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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	Muscarinic acetylcholine receptor M2
Species	Sus scrofa (Pig)
Gene	CHRM2
Synonym	N/A
Disease	N/A for non-human GPCRs
Length	466
Amino acid sequence	MNNSTNSSNSGLALTSPYKTFEVVFIVLVAGSLSLVTIIGNILVMVSIKVNRHLQTVNNYFLFSLACADLIIGVFSMNLYTLYTVIGYWPLGPVVCDLWLALDYVVSNASVMNLLIISFDRYFCVTKPLTYPVKRTTKMAGMMIAAAWVLSFILWAPAILFWQFIVGVRTVEDGECYIQFFSNAAVTFGTAIAAFYLPVIIMTVLYWHISRASKSRIKKDKKEPVANQEPVSPSLVQGRIVKPNNNNMPGSDEALEHNKIQNGKAPRDAVTENCVQGEEKESSNDSTSVSAVASNMRDDEITQDENTVSTSLGHSKDENSKQTCIKIVTKTQKSDSCTPANTTVELVGSSGQNGDEKQNIVARKIVKMTKQPAKKKPPPSREKKVTRTILAILLAFIITWAPYNVMVLINTFCAPCIPNTVWTIGYWLCYINSTINPACYALCNATFKKTFKHLLMCHYKNIGATR
UniProt	P06199
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	CHEMBL4781
IUPHAR	N/A
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
133	CHEMBL169001	C34H48N4O4+2	576.782	4 / 0	4.9	No
363	CHEMBL31533	C19H29N2O3+	333.452	3 / 1	2.6	Yes
6953	CHEMBL609120	C42H58N4O4	682.95	6 / 0	8.1	No
8906	CHEMBL165814	C30H40Br2N4O4	680.482	6 / 0	N/A	No
9573	CHEMBL609125	C46H54N4O4	726.962	6 / 0	8.4	No
12160	CHEMBL8653	C36H46Br2N4O4	758.596	6 / 0	N/A	No
12286	CHEMBL607223	C54H52Br2F6N4O2	1062.83	12 / 0	N/A	No
12287	CHEMBL412670	C54H52Br2F6N4O2	1062.83	12 / 0	N/A	No
12931	CHEMBL1202152	C19H25Br2Cl2N3O	542.137	4 / 0	N/A	No
14723	CHEMBL354103	C39H40N6O6+2	688.785	8 / 0	4.8	No
17067	CHEMBL285136	C31H43N5O4+2	549.716	5 / 0	3.1	No
18057	CHEMBL590603	C29H26Br2Cl4N4O2	764.161	6 / 0	N/A	No
20797	CHEMBL68151	C38H60Br2N4O4	796.73	6 / 0	N/A	No
22759	CHEMBL269205	C36H46Br2N4O4	758.596	6 / 0	N/A	No
24628	CHEMBL171664	C36H34Br2N6O6	806.512	10 / 0	N/A	No
25656	CHEMBL199636	C35H50Br2N4O3	734.618	5 / 0	N/A	No
34543	CHEMBL1202148	C23H26Cl2N4O+2	445.388	3 / 0	4.9	Yes
34942	N1-(3-(1,3-Dioxoisoindolin-2-yl)propyl)-N6-(4-(isoxazol-3-yloxy)but-2-ynyl)-N1,N1,N6,N6-tetramethylhexane-1,6-diaminium dibromide	C28H40Br2N4O4	656.46	7 / 0	N/A	No
36504	CHEMBL330891	C46H50Br2N4O2	850.74	6 / 0	N/A	No
37314	CHEMBL1202149	C22H23Br2Cl2N3O	576.154	4 / 0	N/A	No
37893	CHEMBL385915	C60H60Cl2N6O6	1032.08	10 / 0	N/A	No
37894	CHEMBL405305	C60H60Cl2N6O6	1032.08	10 / 0	N/A	No
