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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.
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GPCR

Name	Galanin receptor type 1
Species	Homo sapiens (Human)
Gene	GALR1
Synonym	GAL1-R GALNR GALNR1 GALR-1 GAL1 receptor
Disease	Epileptic seizures
Length	349
Amino acid sequence	MELAVGNLSEGNASWPEPPAPEPGPLFGIGVENFVTLVVFGLIFALGVLGNSLVITVLARSKPGKPRSTTNLFILNLSIADLAYLLFCIPFQATVYALPTWVLGAFICKFIHYFFTVSMLVSIFTLAAMSVDRYVAIVHSRRSSSLRVSRNALLGVGCIWALSIAMASPVAYHQGLFHPRASNQTFCWEQWPDPRHKKAYVVCTFVFGYLLPLLLICFCYAKVLNHLHKKLKNMSKKSEASKKKTAQTVLVVVVVFGISWLPHHIIHLWAEFGVFPLTPASFLFRITAHCLAYSNSSVNPIIYAFLSENFRKAYKQVFKCHIRKDSHLSDTKESKSRIDTPPSTNCTHV
UniProt	P47211
Protein Data Bank	N/A
GPCR-HGmod model	P47211
3D structure model	This predicted structure model is from GPCR-EXP P47211.
BioLiP	N/A
Therapeutic Target Database	T78581
ChEMBL	CHEMBL4894
IUPHAR	243
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
536294	CHEMBL3932833	C12H11F3O4S2	340.331	7 / 0	1.6	Yes
548027	CHEMBL3956728	C10H9BrO4S2	337.202	4 / 0	1.1	Yes
548058	CHEMBL3961540	C23H27NO6S2	477.59	6 / 1	3.3	Yes
20966	CHEMBL1922021	C25H30FN5O2	451.546	8 / 3	6.7	No
21616	CHEMBL524892	C97H164N22O20	1958.51	24 / 25	5.2	No
21815	CHEMBL1922020	C24H28FN5O2	437.519	8 / 2	5.7	No
522156	CHEMBL3775436	C15H26ClNO3	303.827	4 / 3	N/A	N/A
522169	CHEMBL3775769	C15H26ClNO3	303.827	4 / 3	N/A	N/A
26122	CHEMBL1922010	C23H26FN5O2	423.492	8 / 2	5.3	No
27209	CHEMBL2203713	C18H22N4S	326.462	4 / 2	2.9	Yes
38178	CHEMBL506553	C139H210N42O43	3157.46	48 / 48	-15.9	No
537189	CHEMBL3953131	C15H19NO5S2	357.439	5 / 1	0.9	Yes
52514	CHEMBL1922023	C28H29FN6O2	500.578	9 / 2	6.0	No
537304	CHEMBL3941717	C18H16O6S2	392.44	6 / 0	2.2	Yes
53894	Gal-B5	C101H169N23O21	2041.6	25 / 25	4.7	No
54500	CHEMBL1922012	C23H26FN5O	407.493	7 / 2	5.7	No
57834	CHEMBL1922014	C22H23ClFN5O	427.908	7 / 2	6.0	No
59076	CHEMBL1922025	C28H35FN6O4	538.624	10 / 2	5.5	No
61573	SCHEMBL604437	C18H25N5O	327.432	6 / 2	1.3	Yes
64978	galmic	C51H60N10O11	989.1	15 / 7	4.4	No
459814	CHEMBL503924	C51H61N10O11+	990.108	14 / 7	4.4	No
537651	CHEMBL3918646	C12H11F3O5S2	356.33	8 / 0	1.9	Yes
70686	GalB2	C104H173N23O23	2113.67	27 / 26	2.9	No
72917	CHEMBL1921996	C24H27F2N5O2	455.51	9 / 3	7.0	No
548743	CHEMBL3966583	C12H15NO4S2	301.375	5 / 1	0.2	Yes
76147	CHEMBL1921999	C24H26F3N5O2	473.5	10 / 3	7.2	No
78687	Galanin-1-16	C78H116N20O21	1669.91	23 / 22	-2.9	No
83254	CHEMBL1922004	C24H29N5O	403.53	6 / 2	6.0	No
84426	CHEMBL503924	C53H61F3N10O13	1103.12	20 / 8	N/A	No
87758	[Sar1Gly]GAL-B2	C103H172N24O22	2098.66	26 / 26	4.0	No
538266	oxyfenthiin	C10H10O4S2	258.306	4 / 0	0.4	Yes
524294	SCHEMBL2101506	C21H20ClFN2O4	418.849	5 / 3	2.3	Yes
538569	CHEMBL3918185	C11H11FO4S2	290.323	5 / 0	0.8	Yes
108460	CHEMBL1922016	C24H28FN5O2	437.519	8 / 2	5.7	No
538838	CHEMBL3913089	C11H12O4S2	272.333	4 / 0	0.7	Yes
119345	CHEMBL1922024	C28H35FN6O2	506.626	9 / 2	5.9	No
121828	CHEMBL501306	C104H174N24O22	2112.68	26 / 26	4.6	No
122737	CHEMBL1922009	C23H25F2N5O2	441.483	9 / 2	6.1	No
123502	Galanin rat	C92H135N27O26	2035.26	29 / 28	-6.9	No
131432	CHEMBL1922007	C23H24F3N5O2	459.473	10 / 2	6.4	No
134681	CHEMBL450827	C106H177N23O23	2141.72	27 / 25	6.2	No
135519	CHEMBL2309599	C40H46N4O6	678.83	7 / 4	6.5	No
