General Information of Drug Therapeutic Target (DTT) (ID: TT0K1SC)

DTT Name 5-HT 2B receptor (HTR2B)
Synonyms Serotonin receptor 2B; 5-hydroxytryptamine receptor 2B; 5-HT2B; 5-HT-2B; 5-HT 2B
Gene Name HTR2B
DTT Type
Successful target
[1]
Related Disease
Depression [ICD-11: 6A70-6A7Z]
Pituitary gland disorder [ICD-11: 5A60-5A61]
Psychotic disorder [ICD-11: 6A20-6A25]
Attention deficit hyperactivity disorder [ICD-11: 6A05]
BioChemical Class
GPCR rhodopsin
UniProt ID
5HT2B_HUMAN
TTD ID
T31204
3D Structure
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2D Sequence (FASTA)
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3D Structure (PDB)
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Sequence
MALSYRVSELQSTIPEHILQSTFVHVISSNWSGLQTESIPEEMKQIVEEQGNKLHWAALL
ILMVIIPTIGGNTLVILAVSLEKKLQYATNYFLMSLAVADLLVGLFVMPIALLTIMFEAM
WPLPLVLCPAWLFLDVLFSTASIMHLCAISVDRYIAIKKPIQANQYNSRATAFIKITVVW
LISIGIAIPVPIKGIETDVDNPNNITCVLTKERFGDFMLFGSLAAFFTPLAIMIVTYFLT
IHALQKKAYLVKNKPPQRLTWLTVSTVFQRDETPCSSPEKVAMLDGSRKDKALPNSGDET
LMRRTSTIGKKSVQTISNEQRASKVLGIVFFLFLLMWCPFFITNITLVLCDSCNQTTLQM
LLEIFVWIGYVSSGVNPLVYTLFNKTFRDAFGRYITCNYRATKSVKTLRKRSSKIYFRNP
MAENSKFFKKHGIRNGINPAMYQSPMRLRSSTIQSSSIILLDTLLLTENEGDKTEEQVSY
V
Function
Functions as a receptor for various ergot alkaloid derivatives and psychoactive substances. Ligand binding causes a conformation change that triggers signaling via guanine nucleotide-binding proteins (G proteins) and modulates the activity of down-stream effectors. Beta-arrestin family members inhibit signaling via G proteins and mediate activation of alternative signaling pathways. Signaling activates a phosphatidylinositol-calcium second messenger system that modulates the activity of phosphatidylinositol 3-kinase and down-stream signaling cascades and promotes the release of Ca(2+) ions from intracellular stores. Plays a role in the regulation of dopamine and 5-hydroxytryptamine release, 5-hydroxytryptamine uptake and in the regulation of extracellular dopamine and 5-hydroxytryptamine levels, and thereby affects neural activity. May play a role in the perception of pain. Plays a role in the regulation of behavior, including impulsive behavior. Required for normal proliferation of embryonic cardiac myocytes and normal heart development. Protects cardiomyocytes against apoptosis. Plays a role in the adaptation of pulmonary arteries to chronic hypoxia. Plays a role in vasoconstriction. Required for normal osteoblast function and proliferation, and for maintaining normal bone density. Required for normal proliferation of the interstitial cells of Cajal in the intestine. G-protein coupled receptor for 5-hydroxytryptamine (serotonin).
