443150	CHEMBL3398230	C29H25FN2O4	484.527	6 / 1	5.0	Yes
41377	CHEMBL439357	C28H25N2NaO4	476.508	6 / 0	N/A	N/A
41378	CHEMBL438092	C28H25N2NaO4	476.508	6 / 0	N/A	N/A
443593	CHEMBL3398228	C29H24F2N2O4	502.518	7 / 1	5.1	No
553484	beraprost	C24H30O5	398.499	5 / 3	3.2	Yes
65573	FR-181157	C30H26NNaO4	487.531	5 / 0	N/A	N/A
444329	CHEMBL3398229	C30H27FN2O5	514.553	7 / 1	5.0	No
444465	CHEMBL3398209	C30H28N2O4	480.564	5 / 1	5.6	No
444478	CHEMBL3398220	C31H30N2O5	510.59	6 / 1	5.6	No
445163	CHEMBL3398207	C30H28N2O5	496.563	6 / 1	5.2	No
445958	CHEMBL3398208	C30H28N2O5	496.563	6 / 1	5.2	No
446090	CHEMBL3398231	C29H25FN2O4	484.527	6 / 1	5.0	Yes
553855	[3H]-Iloprost	C22H32O4	362.502	4 / 3	2.8	Yes
446618	CHEMBL3398217	C29H25FN2O4	484.527	6 / 1	5.3	No
446755	CHEMBL3398222	C29H26N2O4	466.537	5 / 1	4.9	Yes
447103	CHEMBL3398227	C29H25FN2O4	484.527	6 / 1	5.0	Yes
448110	CHEMBL3398224	C29H25FN2O4	484.527	6 / 1	5.0	Yes
448893	CHEMBL3398221	C30H27FN2O5	514.553	7 / 1	5.3	No
449964	CHEMBL3398210	C29H25FN2O4	484.527	6 / 1	5.3	No
450068	CHEMBL3398212	C30H27FN2O5	514.553	7 / 1	5.3	No
450180	CHEMBL3398236	C29H23F3N2O4	520.508	8 / 1	5.2	No
450183	CHEMBL3398235	C29H23F3N2O4	520.508	8 / 1	5.2	No
554480	MRE-269	C25H29N3O3	419.525	6 / 1	4.5	Yes
451637	CHEMBL3398213	C30H28N2O5	496.563	6 / 1	5.2	No
452183	CHEMBL3398234	C30H27FN2O5	514.553	7 / 1	5.0	No
452216	CHEMBL3398223	C30H28N2O5	496.563	6 / 1	4.9	Yes
288232	BDBM50136234	C30H26NO4-	464.541	5 / 0	7.4	No
554712	Selexipag	C26H32N4O4S	496.626	7 / 1	3.8	Yes
302409	abt-702	C22H19BrN6O	463.339	7 / 1	3.4	Yes
454214	CHEMBL3398218	C30H27FN2O5	514.553	7 / 1	5.3	No
455455	CHEMBL3398226	C30H28N2O5	496.563	6 / 1	4.9	Yes
455886	CHEMBL3398219	C30H27FN2O5	514.553	7 / 1	5.3	No
374049	CHEMBL244946	C31H35N7S	537.73	6 / 0	5.4	No
456847	CHEMBL3398216	C30H28N2O4	480.564	5 / 1	5.6	No
383518	CHEMBL438092	C28H25N2O4-	453.518	6 / 0	3.5	Yes
383521	CHEMBL439357	C28H25N2O4-	453.518	6 / 0	3.5	Yes
457173	CHEMBL3398225	C29H25ClN2O4	500.979	5 / 1	5.5	No
457400	CHEMBL3398232	C29H25FN2O4	484.527	6 / 1	5.0	Yes
457426	CHEMBL3398211	C29H25ClN2O4	500.979	5 / 1	5.9	No
457899	CHEMBL3398233	C30H28N2O5	496.563	6 / 1	4.9	Yes
458419	CHEMBL3398206	C29H26N2O4	466.537	5 / 1	5.2	No

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