basmisanil [Ligand Id: 10427] activity data from GtoPdb and ChEMBL

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ChEMBL ligand: CHEMBL3681419 (Basmisanil, Rg1662, RG-1662, RG1662, RO-5186582, RO5186582)
  • GABAA receptor γ2 subunit/GABAA receptor β3 subunit/GABAA receptor α5 subunit/GABA-A receptor; alpha-5/beta-3/gamma-2 in Human [ChEMBL: CHEMBL2094122] [GtoPdb: 414412408] [UniProtKB: P18507P28472P31644]
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  • GABAA receptor α1 subunit/GABA receptor alpha-1 subunit in Human [ChEMBL: CHEMBL1962] [GtoPdb: 404] [UniProtKB: P14867]
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  • GABAA receptor α2 subunit/GABA receptor alpha-2 subunit in Human [ChEMBL: CHEMBL4956] [GtoPdb: 405] [UniProtKB: P47869]
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  • GABAA receptor α3 subunit/GABA receptor alpha-3 subunit in Human [ChEMBL: CHEMBL3026] [GtoPdb: 406] [UniProtKB: P34903]
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  • GABAA receptor α5 subunit/GABA receptor alpha-5 subunit in Human [ChEMBL: CHEMBL5112] [GtoPdb: 408] [UniProtKB: P31644]
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DB Assay description Assay Type Standard value Standard parameter Original value Original units Original parameter Reference
GABAA receptor γ2 subunit/GABAA receptor β3 subunit/GABAA receptor α5 subunit/GABA-A receptor; alpha-5/beta-3/gamma-2 in Human (target type: PROTEIN COMPLEX) [ChEMBL: CHEMBL2094122] [GtoPdb: 414412408] [UniProtKB: P18507P28472P31644]
GtoPdb Binding affinity determined in a radioligand displacement assay: test compound competition for [3H]flumazenil at α5β3γ2 GABAA channels transiently expressed in HEK293 cells. - 8.33 pKi 4.7 nM Ki WO2009071476A1. Isoxazolo-pyridine derivatives (2009)
ChEMBL Displacement of [3H]Ro151788 from human recombinant alpha5beta3gamma2 GABAA receptor stably expressed in HEK293 cell membrane assessed as inhibition constant by radioligand binding assay B 8.36 pKi 4.4 nM Ki J Med Chem (2022) 65: 7876-7895 [PMID:35584373]
GABAA receptor α1 subunit/GABA receptor alpha-1 subunit in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1962] [GtoPdb: 404] [UniProtKB: P14867]
ChEMBL Negative allosteric modulation of alpha1 GABAA (unknown origin) B 5.92 pKi 1214 nM Ki Bioorg Med Chem Lett (2023) 80: 129107-129107 [PMID:36549396]
ChEMBL Binding affinity to GABA-A alpha1 (unknown origin) B 6.01 pKi 985 nM Ki J Med Chem (2020) 63: 3425-3446 [PMID:31738537]
GABAA receptor α2 subunit/GABA receptor alpha-2 subunit in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4956] [GtoPdb: 405] [UniProtKB: P47869]
ChEMBL Binding affinity to GABA-A alpha2 (unknown origin) B 6.3 pKi 502 nM Ki J Med Chem (2020) 63: 3425-3446 [PMID:31738537]
GABAA receptor α3 subunit/GABA receptor alpha-3 subunit in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3026] [GtoPdb: 406] [UniProtKB: P34903]
ChEMBL Binding affinity to GABA-A alpha3 (unknown origin) B 6.31 pKi 489 nM Ki J Med Chem (2020) 63: 3425-3446 [PMID:31738537]
GABAA receptor α5 subunit/GABA receptor alpha-5 subunit in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5112] [GtoPdb: 408] [UniProtKB: P31644]
ChEMBL Radioligand Binding Assay: Radioligand binding assays were carried out in a volume of 200 mL (96-well plates) which contained 100 mL of cell memebranes, [3H]flumazenil at a concentration of 1 nM for α1, α2, α3 subunits and 0.5 nM for α5 subunits and the test compound in the range of 10-10−3x10−6 M. Nonspecific binding was defined by 10−5 M diazepam and typically represented less than 5% of the total binding. Assays were incubated to equilibrium for 1 hour at 4 C. and harvested onto GF/C uni-filters (Packard) by filtration using a Packard harvester and washing with ice-cold wash buffer (50 mM Tris; pH 7.5). After drying, filter-retained radioactivity was detected by liquid scintillation counting. B 8.33 pKi 4.7 nM Ki US-8846719-B2. Isoxazolo-pyridine derivatives (2014)
ChEMBL Binding affinity to GABA-A alpha5 (unknown origin) B 8.33 pKi 4.7 nM Ki J Med Chem (2020) 63: 3425-3446 [PMID:31738537]
GtoPdb Binding affinity determined in a radioligand displacement assay: test compound competition for [3H]flumazenil at α5β3γ2 GABAA channels transiently expressed in HEK293 cells. - 8.33 pKi 4.7 nM Ki WO2009071476A1. Isoxazolo-pyridine derivatives (2009)
ChEMBL Negative allosteric modulation of alpha5 GABAA (unknown origin) B 8.36 pKi 4.4 nM Ki Bioorg Med Chem Lett (2023) 80: 129107-129107 [PMID:36549396]

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]