KEGG Pathway
Calcium signaling pathway (hsa04020 )
Neuroactive ligand-receptor interaction (hsa04080 )
Gap junction (hsa04540 )
Serotonergic synapse (hsa04726 )
Inflammatory mediator regulation of TRP channels (hsa04750 )
Reactome Pathway
G alpha (q) signalling events (R-HSA-416476 )
Serotonin receptors (R-HSA-390666 )

Molecular Interaction Atlas (MIA) of This DTT

Molecular Interaction Atlas (MIA) Jump to Detail Molecular Interaction Atlas of This DTT
4 Approved Drug(s) Targeting This DTT
Drug Name Drug ID Indication ICD 11 Highest Status REF
Metergolin DMJFP6G Hyperprolactinaemia 5A60.1 Approved [2]
Minaprine DM0EP7M Depression 6A70-6A7Z Approved [3], [4]
Triflupromazine DMKFQJP Psychotic disorder 6A20-6A25 Approved [1]
SPN-812 DMTV7XH Attention deficit hyperactivity disorder 6A05.Z Phase 4 [5]
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2 Clinical Trial Drug(s) Targeting This DTT
Drug Name Drug ID Indication ICD 11 Highest Status REF
PRX-08066 DMR7H2V Pulmonary arterial hypertension BB01.0 Phase 2 [6]
Vabicaserin DM9GZW6 Psychotic disorder 6A20-6A25 Phase 2 [7], [8]
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9 Patented Agent(s) Targeting This DTT
Drug Name Drug ID Indication ICD 11 Highest Status REF
Pyrazole-3-carboxamide derivative 1 DMVQXZJ N. A. N. A. Patented [9]
Pyrimidine derivative 23 DM5MLQU N. A. N. A. Patented [9]
Pyrimidine derivative 24 DMOQ726 N. A. N. A. Patented [9]
Pyrimidine derivative 25 DM51MFS N. A. N. A. Patented [9]
Pyrimidine derivative 26 DM90WKN N. A. N. A. Patented [9]
Pyrimidine derivative 27 DMIQSDW N. A. N. A. Patented [9]
Pyrimidine derivative 28 DM1D2AS N. A. N. A. Patented [9]
Pyrimidine derivative 29 DMVOYJ8 N. A. N. A. Patented [9]
Quinoline derivative 2 DMNO2BP N. A. N. A. Patented [9]
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⏷ Show the Full List of 9 Patented Agent(s)
6 Discontinued Drug(s) Targeting This DTT
Drug Name Drug ID Indication ICD 11 Highest Status REF
Fendiline DMH6NG5 Coronary artery disease BA80 Withdrawn from market [10]
Ritanserin DM0X36Y Anxiety disorder 6B00-6B0Z Discontinued in Phase 3 [11]
MT-500 DMCJ1B2 Migraine 8A80 Discontinued in Phase 1 [12]
LY53857 DMY71LJ N. A. N. A. Terminated [11]
Ro-60-0175 DMZSQU8 N. A. N. A. Terminated [13]
SB 206553 DMS0QEP N. A. N. A. Terminated [14]
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⏷ Show the Full List of 6 Discontinued Drug(s)
74 Investigative Drug(s) Targeting This DTT
Drug Name Drug ID Indication ICD 11 Highest Status REF
(+)-norfenfluramine DMOZJA5 Discovery agent N.A. Investigative [15]
(+/-)-nantenine DM0L3GE Discovery agent N.A. Investigative [16]
(-)-norfenfluramine DMOY9J8 Discovery agent N.A. Investigative [15]
(2S)-1-(6-methoxy-1H-indazol-1-yl)propan-2-amine DMYALON Discovery agent N.A. Investigative [17]
(5-methoxy-1H-indol-3-yl)methanamine DMOPMNC Discovery agent N.A. Investigative [10]
1-((R)-2-aminopropyl)-1H-indazol-6-ol DM74R0E Discovery agent N.A. Investigative [17]
1-((S)-2-aminopropyl)-1H-indazol-6-ol DMU83KP Discovery agent N.A. Investigative [17]
1-((S)-2-aminopropyl)-7-chloro-1H-indazol-6-ol DMRFJNC Discovery agent N.A. Investigative [17]
1-((S)-2-aminopropyl)-7-fluoro-1H-indazol-6-ol DM76JVB Discovery agent N.A. Investigative [17]
1-((S)-2-aminopropyl)-7-iodo-1H-indazol-6-ol DMR2SXL Discovery agent N.A. Investigative [17]
1-((S)-2-aminopropyl)-7-methyl-1H-indazol-6-ol DM8MNZG Discovery agent N.A. Investigative [17]
1-(2-aminoethyl)-1H-indazol-6-ol DMKWO6A Discovery agent N.A. Investigative [17]
1-(3-(pentafluorosulfanyl)phenyl)propan-2-amine DMX5N3V Discovery agent N.A. Investigative [18]
1-Butyl-3-(2-dimethylamino-ethyl)-1H-indol-4-ol DMO7NXE Discovery agent N.A. Investigative [19]
