iodoproxyfan [Ligand Id: 1253] activity data from GtoPdb and ChEMBL

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ChEMBL ligand: CHEMBL19010 (Iodoproxyfan)
  • H3 receptor/Histamine H3 receptor in Human [ChEMBL: CHEMBL264] [GtoPdb: 264] [UniProtKB: Q9Y5N1]
  • H3 receptor/Histamine H3 receptor in Rat [ChEMBL: CHEMBL4124] [GtoPdb: 264] [UniProtKB: Q9QYN8]
  • Histamine H3 receptor in Guinea pig [ChEMBL: CHEMBL5076] [UniProtKB: Q9JI35]
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  • H4 receptor/Histamine H4 receptor in Human [ChEMBL: CHEMBL3759] [GtoPdb: 265] [UniProtKB: Q9H3N8]
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DB Assay description Assay Type Standard value Standard parameter Original value Original units Original parameter Reference
H3 receptor/Histamine H3 receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL264] [GtoPdb: 264] [UniProtKB: Q9Y5N1]
ChEMBL Inhibition of [125I]iodoproxyfan binding to human histamine H3 receptor of CHO-K1 cells B 7.39 pKi 41 nM Ki Bioorg Med Chem Lett (2001) 11: 951-954 [PMID:11294398]
ChEMBL Displacement of [3H]Nalpha-methylhistamine from human histamine H3 receptor expressed in human SK-N-MC cells B 9.2 pKi 0.63 nM Ki Bioorg Med Chem Lett (2010) 20: 7191-7199 [PMID:21044842]
ChEMBL Displacement of [3H]histamine from human H3 receptor expressed in HEK293 cells after 1 to 1.5 hrs by scintillation counting B 9.2 pKi 0.63 nM Ki J Med Chem (2011) 54: 8136-8147 [PMID:22003888]
GtoPdb - - 10 pKi - - - Eur J Pharmacol (2002) 453: 33-41 [PMID:12393057]
ChEMBL Agonist activity at human histamine H3 receptor expressed in human SK-N-MC cells by CRE-beta galactosidase reporter gene assay F 10.3 pEC50 0.05 nM EC50 Bioorg Med Chem Lett (2010) 20: 7191-7199 [PMID:21044842]
H3 receptor/Histamine H3 receptor in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4124] [GtoPdb: 264] [UniProtKB: Q9QYN8]
ChEMBL Inhibition of [125I]iodoproxyfan from rat histamine H3 receptor expressed in CHO-K1 cells B 7.15 pKi 71 nM Ki Bioorg Med Chem Lett (2001) 11: 951-954 [PMID:11294398]
ChEMBL In vitro antagonistic activity tested against Histamine H3 receptor on synaptosomes from rat cerebral cortex F 8.3 pKi 5.01 nM Ki J Med Chem (1996) 39: 1220-1226 [PMID:8632428]
ChEMBL In vitro antagonistic activity tested against Histamine H3 receptor on synaptosomes from rat cerebral cortex F 8.3 pKi 5 nM Ki J Med Chem (1996) 39: 1220-1226 [PMID:8632428]
ChEMBL Binding affinity towards Histamine H3 receptor on synaptosomes from rat cerebral cortex B 9 pKi 1 nM Ki J Med Chem (1996) 39: 1220-1226 [PMID:8632428]
ChEMBL Histamine H3 receptor affinity of compound was determined in rat cortical membranes using the H3 selective agonist ligand, [3H]N-alpha-methylhistamine F 9.52 pKi 0.3 nM Ki Bioorg Med Chem Lett (1997) 7: 3017-3022
GtoPdb - - 9.6 pKi - - - Eur J Pharmacol (2002) 453: 33-41 [PMID:12393057]
Histamine H3 receptor in Guinea pig (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5076] [UniProtKB: Q9JI35]
ChEMBL Displacement of [3H]Nalpha-methylhistamine from histamine H3 receptors in homogenates of rat cerebral cortex B 8.3 pKd 5.01 nM Kd J Med Chem (2001) 44: 1666-1674 [PMID:11356102]
H4 receptor/Histamine H4 receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3759] [GtoPdb: 265] [UniProtKB: Q9H3N8]
ChEMBL Displacement of [3H]-histamine from human histamine H4 receptor expressed in Sf9 cells coexpressing RGS19, Galphai2, Gbeta1gamma2 B 7.9 pKi 12.59 nM Ki Bioorg Med Chem Lett (2010) 20: 7191-7199 [PMID:21044842]
ChEMBL Displacement of [3H]histamine from human H4 receptor expressed in HEK293 cells after 1 to 1.5 hrs by scintillation counting B 7.9 pKi 12.59 nM Ki J Med Chem (2011) 54: 8136-8147 [PMID:22003888]
ChEMBL Agonist activity at human histamine H4 receptor expressed in human SK-N-MC cells by CRE-beta galactosidase reporter gene assay F 7.9 pEC50 12.59 nM EC50 Bioorg Med Chem Lett (2010) 20: 7191-7199 [PMID:21044842]

ChEMBL data shown on this page come from version 34:

Zdrazil B, Felix E, Hunter F, Manners EJ, Blackshaw J, Corbett S, de Veij M, Ioannidis H, Lopez DM, Mosquera JF, Magarinos MP, Bosc N, Arcila R, Kizilören T, Gaulton A, Bento AP, Adasme MF, Monecke P, Landrum GA, Leach AR. (2024). The ChEMBL Database in 2023: a drug discovery platform spanning multiple bioactivity data types and time periods. Nucleic Acids Res., 52(D1). DOI: 10.1093/nar/gkad1004. [EPMCID:10767899] [PMID:37933841]
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]