ketotifen [Ligand Id: 7206] activity data from GtoPdb and ChEMBL

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ChEMBL ligand: CHEMBL534 (Ketotifen, (R)-Ketotifen)
  • α1D-adrenoceptor/Alpha-1d adrenergic receptor in Human [ChEMBL: CHEMBL223] [GtoPdb: 24] [UniProtKB: P25100]
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  • α2A-adrenoceptor/Alpha-2a adrenergic receptor in Human [ChEMBL: CHEMBL1867] [GtoPdb: 25] [UniProtKB: P08913]
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  • α2B-adrenoceptor/Alpha-2b adrenergic receptor in Human [ChEMBL: CHEMBL1942] [GtoPdb: 26] [UniProtKB: P18089]
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  • 5-LOX/Arachidonate 5-lipoxygenase in Human [ChEMBL: CHEMBL215] [GtoPdb: 1385] [UniProtKB: P09917]
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  • D1 receptor/Dopamine D1 receptor in Human [ChEMBL: CHEMBL2056] [GtoPdb: 214] [UniProtKB: P21728]
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  • D3 receptor/Dopamine D3 receptor in Human [ChEMBL: CHEMBL234] [GtoPdb: 216] [UniProtKB: P35462]
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  • H1 receptor/Histamine H1 receptor in Human [ChEMBL: CHEMBL231] [GtoPdb: 262] [UniProtKB: P35367]
  • Histamine H1 receptor in Guinea pig [ChEMBL: CHEMBL3943] [UniProtKB: P31389]
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  • H2 receptor/Histamine H2 receptor in Human [ChEMBL: CHEMBL1941] [GtoPdb: 263] [UniProtKB: P25021]
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  • H4 receptor/Histamine H4 receptor in Human [ChEMBL: CHEMBL3759] [GtoPdb: 265] [UniProtKB: Q9H3N8]
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  • M1 receptor/Muscarinic acetylcholine receptor M1 in Human [ChEMBL: CHEMBL216] [GtoPdb: 13] [UniProtKB: P11229]
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  • M2 receptor/Muscarinic acetylcholine receptor M2 in Human [ChEMBL: CHEMBL211] [GtoPdb: 14] [UniProtKB: P08172]
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  • M3 receptor/Muscarinic acetylcholine receptor M3 in Human [ChEMBL: CHEMBL245] [GtoPdb: 15] [UniProtKB: P20309]
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  • M4 receptor/Muscarinic acetylcholine receptor M4 in Human [ChEMBL: CHEMBL1821] [GtoPdb: 16] [UniProtKB: P08173]
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  • M5 receptor/Muscarinic acetylcholine receptor M5 in Human [ChEMBL: CHEMBL2035] [GtoPdb: 17] [UniProtKB: P08912]
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  • 5-HT1A receptor/Serotonin 1a (5-HT1a) receptor in Rat [ChEMBL: CHEMBL273] [GtoPdb: 1] [UniProtKB: P19327]
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  • 5-HT2A receptor/Serotonin 2a (5-HT2a) receptor in Human [ChEMBL: CHEMBL224] [GtoPdb: 6] [UniProtKB: P28223]
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  • 5-HT2B receptor/Serotonin 2b (5-HT2b) receptor in Human [ChEMBL: CHEMBL1833] [GtoPdb: 7] [UniProtKB: P41595]
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  • 5-HT2C receptor/Serotonin 2c (5-HT2c) receptor in Human [ChEMBL: CHEMBL225] [GtoPdb: 8] [UniProtKB: P28335]
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  • 5-HT6 receptor/Serotonin 6 (5-HT6) receptor in Human [ChEMBL: CHEMBL3371] [GtoPdb: 11] [UniProtKB: P50406]
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DB Assay description Assay Type Standard value Standard parameter Original value Original units Original parameter Reference
α1D-adrenoceptor/Alpha-1d adrenergic receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL223] [GtoPdb: 24] [UniProtKB: P25100]
ChEMBL DRUGMATRIX: Alpha-1D adrenergic receptor radioligand binding (ligand: prazosin) B 5.74 pKi 1832 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Alpha-1D adrenergic receptor radioligand binding (ligand: prazosin) B 5.43 pIC50 3727 nM IC50 DrugMatrix in vitro pharmacology data