1-naphthylpiperazine DM6BIWK Discovery agent N.A. Investigative [20]
2-(5-Methoxy-1H-indol-3-yl)-1-methyl-ethylamine DM1O0JD Discovery agent N.A. Investigative [17]
2-methyl-5-HT DM1S5CB N. A. N. A. Investigative [20]
3-(2-Amino-propyl)-1H-indol-5-ol DMQPNUM Discovery agent N.A. Investigative [17]
3-(2-Dimethylamino-ethyl)-1-methyl-1H-indol-4-ol DMKYZGD Discovery agent N.A. Investigative [19]
3-(2-Dimethylamino-ethyl)-1H-indol-6-ol DM32MIE Discovery agent N.A. Investigative [19]
3-(2-Dimethylamino-propyl)-1H-indol-4-ol DMMJP9D Discovery agent N.A. Investigative [19]
3-(2-Pyrrolidin-1-yl-ethyl)-1H-indol-4-ol DM7VJPX Discovery agent N.A. Investigative [19]
3-(3-Dimethylamino-propyl)-1H-indol-4-ol DM0O2ZB Discovery agent N.A. Investigative [19]
3-Dimethylaminomethyl-1-methyl-1H-indol-4-ol DMDOIJM Discovery agent N.A. Investigative [19]
3-Dimethylaminomethyl-1H-indol-4-ol DMSJUOH Discovery agent N.A. Investigative [19]
4-(4-butylpiperidin-1-yl)-1-o-tolylbutan-1-one DMM9X0G Discovery agent N.A. Investigative [21]
5-CT DM260KD Discovery agent N.A. Investigative [20]
5-MEO-DMT DMG0EL7 Discovery agent N.A. Investigative [17]
6,7-dichloro-2,3,4,5-tetrahydro-1H-3-benzazepine DM592FB Discovery agent N.A. Investigative [22]
6-Fluoromelatonin DMKFUO0 Discovery agent N.A. Investigative [10]
7,8,9,10-tetrahydro-6H-furo-[2,3-g][3]benzazepine DMIMLUO Discovery agent N.A. Investigative [22]
7,8,9,10-tetrahydro-6H-furo-[3,2-g][3]benzazepine DMVZA27 Discovery agent N.A. Investigative [22]
A-987306 DMU34BK Discovery agent N.A. Investigative [23]
ADRENOGLOMERULOTROPIN DMP8NSU Discovery agent N.A. Investigative [10]
ADS-103253 DMH9A4S Discovery agent N.A. Investigative [24]
ADS-103274 DMBN6IE Discovery agent N.A. Investigative [24]
AL-37350A DMRJ2GK Discovery agent N.A. Investigative [25]
alpha-methyl-5-HT DMCAYXF Discovery agent N.A. Investigative [26]
BRL-15572 DMM61Y2 Discovery agent N.A. Investigative [27]
BW723C86 DME15JU Discovery agent N.A. Investigative [28]
Chlorophenylpiperazine DMOA8L2 Discovery agent N.A. Investigative [29]
dihydroergocryptine DMDW2NL Discovery agent N.A. Investigative [30]
EGIS-7625 DMLK4X5 Discovery agent N.A. Investigative [31]
LY86057 DM5TYMG Discovery agent N.A. Investigative [20]
m-chlorophenylpiperazine DMM1J2D Discovery agent N.A. Investigative [20]
Methylenedioxymethamphetamine DMYVU47 Discovery agent N.A. Investigative [32]
norfenfluramine DMGI4ZW Discovery agent N.A. Investigative [15]
norfluoxetine DMKNUP3 Discovery agent N.A. Investigative [15]
Org 12962 DM8JUBG Discovery agent N.A. Investigative [2]
piribedil DMNP6QD Discovery agent N.A. Investigative [33]
R-1 DMK0YP7 Irritable bowel syndrome DD91.0 Investigative [34]
Racemic DOI DM39FSQ Discovery agent N.A. Investigative [23]
RQ-00310941 DMYK6OU Irritable bowel syndrome DD91.0 Investigative [34]
SB 204741 DM3LQF4 Discovery agent N.A. Investigative [2]
SB 215505 DMCM4LT Discovery agent N.A. Investigative [35]
SB 216641 DMB3R4Z Discovery agent N.A. Investigative [27]
SB 221284 DM8DVY2 Discovery agent N.A. Investigative [2]
SB 228357 DMKA8R4 Discovery agent N.A. Investigative [36]
SB 242084 DMISBDC Discovery agent N.A. Investigative [37]
Serotonin DMOFCRY Discovery agent N.A. Investigative [13]
spiramide DM5KNMD Discovery agent N.A. Investigative [2]
spiroxatrine DMPHRXQ Discovery agent N.A. Investigative [38]
TFMPP DMAC8TP Discovery agent N.A. Investigative [20]
VER-2692 DM5WAM8 Discovery agent N.A. Investigative [13]
VER-3323 DM7O2K1 Discovery agent N.A. Investigative [39]
VER-5384 DMC2EO9 Discovery agent N.A. Investigative [39]
VER-5593 DMZ2V0A Discovery agent N.A. Investigative [39]
YM-348 DM38F9T Discovery agent N.A. Investigative [22]