38233	CHEMBL8518	C38H50Br2N4O4	786.65	6 / 0	N/A	No
38802	CHEMBL412718	C56H62Cl2N4O6	958.034	10 / 0	N/A	No
38803	CHEMBL607218	C56H62Cl2N4O6	958.034	10 / 0	N/A	No
39665	CHEMBL323853	C35H41N7O4	623.758	7 / 2	3.8	No
39758	CHEMBL412718	C56H62N4O6+2	887.134	8 / 0	6.8	No
443357	CHEMBL3337867	C44H54Br2N4	798.752	4 / 0	N/A	No
42931	Caracurine V	C38H40N4O2	584.764	6 / 0	3.9	No
42933	CHEMBL312920	C38H40N4O2	584.764	6 / 0	3.9	No
43195	CHEMBL324318	C50H58Br2N4O2	906.848	6 / 0	N/A	No
558699	CHEMBL3121479	C34H48N4O4+2	576.782	5 / 0	5.2	No
47257	CHEMBL386134	C52H44Br2F10N4O2	1106.74	16 / 0	N/A	No
49233	CHEMBL30939	C36H46N4O4+2	598.788	4 / 0	5.1	No
443658	CHEMBL3355097	C52H56Br2N6O5	1004.86	9 / 1	N/A	No
49584	CHEMBL68151	C38H60N4O4+2	636.922	4 / 0	5.5	No
52013	CHEMBL1202149	C22H23Cl2N3O+2	416.346	2 / 0	5.1	No
55969	CHEMBL304129	C36H56N4O4+2	608.868	4 / 0	4.6	No
64718	CHEMBL286686	C33H58N4O4+2	574.851	4 / 0	4.1	No
64719	CHEMBL31097	C33H58N4O4+2	574.851	4 / 0	4.1	No
64885	CHEMBL3037938	C54H58Cl2N4O4	897.982	8 / 0	N/A	No
66117	CHEMBL168613	C37H38N4O4+2	602.735	4 / 0	5.4	No
72045	CHEMBL9017	C34H42Br2F6N4O4	844.532	12 / 0	N/A	No
72434	13474-65-2	C13H16N2O2	232.283	3 / 0	1.9	Yes
72959	W-84 dibromide	C32H44Br2N4O4	708.536	6 / 0	N/A	No
78930	CHEMBL303052	C38H60Br2N4O2S2	828.852	6 / 0	N/A	No
80126	CHEMBL9071	C36H52Br2N4O4	764.644	6 / 0	N/A	No
82081	CHEMBL304129	C36H56Br2N4O4	768.676	6 / 0	N/A	No
83315	CHEMBL265482	C46H60N4O2+2	701.012	2 / 0	7.9	No
86827	CHEMBL285811	C33H46N4O4+2	562.755	4 / 0	4.2	No
87428	CHEMBL382659	C31H46Br2N4O3	682.542	5 / 0	N/A	No
88355	AC1L8OQE	C36H46N4O4+2	598.788	4 / 0	5.1	No
89099	CHEMBL405691	C52H52N6O6+2	857.024	8 / 0	6.6	No
96301	CHEMBL406431	C39H52Br2N4O4	800.677	6 / 0	N/A	No
98914	CHEMBL275988	C30H42Br2N6O4	710.512	8 / 0	N/A	No
102580	CHEMBL264005	C31H42Br2N4O4	694.509	6 / 4	N/A	No
560542	CHEMBL3121478	C32H44N4O4+2	548.728	5 / 0	4.1	No
104939	CHEMBL331543	C44H50Br2N4O2	826.718	6 / 1	N/A	No
109829	CHEMBL169342	C33H28Br2N6O6	764.431	10 / 0	N/A	No
112126	CHEMBL73114	C34H52N4O4+2	580.814	4 / 0	3.9	No
112292	CHEMBL31221	C27H50N4O4+2	494.721	4 / 0	2.0	Yes
115227	CID 44400979	C34H48Br2N4O4	736.59	6 / 2	N/A	No