α2A-adrenoceptor/Alpha-2a adrenergic receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1867] [GtoPdb: 25] [UniProtKB: P08913]
ChEMBL DRUGMATRIX: Alpha-2A adrenergic receptor radioligand binding (ligand: MK-912) B 6.09 pKi 820 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Alpha-2A adrenergic receptor radioligand binding (ligand: MK-912) B 5.66 pIC50 2187 nM IC50 DrugMatrix in vitro pharmacology data
α2B-adrenoceptor/Alpha-2b adrenergic receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1942] [GtoPdb: 26] [UniProtKB: P18089]
ChEMBL DRUGMATRIX: Alpha-2B adrenergic receptor radioligand binding (ligand: Rauwolscine) B 6.49 pKi 324 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Alpha-2B adrenergic receptor radioligand binding (ligand: Rauwolscine) B 6.15 pIC50 710 nM IC50 DrugMatrix in vitro pharmacology data
5-LOX/Arachidonate 5-lipoxygenase in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL215] [GtoPdb: 1385] [UniProtKB: P09917]
ChEMBL Inhibitory activity against 5-lipoxygenase in guinea pig leukocyte B 4 pIC50 >100000 nM IC50 J Med Chem (1989) 32: 583-593 [PMID:2465410]
D1 receptor/Dopamine D1 receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL2056] [GtoPdb: 214] [UniProtKB: P21728]
ChEMBL DRUGMATRIX: Dopamine D1 radioligand binding (ligand: [3H] SCH-23390) B 6.36 pKi 436 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Dopamine D1 radioligand binding (ligand: [3H] SCH-23390) B 6.06 pIC50 872 nM IC50 DrugMatrix in vitro pharmacology data
D3 receptor/Dopamine D3 receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL234] [GtoPdb: 216] [UniProtKB: P35462]
ChEMBL DRUGMATRIX: Dopamine D3 radioligand binding (ligand: [3H] Spiperone) B 6.18 pKi 667 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Dopamine D3 radioligand binding (ligand: [3H] Spiperone) B 5.71 pIC50 1963 nM IC50 DrugMatrix in vitro pharmacology data
H1 receptor/Histamine H1 receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL231] [GtoPdb: 262] [UniProtKB: P35367]
GtoPdb - - 8.6 pKi 2.5 nM Ki Bioorg Med Chem (2011) 19: 3005-21 [PMID:21470866]
ChEMBL Antagonist activity against human histamine H1 receptor expressed in CHO cells by FLIPR assay F 9.8 pKi 0.16 nM Ki J Med Chem (2010) 53: 7778-7795 [PMID:20942472]
ChEMBL DRUGMATRIX: Histamine H1, Central radioligand binding (ligand: [3H] Pyrilamine) B 9.86 pKi 0.14 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL Histamine H1 Receptors Binding Assay: Affinities of the test compounds for peripheral human histamine H-1-receptors were assessed using receptor-binding assays. The specific binding of the radioactive ligand to the receptor was defined as the difference between total binding and nonspecific binding, determined in the presence of excess unlabeled ligand. [3H]-histamine was used as the ligand in this study and the affinity values were determined according to the Cheng-Prusoff equation. B 5.64 pIC50 2300 nM IC50 US-9138431-B2. Methods of treatment of histamine H-4 receptor-related pruritus (2015)
ChEMBL Binding Assay: The specific binding of the radioactive ligand to the receptor was defined as the difference between total binding and nonspecific binding, determined in the presence of excess unlabeled ligand. B 5.64 pIC50 2300 nM IC50 US-9333199-B2. Methods of treatment of histamine H-4 receptor-related pruritus associated with nerve disorders (2016)
ChEMBL DRUGMATRIX: Histamine H1, Central radioligand binding (ligand: [3H] Pyrilamine) B 8.93 pIC50 1.19 nM IC50 DrugMatrix in vitro pharmacology data
ChEMBL Displacement of [3H]pyrilamine from human histamine H1 receptor expressed in CHO-K1 cells after 60 mins by scintillation counting B 9 pIC50 1 nM IC50 Bioorg Med Chem (2011) 19: 3005-3021 [PMID:21470866]
Histamine H1 receptor in Guinea pig (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3943] [UniProtKB: P31389]