[125I]DOI DMQUY08 Discovery agent N.A. Investigative [34]
[2-(4-Fluoro-1H-indol-3-yl)-ethyl]-dimethyl-amine DMDIH96 Discovery agent N.A. Investigative [19]
[3H]5-HT DMYJXV7 Discovery agent N.A. Investigative [20]
[3H]LSD DM0YJHS Discovery agent N.A. Investigative [40]
[3H]mesulergine DM8K6VF Discovery agent N.A. Investigative [2]
[3H]rauwolscine DMBQZ2H Discovery agent N.A. Investigative [38]
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⏷ Show the Full List of 74 Investigative Drug(s)

Molecular Expression Atlas (MEA) of This DTT

Molecular Expression Atlas (MEA) Jump to Detail Molecular Expression Atlas of This DTT
Disease Name ICD 11 Studied Tissue p-value Fold-Change Z-score
Major depressive disorder 6A20 Pre-frontal cortex 2.08E-01 -0.05 -0.23
Irritable bowel syndrome DD91.0 Rectal colon tissue 1.58E-01 0.18 0.45
Multiple myeloma 2C82 Bone marrow 2.12E-02 -0.22 -0.9
Schizophrenia 6A20 Pre-frontal cortex 1.29E-01 -0.04 -0.14
Schizophrenia 6A20 Superior temporal cortex 1.13E-01 -0.04 -0.26
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References

1 Some properties of 5-hydroxytryptamine receptors in the hindquarters of the rat. Br J Pharmacol. 1979 Sep;67(1):79-85.
2 Pharmacological characterisation of the agonist radioligand binding site of 5-HT(2A), 5-HT(2B) and 5-HT(2C) receptors. Naunyn Schmiedebergs Arch Pharmacol. 2004 Aug;370(2):114-23.
3 Privileged structures: a useful concept for the rational design of new lead drug candidates. Mini Rev Med Chem. 2007 Nov;7(11):1108-19.
4 Protective effect of minaprine against the abnormal changes of 2-deoxyglucose uptake by rat hippocampal slices induced by hypoxia/hypoglycemia. Jpn J Pharmacol. 1992 Sep;60(1):33-8.
5 New Insights into the Mechanism of Action of Viloxazine: Serotonin and Norepinephrine Modulating Properties. J Exp Pharmacol. 2020 Aug 25;12:285-300.
6 Emerging treatments for pulmonary arterial hypertension. Expert Opin Emerg Drugs. 2006 Nov;11(4):609-19.
7 Prediction of Efficacy of Vabicaserin, a 5-HT2C Agonist, for the Treatment of Schizophrenia Using a Quantitative Systems Pharmacology Model.CPT Pharmacometrics Syst Pharmacol.2014 Apr 23;3:e111.
8 Characterization of vabicaserin (SCA-136), a selective 5-hydroxytryptamine 2C receptor agonist. J Pharmacol Exp Ther. 2011 Jun;337(3):673-80.
9 Novel serotonin receptor 2 (5-HT2R) agonists and antagonists: a patent review (2004-2014).Expert Opin Ther Pat. 2016;26(1):89-106.
10 Development, validation, and use of quantitative structure-activity relationship models of 5-hydroxytryptamine (2B) receptor ligands to identify no... J Med Chem. 2010 Nov 11;53(21):7573-86.
11 p-Chloroamphetamine, a serotonin-releasing drug, elicited in rats a hyperglycemia mediated by the 5-HT1A and 5-HT2B/2C receptors. Eur J Pharmacol. 1998 Oct 23;359(2-3):185-90.
12 Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
13 Pyrrolo(iso)quinoline derivatives as 5-HT(2C) receptor agonists. Bioorg Med Chem Lett. 2006 Feb;16(3):677-80.
14 Strain-dependent effects of diazepam and the 5-HT2B/2C receptor antagonist SB 206553 in spontaneously hypertensive and Lewis rats tested in the elevated plus-maze. Braz J Med Biol Res. 2001 May;34(5):675-82.
15 Evidence for possible involvement of 5-HT(2B) receptors in the cardiac valvulopathy associated with fenfluramine and other serotonergic medications. Circulation. 2000 Dec 5;102(23):2836-41.
16 Synthetic studies and pharmacological evaluations on the MDMA ('Ecstasy') antagonist nantenine. Bioorg Med Chem Lett. 2010 Jan 15;20(2):628-31.
17 1-((S)-2-aminopropyl)-1H-indazol-6-ol: a potent peripherally acting 5-HT2 receptor agonist with ocular hypotensive activity. J Med Chem. 2006 Jan 12;49(1):318-28.
