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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	5-hydroxytryptamine receptor 2B
Species	Mus musculus (Mouse)
Gene	Htr2b
Synonym	5-HT-2B serotonin receptor 2B NP75 protein 5-hydroxytryptamine (serotonin) receptor 2B, G protein-coupled 5-HT2F 5-HT2B receptor 5-HT2B 5-HT-2F stomach fundus serotonin receptor [ Show all ]
Disease	N/A for non-human GPCRs
Length	479
Amino acid sequence	MASSYKMSEQSTTSEHILQKTCDHLILTNRSGLETDSVAEEMKQTVEGQGHTVHWAALLILAVIIPTIGGNILVILAVALEKRLQYATNYFLMSLAIADLLVGLFVMPIALLTIMFEAIWPLPLALCPAWLFLDVLFSTASIMHLCAISLDRYIAIKKPIQANQCNSRATAFIKITVVWLISIGIAIPVPIKGIETDVINPHNVTCELTKDRFGSFMVFGSLAAFFAPLTIMVVTYFLTIHTLQKKAYLVKNKPPQRLTRWTVPTVFLREDSSFSSPEKVAMLDGSHRDKILPNSSDETLMRRMSSVGKRSAQTISNEQRASKALGVVFFLFLLMWCPFFITNLTLALCDSCNQTTLKTLLEIFVWIGYVSSGVNPLIYTLFNKTFREAFGRYITCNYRATKSVKALRKFSSTLCFGNSMVENSKFFTKHGIRNGINPAMYQSPMRLRSSTIQSSSIILLDTLLTENDGDKAEEQVSYI
UniProt	Q02152
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	CHEMBL2583
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
536271	CHEMBL3915107	C21H23ClN2O3	386.876	4 / 0	3.4	Yes
557599	SCHEMBL14060375	C21H23ClN2O3	386.876	4 / 0	3.4	Yes
555520	tryptamine	C10H12N2	160.22	1 / 2	1.6	Yes
537186	CHEMBL3941579	C22H27N3O3	381.476	5 / 0	2.5	Yes
558730	SCHEMBL15746091	C22H27N3O3	381.476	5 / 0	2.5	Yes
555715	spiperone	C23H26FN3O2	395.478	5 / 1	3.0	Yes
559426	SCHEMBL14061923	C20H25N3O2	339.439	5 / 0	2.7	Yes
548691	CHEMBL3969837	C20H25N3O2	339.439	5 / 0	2.7	Yes
537762	CHEMBL3925231	C21H27N3O2	353.466	5 / 0	2.8	Yes
559541	SCHEMBL14061868	C21H27N3O2	353.466	5 / 0	2.8	Yes
555786	Ketanserin	C22H22FN3O3	395.434	5 / 1	2.6	Yes
549279	CHEMBL3930615	C23H28N2O3	380.488	4 / 0	3.5	Yes
560860	SCHEMBL15746098	C23H28N2O3	380.488	4 / 0	3.5	Yes
549371	CHEMBL3986799	C22H29N3O2	367.493	5 / 0	3.2	Yes
561058	SCHEMBL14060090	C22H29N3O2	367.493	5 / 0	3.2	Yes
556052	CYPROHEPTADINE	C21H21N	287.406	1 / 0	4.7	Yes
556094	ritanserin	C27H25F2N3OS	477.574	6 / 0	5.2	No
540371	CHEMBL3900699	C22H26N2O4	382.46	5 / 0	2.7	Yes
562657	SCHEMBL15746087	C22H26N2O4	382.46	5 / 0	2.7	Yes
556168	methysergide	C21H27N3O2	353.466	3 / 2	2.3	Yes
543338	CHEMBL3946540	C21H25ClN2O2	372.893	4 / 0	4.1	Yes
565789	SCHEMBL14060296	C21H25ClN2O2	372.893	4 / 0	4.1	Yes
543726	CHEMBL3979116	C21H24N2O3	352.434	4 / 0	2.7	Yes
543762	CHEMBL3963122	C20H24ClN3O2	373.881	5 / 0	3.0	Yes
566178	SCHEMBL14149623	C20H24ClN3O2	373.881	5 / 0	3.0	Yes
556604	serotonin	C10H12N2O	176.219	2 / 3	0.2	Yes
544108	CHEMBL3986651	C22H28N2O3	368.477	5 / 0	3.4	Yes
557099	2-Methyl-5-hydroxytryptamine	C11H14N2O	190.246	2 / 3	1.4	Yes
552688	CHEMBL3941323	C21H27N3O2	353.466	5 / 0	3.1	Yes
569388	SCHEMBL14061568	C21H27N3O2	353.466	5 / 0	3.1	Yes
557147	quipazine	C13H15N3	213.284	3 / 1	1.5	Yes
546738	CHEMBL3897835	C22H25ClN2O3	400.903	4 / 0	3.8	Yes
569711	SCHEMBL15746097	C22H25ClN2O3	400.903	4 / 0	3.8	Yes
569860	SCHEMBL14061520	C20H23N3O3	353.422	5 / 0	1.7	Yes
546852	CHEMBL3936595	C20H23N3O3	353.422	5 / 0	1.7	Yes
557206	CHEBI:31843	C18H21ClN2	300.83	3 / 1	N/A	N/A
553111	CHEMBL3963147	C22H27N3O3	381.476	5 / 0	2.8	Yes
570598	SCHEMBL15746102	C22H27N3O3	381.476	5 / 0	2.8	Yes
547581	CHEMBL3946661	C21H26N2O2	338.451	4 / 0	3.5	Yes

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