AM281 [Ligand Id: 741] activity data from GtoPdb and ChEMBL

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ChEMBL ligand: CHEMBL476833 (AM-281)
  • CB1 receptor/Cannabinoid CB1 receptor in Human [ChEMBL: CHEMBL218] [GtoPdb: 56] [UniProtKB: P21554]
  • CB1 receptor/Cannabinoid CB1 receptor in Rat [ChEMBL: CHEMBL3571] [GtoPdb: 56] [UniProtKB: P20272]
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  • CB2 receptor/Cannabinoid CB2 receptor in Human [ChEMBL: CHEMBL253] [GtoPdb: 57] [UniProtKB: P34972]
  • CB2 receptor/Cannabinoid CB2 receptor in Rat [ChEMBL: CHEMBL2470] [GtoPdb: 57] [UniProtKB: Q9QZN9]
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DB Assay description Assay Type Standard value Standard parameter Original value Original units Original parameter Reference
CB1 receptor/Cannabinoid CB1 receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL218] [GtoPdb: 56] [UniProtKB: P21554]
ChEMBL Displacement of [3H]CP-55940 form human recombinant CB1 receptor expressed in HEK293 cells by liquid scintillation counting B 6.37 pKi 422 nM Ki Eur J Med Chem (2009) 44: 593-608 [PMID:18511157]
ChEMBL Antagonist activity at CB1 receptor (unknown origin) B 7.88 pKi 13.24 nM Ki Med Chem Res (2013) 22: 4133-4145
ChEMBL Antagonist activity at CB1 receptor (unknown origin) B 7.88 pKi 13.2 nM Ki Med Chem Res (2013) 22: 4133-4145
CB1 receptor/Cannabinoid CB1 receptor in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3571] [GtoPdb: 56] [UniProtKB: P20272]
GtoPdb - - 7.9 pKi 12.6 nM Ki AAPS PharmSci (1999) 1: E4 [PMID:11741201]
ChEMBL Displacement of [3H]CP-55940 from cannabinoid CB1 receptor in rat brain cortical membrane B 7.91 pKi 12.4 nM Ki Bioorg Med Chem (2009) 17: 2842-2851 [PMID:19278853]
ChEMBL Binding affinity was determined by using a competition assay with [125 I]- AM251 against rat cannabinoid receptor 1 B 8.35 pKi 4.5 nM Ki J Med Chem (2003) 46: 642-645 [PMID:12570386]
CB2 receptor/Cannabinoid CB2 receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL253] [GtoPdb: 57] [UniProtKB: P34972]
ChEMBL Displacement of [3H]CP-55940 from human recombinant cannabinoid CB2 receptor expressed in HEK293 cells B 5.38 pKi 4200 nM Ki Bioorg Med Chem (2009) 17: 2842-2851 [PMID:19278853]
CB2 receptor/Cannabinoid CB2 receptor in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL2470] [GtoPdb: 57] [UniProtKB: Q9QZN9]
ChEMBL Binding affinity to rat spleen cannabinoid CB2 receptor B 5.38 pKi 4200 nM Ki Bioorg Med Chem (2009) 17: 2842-2851 [PMID:19278853]
GPR55/G-protein coupled receptor 55 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1075322] [GtoPdb: 109] [UniProtKB: Q9Y2T6]
GtoPdb - - 8.52 pIC50 3 nM IC50 Br J Pharmacol (2007) 152: 1092-101 [PMID:17876302];
Br J Pharmacol (2010) 160: 604-14 [PMID:20136841]
ChEMBL Agonist activity at human GPR55 expressed in HEK293 cells assessed as increase in oscillation Ca2+ transients by fura-2 dye based fluorescence analysis F 4.87 pEC50 13600 nM EC50 Medchemcomm (2014) 5: 632-649

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]