18 The synthesis and biological activity of pentafluorosulfanyl analogs of fluoxetine, fenfluramine, and norfenfluramine. Bioorg Med Chem. 2007 Nov 1;15(21):6659-66.
19 SAR of psilocybin analogs: discovery of a selective 5-HT 2C agonist. Bioorg Med Chem Lett. 2005 Oct 15;15(20):4555-9.
20 Pharmacological characteristics of the newly cloned rat 5-hydroxytryptamine2F receptor. Mol Pharmacol. 1993 Mar;43(3):419-26.
21 Discovery of N-{1-[3-(3-oxo-2,3-dihydrobenzo[1,4]oxazin-4-yl)propyl]piperidin-4-yl}-2-phenylacetamide (Lu AE51090): an allosteric muscarinic M1 rec... J Med Chem. 2010 Sep 9;53(17):6386-97.
22 Synthesis and structure-activity relationships of a series of benzazepine derivatives as 5-HT2C receptor agonists. Bioorg Med Chem. 2008 Mar 15;16(6):3309-20.
23 cis-4-(Piperazin-1-yl)-5,6,7a,8,9,10,11,11a-octahydrobenzofuro[2,3-h]quinazolin-2-amine (A-987306), a new histamine H4R antagonist that blocks pain... J Med Chem. 2008 Nov 27;51(22):7094-8.
24 Quinazoline and benzimidazole MCH-1R antagonists. Bioorg Med Chem Lett. 2007 Mar 1;17(5):1403-7.
25 A novel and selective 5-HT2 receptor agonist with ocular hypotensive activity: (S)-(+)-1-(2-aminopropyl)-8,9-dihydropyrano[3,2-e]indole. J Med Chem. 2003 Sep 11;46(19):4188-95.
26 The 5-HT4 receptor agonist, tegaserod, is a potent 5-HT2B receptor antagonist in vitro and in vivo. Br J Pharmacol. 2004 Nov;143(5):549-60.
27 SB-216641 and BRL-15572--compounds to pharmacologically discriminate h5-HT1B and h5-HT1D receptors. Naunyn Schmiedebergs Arch Pharmacol. 1997 Sep;356(3):312-20.
28 Agonist actions of dihydroergotamine at 5-HT2B and 5-HT2C receptors and their possible relevance to antimigraine efficacy. Br J Pharmacol. 2003 Sep;140(2):277-84.
29 Tricyclic dihydroquinazolinones as novel 5-HT2C selective and orally efficacious anti-obesity agents. Bioorg Med Chem Lett. 2010 Feb 1;20(3):1128-33.
30 Structural features for functional selectivity at serotonin receptors. Science. 2013 May 3;340(6132):615-9.
31 Effects of EGIS-7625, a selective and competitive 5-HT2B receptor antagonist. Cardiovasc Drugs Ther. 2003 Sep-Nov;17(5-6):427-34.
32 The origin of MDMA (ecstasy) revisited: the true story reconstructed from the original documents. Addiction. 2006 Sep;101(9):1241-5.
33 Differential actions of antiparkinson agents at multiple classes of monoaminergic receptor. I. A multivariate analysis of the binding profiles of 14 drugs at 21 native and cloned human receptor subtypes. J Pharmacol Exp Ther. 2002 Nov;303(2):791-804.
34 URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Target id: 7).
35 Attenuation of haloperidol-induced catalepsy by a 5-HT2C receptor antagonist. Br J Pharmacol. 1999 Feb;126(3):572-4.
36 Biarylcarbamoylindolines are novel and selective 5-HT(2C) receptor inverse agonists: identification of 5-methyl-1-[[2-[(2-methyl-3-pyridyl)oxy]- 5-pyridyl]carbamoyl]-6-trifluoromethylindoline (SB-243213) as a potential antidepressant/anxiolytic agent. J Med Chem. 2000 Mar 23;43(6):1123-34.
37 SB 242084, a selective and brain penetrant 5-HT2C receptor antagonist. Neuropharmacology. 1997 Apr-May;36(4-5):609-20.
38 [3H]Rauwolscine: an antagonist radioligand for the cloned human 5-hydroxytryptamine2b (5-HT2B) receptor. Naunyn Schmiedebergs Arch Pharmacol. 1998 Jan;357(1):17-24.
39 Indoline derivatives as 5-HT(2C) receptor agonists. Bioorg Med Chem Lett. 2004 May 3;14(9):2367-70.
40 Identification of the binding sites and selectivity of sarpogrelate, a novel 5-HT2 antagonist, to human 5-HT2A, 5-HT2B and 5-HT2C receptor subtypes by molecular modeling. Life Sci. 2003 May 30;73(2):193-207.