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Table 2 Model evaluation using FDA-approved GPCR drugs

From: A machine learning model for classifying G-protein-coupled receptors as agonists or antagonists

Drug name

Target

FDA-approved action

T-model-predicted action

A-model-predicted action

References

Beclometasone dipropionate

Glucocorticoid receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Adenosine

Adenosine receptor A1

GPCR-agonist

GPCR-nontarget

GPCR-agonist

[16]

Regadenoson

Adenosine receptor A2a

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Nicardipine

Alpha-1A adrenergic receptor

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Oxymetazoline

Alpha-2B adrenergic receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Prazosin

Alpha-1A adrenergic receptor

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Apraclonidine

Alpha-2A adrenergic receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Dexmedetomidine

Alpha-2A adrenergic receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Acebutolol

Beta-1 adrenergic receptor

GPCR-agonist

GPCR-nontarget

GPCR-antagonist

[16]

Mirabegron

Beta-3 adrenergic receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Candesartan

Type-1 angiotensin II receptor

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Pentagastrin

Gastrin/cholecystokinin type B receptor

GPCR-agonist

GPCR-nontarget

GPCR-agonist

[16]

Maraviroc

C–C chemokine receptor type 5

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Biperiden

Muscarinic acetylcholine receptor M1

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Propantheline

Muscarinic acetylcholine receptor M1

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Umeclidinium

Muscarinic acetylcholine receptor M1

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Nabilone

Cannabinoid receptor 2

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Zafirlukast

Cysteinyl leukotriene receptor 1

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Dopamine

Dopamine D2 receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Ambrisentan

Endothelin-1 receptor

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Bosentan

Endothelin-1 receptor

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Vorapaxar

Proteinase-activated receptor 1

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Baclofen

Gamma-aminobutyric acid type B receptor subunit 2

GPCR-agonist

GPCR-nontarget

GPCR-agonist

[16]

Estradiol

Estrogen receptor alpha

GPCR-agonist

GPCR-nontarget

GPCR-agonist

[16]

Levodopa

Dopamine D1 receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Dronabinol

Cannabinoid receptor 1

GPCR-agonist

GPCR-nontarget

GPCR-agonist

[16]

Bumetanide

Solute carrier family 12 member 1

GPCR-antagonist

GPCR-target

GPCR-agonist

[16]

Nicotinic acid

Hydroxycarboxylic acid receptor 3

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Suvorexant

Orexin receptor type 1

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Cetirizine

Histamine H1 receptor

GPCR-antagonist

GPCR-target

GPCR-agonist

[16]

Betazole

Histamine H2 receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Clozapine

Dopamine D2 receptor

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Frovatriptan

5-hydroxytryptamine receptor 1D

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Eletriptan

5-hydroxytryptamine receptor 1D

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Ergotamine

5-hydroxytryptamine receptor 1D

GPCR-agonist

GPCR-target

GPCR-antagonist

[16]

Amoxapine

Sodium-dependent serotonin transporter

GPCR-antagonist

GPCR-nontarget

GPCR-antagonist

[16]

Lurasidone

Dopamine D2 receptor

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Chloroquine

Glutathione S-transferase A2

GPCR-antagonist

GPCR-target

GPCR-agonist

[16]

Tasimelteon

Melatonin receptor type 1A

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Niclosamide

DNA

GPCR-antagonist

GPCR-nontarget

GPCR-antagonist

[16]

Levocabastine

Histamine H1 receptor

GPCR-antagonist

GPCR-target

GPCR-agonist

[16]

Naltrexone

Delta-type opioid receptor

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Anileridine

Mu-type opioid receptor

GPCR-agonist

GPCR-target

GPCR-antagonist

[16]

Alfentanil

Mu-type opioid receptor

GPCR-agonist

GPCR-target

GPCR-antagonist

[16]

Cangrelor

P2Y purinoceptor 12

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Treprostinil

Prostacyclin receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Indomethacin

Prostaglandin G/H synthase 2

GPCR-antagonist

GPCR-target

GPCR-agonist

[16]

Prostaglandin E1

Prostaglandin E2 receptor EP2 subtype

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Prostaglandin E2

Prostaglandin E2 receptor EP2 subtype

GPCR-agonist

GPCR-nontarget

GPCR-agonist

[16]

Misoprostol

Prostaglandin E2 receptor EP3 subtype

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Latanoprost

Prostaglandin F2-alpha receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Epoprostenol

P2Y purinoceptor 12

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Sonidegib

Smoothened homolog

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Aprepitant

Neurokinin 1 receptor

GPCR-antagonist

GPCR-target

GPCR-antagonist

[16]

Iloprost

Prostacyclin receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[16]

Droxidopa

Alpha-1A adrenergic receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[5]

Naloxegol

Mu-type opioid receptor

GPCR-antagonist

GPCR-nontarget

GPCR-agonist

[5]

Netupitant

Neurokinin 1 receptor

GPCR-antagonist

GPCR-target

GPCR-antagonist

[5]

Olodaterol

Beta-2 adrenergic receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[5]

Rolapitant

Neurokinin 1 receptor

GPCR-antagonist

GPCR-target

GPCR-antagonist

[5]

Selexipag

Prostacyclin receptor

GPCR-agonist

GPCR-target

GPCR-agonist

[5]

Pimavanserin

5-hydroxytryptamine receptor 2A

GPCR-agonist

GPCR-target

GPCR-agonist

[5]

Naldemedine

Mu-type opioid receptor

GPCR-antagonist

GPCR-nontarget

GPCR-antagonist

[5]

  1. Note that incorrectly predicted events are shown in bold