ChEMBL H1-antihistamine activity in guinea pig ileum F 9.5 pKd 0.32 nM Kd J Med Chem (1986) 29: 2262-2267 [PMID:2431143]
ChEMBL H1-antihistamine activity on guinea pig ileum F 9.5 pKd 0.32 nM Kd J Med Chem (1984) 27: 1452-1457 [PMID:6208360]
ChEMBL The compound was tested in vitro for binding affinity against histamine H1 receptor from guinea pig cerebellum, using [3H]pyrilamine as radioligand at 0.1 uM B 9.51 pKi 0.31 nM Ki J Med Chem (1992) 35: 2074-2084 [PMID:1350797]
H2 receptor/Histamine H2 receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1941] [GtoPdb: 263] [UniProtKB: P25021]
ChEMBL DRUGMATRIX: Histamine H2 radioligand binding (ligand: [125I] Aminopotentidine) B 5.39 pKi 4060 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Histamine H2 radioligand binding (ligand: [125I] Aminopotentidine) B 5.38 pIC50 4129 nM IC50 DrugMatrix in vitro pharmacology data
H4 receptor/Histamine H4 receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3759] [GtoPdb: 265] [UniProtKB: Q9H3N8]
ChEMBL Binding Assay: The specific binding of the radioactive ligand to the receptor was defined as the difference between total binding and nonspecific binding, determined in the presence of excess unlabeled ligand. [3H]-histamine was used as the ligand in this study and the affinity values were determined according to the Cheng-Prusoff equation. B 4.68 pKi 21000 nM Ki US-9333199-B2. Methods of treatment of histamine H-4 receptor-related pruritus associated with nerve disorders (2016)
ChEMBL Histamine H-4 Receptor Binding Assay: Histamine H-4 Receptor Binding Assay B 4.68 pIC50 21000 nM IC50 US-9138431-B2. Methods of treatment of histamine H-4 receptor-related pruritus (2015)
M1 receptor/Muscarinic acetylcholine receptor M1 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL216] [GtoPdb: 13] [UniProtKB: P11229]
ChEMBL DRUGMATRIX: Muscarinic M1 radioligand binding (ligand: [3H] N-Methylscopolamine) B 6.57 pKi 268 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Muscarinic M1 radioligand binding (ligand: [3H] N-Methylscopolamine) B 5.95 pIC50 1112 nM IC50 DrugMatrix in vitro pharmacology data
M2 receptor/Muscarinic acetylcholine receptor M2 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL211] [GtoPdb: 14] [UniProtKB: P08172]
ChEMBL DRUGMATRIX: Muscarinic M2 radioligand binding (ligand: [3H] N-Methylscopolamine) B 6.53 pKi 298 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Muscarinic M2 radioligand binding (ligand: [3H] N-Methylscopolamine) B 6.08 pIC50 838 nM IC50 DrugMatrix in vitro pharmacology data
M3 receptor/Muscarinic acetylcholine receptor M3 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL245] [GtoPdb: 15] [UniProtKB: P20309]
ChEMBL DRUGMATRIX: Muscarinic M3 radioligand binding (ligand: [3H] N-Methylscopolamine) B 6.33 pKi 468 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Muscarinic M3 radioligand binding (ligand: [3H] N-Methylscopolamine) B 5.66 pIC50 2209 nM IC50 DrugMatrix in vitro pharmacology data
M4 receptor/Muscarinic acetylcholine receptor M4 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1821] [GtoPdb: 16] [UniProtKB: P08173]
ChEMBL DRUGMATRIX: Muscarinic M4 radioligand binding (ligand: [3H] N-Methylscopolamine) B 6.85 pKi 141 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Muscarinic M4 radioligand binding (ligand: [3H] N-Methylscopolamine) B 6 pIC50 1009 nM IC50 DrugMatrix in vitro pharmacology data
M5 receptor/Muscarinic acetylcholine receptor M5 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL2035] [GtoPdb: 17] [UniProtKB: P08912]
ChEMBL DRUGMATRIX: Muscarinic M5 radioligand binding (ligand: [3H] N-Methylscopolamine) B 6.57 pKi 269 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Muscarinic M5 radioligand binding (ligand: [3H] N-Methylscopolamine) B 6.43 pIC50 374 nM IC50 DrugMatrix in vitro pharmacology data