118240	CHEMBL352356	C33H30N4O4+2	546.627	4 / 0	4.0	No
121189	CHEMBL354673	C35H34Br2N4O4	734.489	6 / 0	N/A	No
122578	CHEMBL540132	C42H65ClN6O4+2	753.47	6 / 3	7.8	No
123530	CHEMBL284962	C41H52N4O4+2	664.891	4 / 0	5.2	No
555987	4-Diphenylacetoxy-1,1-dimethylpiperidinium	C21H26NO2+	324.444	2 / 0	4.0	Yes
129370	CHEMBL33656	C23H24Cl2N4O2+2	459.371	4 / 0	4.8	Yes
130045	CHEMBL68936	C46H56N4O2+2	696.98	2 / 0	8.2	No
130046	CHEMBL2111531	C46H56N4O2+2	696.98	2 / 0	8.2	No
130047	CHEMBL31376	C46H56N4O2+2	696.98	2 / 0	8.2	No
130382	CHEMBL169475	C37H36N6O6+2	660.731	8 / 0	4.1	No
132911	CHEMBL353262	C29H38Br2N4O4	666.455	6 / 0	N/A	No
133430	CHEMBL433343	C44H46N4O2+2	662.878	4 / 0	4.2	No
446996	CHEMBL3337863	C44H54Br2N4O	814.751	5 / 1	N/A	No
136117	CHEMBL8721	C41H56Br2N4O4	828.731	6 / 0	N/A	No
138548	CHEMBL609382	C40H54N4O4	654.896	6 / 0	7.4	No
138657	CHEMBL407071	C52H52Br2N4O2+2	924.822	4 / 0	8.3	No
139097	CHEMBL177732	C28H44N4O4+2	500.684	4 / 0	2.1	No
447283	CHEMBL3337859	C43H48Br2N4O2	812.691	6 / 0	N/A	No
142131	CHEMBL311649	C44H50Br2N4O2	826.718	6 / 0	N/A	No
142132	diallylcaracurie V	C44H50Br2N4O2	826.718	6 / 0	N/A	No
144360	CHEMBL2311018	C52H54N4O2+2	767.03	4 / 0	7.0	No
147865	CHEMBL386112	C60H58Br2N4O2	1026.96	6 / 0	N/A	No
147866	CHEMBL407440	C60H58Br2N4O2	1026.96	6 / 0	N/A	No
561913	CHEMBL3121480	C33H44N4O4+2	560.739	5 / 0	4.3	No
148247	Dimethyl-W84 dibromide	C34H48Br2N4O4	736.59	6 / 0	N/A	No
148617	CHEMBL31385	C25H46N4O4+2	466.667	4 / 0	0.9	Yes
149156	CHEMBL168760	C31H42N4O4+2	534.701	4 / 0	3.5	No
153053	CHEMBL194935	C32H44Br2N4O4	708.536	6 / 4	N/A	No
158635	CHEMBL8764	C42H52Br2N4O4	836.71	6 / 0	N/A	No
159180	CHEMBL171215	C24H26BrN3O4	500.393	5 / 0	N/A	No
160201	CHEMBL325938	C24H32N6O2	436.56	5 / 3	1.5	Yes
162659	CHEMBL303002	C32H48N4O2+2	520.762	2 / 0	3.9	No
448190	CHEMBL3337865	C38H44N4	556.798	4 / 0	5.6	No
166739	CHEMBL352486	C36H36N4O4+2	588.708	4 / 0	4.9	No
170009	CHEMBL352323	C36H52Br2N4O4	764.644	6 / 0	N/A	No
174993	CHEMBL607222	C54H54Br2N4O4	982.858	8 / 0	N/A	No
177874	CHEMBL171776	C34H32N4O4+2	560.654	4 / 0	4.2	No
181283	CHEMBL274564	C40H54Br2N4O4	814.704	6 / 0	N/A	No

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