553966	Galnon	C40H46N4O6	678.83	7 / 4	6.5	No
136602	CHEMBL1921991	C22H24FN5O	393.466	7 / 2	5.3	No
539481	CHEMBL3939021	C12H14O5S2	302.359	5 / 0	0.7	Yes
139538	CHEMBL1921998	C24H29N5O2	419.529	7 / 3	6.0	No
141347	CHEMBL1921901	C23H27N5	373.504	5 / 2	6.0	No
144503	CHEMBL1922015	C22H24FN5O2	409.465	8 / 2	4.9	Yes
150544	CHEMBL1921997	C24H26F3N5O2	473.5	10 / 3	7.2	No
539999	CHEMBL3977579	C11H11ClO4S2	306.775	4 / 0	1.4	Yes
156871	CHEMBL507353	C104H173N23O23	2113.67	27 / 25	5.1	No
157812	CHEMBL1922003	C27H31F4N7	529.588	11 / 1	6.4	No
157962	WTLNSAGYLL	C54H80N12O15	1137.3	16 / 16	-2.1	No
540066	CHEMBL3920910	C11H11IO4S2	398.229	4 / 0	1.4	Yes
159843	(Sar)WTLNSAGYLLGPKKKK	C88H143N23O22	1875.25	27 / 25	-2.5	No
161741	M35 Peptide	C107H153N27O26	2233.56	28 / 27	-1.8	No
169670	CID 25180486	C95H150N22O21	1936.38	23 / 23	5.3	No
540385	CHEMBL3955764	C15H14O4S2	322.393	4 / 0	2.0	Yes
171663	CHEMBL1921988	C22H23F2N5O	411.457	8 / 2	6.2	No
175020	CHEMBL1921803	C23H25F2N5O2	441.483	9 / 2	6.1	No
175067	CHEMBL524678	C102H169N23O23	2085.61	27 / 25	4.0	No
175441	CHEMBL1922006	C23H24F3N5O2	459.473	10 / 2	6.4	No
178894	CHEMBL2324949	C93H150N24O21	1940.37	26 / 26	-1.6	No
182261	dithiipin-1,1,4,4-tetroxide analogue 7	C12H14O4S2	286.36	4 / 0	1.1	Yes
183761	CHEMBL1922001	C28H34F3N7	525.624	10 / 1	6.7	No
183960	CHEMBL1922002	C27H31F4N7O	545.587	12 / 1	6.0	No
184523	Galanin (3-29), porcine	C133H199N39O39	2968.29	45 / 42	-11.7	No
540716	CHEMBL3944461	C11H11FO4S2	290.323	5 / 0	0.8	Yes
540780	CHEMBL3883366	C13H17NO2	219.284	2 / 2	1.7	Yes
195741	D0D3CG	C138H199N35O30	2828.32	33 / 35	0.5	No
195928	CHEMBL1921987	C22H22F3N5O	429.447	9 / 2	6.4	No
541203	CHEMBL3903668	C17H16O6S3	412.489	6 / 0	1.5	Yes
204891	CHEMBL1922022	C26H27FN8O2	502.554	11 / 2	4.7	No
541367	CHEMBL3941261	C11H11IO4S2	398.229	4 / 0	1.4	Yes
207347	CHEMBL505299	C99H163N23O28	2123.53	32 / 25	-2.9	No
209961	CHEMBL507733	C100H165N23O23	2057.56	27 / 25	3.0	No
212822	CHEMBL525755	C104H174N24O22	2112.68	26 / 26	4.6	No
541643	CHEMBL3980007	C17H22O4S2	354.479	4 / 0	3.3	Yes
224328	CHEMBL2206397	C14H18N2	214.312	1 / 1	3.6	Yes
225111	CHEMBL525055	C88H144N24O21	1874.27	26 / 26	-3.0	No
542058	CHEMBL3903219	C11H11FO4S2	290.323	5 / 0	0.8	Yes
542061	CHEMBL3910434	C12H14O4S2	286.36	4 / 0	1.1	Yes
232312	Galanin (1-29), porcine	C144H210N42O39	3153.52	45 / 44	-11.0	No
238372	[N-Ac,des-Sar]Gal-B2	C103H171N23O22	2083.64	25 / 25	5.0	No
239464	C7 Peptide	C138H199N35O30	2828.32	34 / 35	0.5	No
542467	CHEMBL3972601	C12H11F3O5S2	356.33	8 / 0	1.9	Yes
542482	CHEMBL3921852	C11H11BrO4S2	351.229	4 / 0	1.4	Yes
249177	M-40	C94H145N23O24	1981.33	43 / 25	9.8	No
252007	CHEMBL1922019	C24H28FN5O2	437.519	8 / 2	5.7	No
542759	CHEMBL3979946	C12H14O5S2	302.359	5 / 0	0.7	Yes
258244	CHEMBL1921903	C22H22F3N5O	429.447	9 / 2	6.4	No
542887	CHEMBL3955804	C12H14O4S2	286.36	4 / 0	1.1	Yes
261582	CHEMBL1922000	C27H32F3N7O	527.596	11 / 1	5.9	No
543164	NSC157267	C13H16ClNO2	253.726	2 / 2	2.3	Yes
267668	CHEMBL460706	C98H161N23O23	2029.5	27 / 25	1.9	No
543243	CHEMBL3891488	C17H16O4S2	348.431	4 / 0	2.4	Yes
271209	CHEMBL525023	C104H174N24O22	2112.68	26 / 26	4.6	No
271211	CHEMBL526500	C104H174N24O22	2112.68	26 / 26	4.6	No
277863	CHEMBL526889	C109H188N26O22	2214.86	28 / 29	4.2	No
543567	CHEMBL3934499	C11H11BrO4S2	351.229	4 / 0	1.4	Yes