Plasmodium falciparum (target type: ORGANISM) [ChEMBL: CHEMBL364]
ChEMBL DNDI: Malaria in Vitro, 72 hour F 6.12 pIC50 750 nM IC50 Antiprotozoal Activity Profiling of Approved Drugs: A Starting Point toward Drug Repositioning
5-HT1A receptor/Serotonin 1a (5-HT1a) receptor in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL273] [GtoPdb: 1] [UniProtKB: P19327]
ChEMBL DRUGMATRIX: Serotonin (5-Hydroxytryptamine) 5-HT1A radioligand binding (ligand: [3H] 8-OH-DPAT) B 5.84 pKi 1450 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Serotonin (5-Hydroxytryptamine) 5-HT1A radioligand binding (ligand: [3H] 8-OH-DPAT) B 5.6 pIC50 2537 nM IC50 DrugMatrix in vitro pharmacology data
5-HT2A receptor/Serotonin 2a (5-HT2a) receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL224] [GtoPdb: 6] [UniProtKB: P28223]
ChEMBL Antagonist activity at human 5HT2A receptor expressed in HEK cells assessed as inhibition of intracellular calcium accumulation by aequorin assay F 7.8 pKi 15.85 nM Ki J Med Chem (2010) 53: 7778-7795 [PMID:20942472]
ChEMBL DRUGMATRIX: Serotonin (5-Hydroxytryptamine) 5-HT2A radioligand binding (ligand: [3H] Ketanserin) B 8.05 pKi 8.98 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Serotonin (5-Hydroxytryptamine) 5-HT2A radioligand binding (ligand: [3H] Ketanserin) B 7.51 pIC50 31 nM IC50 DrugMatrix in vitro pharmacology data
5-HT2B receptor/Serotonin 2b (5-HT2b) receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1833] [GtoPdb: 7] [UniProtKB: P41595]
ChEMBL Antagonist activity at human 5HT2B receptor expressed in human SH-SY5Y cells by FLIPR assay F 7.5 pKi 31.62 nM Ki J Med Chem (2010) 53: 7778-7795 [PMID:20942472]
ChEMBL DRUGMATRIX: Serotonin (5-Hydroxytryptamine) 5-HT2B radioligand binding (ligand: [3H] Lysergic acid diethylamide) B 7.54 pKi 29 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Serotonin (5-Hydroxytryptamine) 5-HT2B radioligand binding (ligand: [3H] Lysergic acid diethylamide) B 7.34 pIC50 46 nM IC50 DrugMatrix in vitro pharmacology data
5-HT2C receptor/Serotonin 2c (5-HT2c) receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL225] [GtoPdb: 8] [UniProtKB: P28335]
ChEMBL Antagonist activity at human 5HT2C receptor expressed in human SH-SY5Y cells by FLIPR assay F 6.7 pKi 199.53 nM Ki J Med Chem (2010) 53: 7778-7795 [PMID:20942472]
ChEMBL DRUGMATRIX: Serotonin (5-Hydroxytryptamine) 5-HT2C radioligand binding (ligand: [3H] Mesulergine) B 7.08 pKi 84 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Serotonin (5-Hydroxytryptamine) 5-HT2C radioligand binding (ligand: [3H] Mesulergine) B 6.8 pIC50 160 nM IC50 DrugMatrix in vitro pharmacology data
5-HT6 receptor/Serotonin 6 (5-HT6) receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3371] [GtoPdb: 11] [UniProtKB: P50406]
ChEMBL DRUGMATRIX: Serotonin (5-Hydroxytryptamine) 5-HT6 radioligand binding (ligand: [3H] Lysergic acid diethylamide) B 6.28 pKi 530 nM Ki DrugMatrix in vitro pharmacology data
ChEMBL DRUGMATRIX: Serotonin (5-Hydroxytryptamine) 5-HT6 radioligand binding (ligand: [3H] Lysergic acid diethylamide) B 5.94 pIC50 1141 nM IC50 DrugMatrix in vitro pharmacology data

ChEMBL data shown on this page come from version 33:

Mendez D, Gaulton A, Bento AP, Chambers J, De Veij M, Félix E, Magariños MP, Mosquera JF, Mutowo P, Nowotka M, Gordillo-Marañón M, Hunter F, Junco L, Mugumbate G, Rodriguez-Lopez M, Atkinson F, Bosc N, Radoux CJ, Segura-Cabrera A, Hersey A, Leach AR. (2019) 'ChEMBL: towards direct deposition of bioassay data' Nucleic Acids Res., 47(D1). DOI: 10.1093/nar/gky1075. [EPMCID:30398643]
Davies M, Nowotka M, Papadatos G, Dedman N, Gaulton A, Atkinson F, Bellis L, Overington JP. (2015) 'ChEMBL web services: streamlining access to drug discovery data and utilities.' Nucleic Acids Res., 43(W1). DOI: 10.1093/nar/gkv352. [EPMCID:25883136]