huperzine A [Ligand Id: 13727] activity data from GtoPdb and ChEMBL

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ChEMBL ligand: CHEMBL395280
  • Acetylcholinesterase in Electrophorus electricus [ChEMBL: CHEMBL4078] [UniProtKB: O42275]
  • acetylcholinesterase (Yt blood group)/Acetylcholinesterase in Human [ChEMBL: CHEMBL220] [GtoPdb: 2465] [UniProtKB: P22303]
  • Acetylcholinesterase in Bovine [ChEMBL: CHEMBL4768] [UniProtKB: P23795]
  • acetylcholinesterase (Yt blood group)/Acetylcholinesterase in Rat [ChEMBL: CHEMBL3199] [GtoPdb: 2465] [UniProtKB: P37136]
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  • butyrylcholinesterase/Butyrylcholinesterase in Human [ChEMBL: CHEMBL1914] [GtoPdb: 2471] [UniProtKB: P06276]
  • Butyrylcholinesterase in Rat [ChEMBL: CHEMBL3403] [UniProtKB: Q9JKC1]
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DB Assay description Assay Type Standard value Standard parameter Original value Original units Original parameter Reference
Acetylcholinesterase in Electrophorus electricus (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4078] [UniProtKB: O42275]
ChEMBL Inhibition of electric eel AChE using acetylthiocholine chloride as a substrate incubated for 20 mins followed by substrate addition and measured after 20 mins by Ellman's method B 4.96 pIC50 11000 nM IC50 J Nat Prod (2021) 84: 2374-2379 [PMID:34445873]
ChEMBL Inhibition of Electric eel AChE using acetylcholine iodide as substrate by spectrophotometry based Ellman's method B 5.29 pIC50 5170 nM IC50 Bioorg Med Chem Lett (2020) 30: 126985-126985 [PMID:32008906]
acetylcholinesterase (Yt blood group)/Acetylcholinesterase in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL220] [GtoPdb: 2465] [UniProtKB: P22303]
ChEMBL Binding affinity to CM5 sensor chip immobilized recombinant human AChE assessed as dissociation constant at 298.15 K by surface plasmon resonance assay B 7.77 pKd 17 nM Kd J Med Chem (2021) 64: 1844-1855 [PMID:33570950]
GtoPdb - - 7.77 pKd 17 nM Kd J Med Chem (2021) 64: 1844-1855 [PMID:33570950]
ChEMBL Inhibition of AChE (unknown origin) using acetylthiocholine iodide as substrate by DTNB reagent based Ellman's method B 5.28 pIC50 5280 nM IC50 Bioorg Med Chem Lett (2022) 72: 128873-128873 [PMID:35779827]
ChEMBL Inhibition of AChE (unknown origin) using acetylthiocholine iodide as substrate after 5 mins by spectrophotometric analysis B 5.37 pIC50 4300 nM IC50 J Nat Prod (2019) 82: 792-797 [PMID:30794407]
ChEMBL Inhibition of human acetylcholinesterase after 30 mins by microplate reader-based Ellman's method B 6.22 pIC50 600 nM IC50 J Nat Prod (2015) 78: 3067-3070 [PMID:26618211]
ChEMBL Inhibition of AChE (unknown origin) using acetylthiocholine iodide as substrate preincubated for 10 mins followed by substrate addition measured after 10 mins by Ellman's method B 6.4 pIC50 400 nM IC50 J Nat Prod (2018) 81: 2115-2119 [PMID:30183289]
ChEMBL Inhibition of human AChE using acetylthiocholine iodide as substrate measured for 1 min by Ellman's method B 7.48 pIC50 33 nM IC50 J Nat Prod (2019) 82: 239-248 [PMID:30701972]
Acetylcholinesterase in Bovine (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4768] [UniProtKB: P23795]
ChEMBL Inhibition of bovine erythrocytes AChE using acetylthiocholine iodide as substrate incubated for 15 to 20 mins by Ellman's methods B 7 pIC50 100 nM IC50 J Nat Prod (2020) 83: 2831-2843 [PMID:32941036]
acetylcholinesterase (Yt blood group)/Acetylcholinesterase in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3199] [GtoPdb: 2465] [UniProtKB: P37136]
ChEMBL Inhibition of rat cortex AChE using acetylthiocholine iodide as substrate after 20 mins by by Ellman's method B 6.92 pIC50 120 nM IC50 Bioorg Med Chem (2018) 26: 3117-3125 [PMID:29729987]
ChEMBL Inhibition of AChE in rat cortex homogenate using acetylthiocholine iodide as substrate after 20 mins by Ellman's method B 7.01 pIC50 98 nM IC50 Eur J Med Chem (2018) 143: 33-47 [PMID:29172081]
ChEMBL Inhibition of rat cortex AChE using acetylthiocholine iodide as substrate measured after 20 mins by Ellman's method B 7.09 pIC50 82 nM IC50 J Med Chem (2016) 59: 8326-8344 [PMID:27552582]
ChEMBL Inhibition of rat cortex homogenate acetylcholinesterase by spectrophotometric method B 7.09 pIC50 82 nM IC50 Bioorg Med Chem (2020) 28: 115820-115820 [PMID:33120080]
butyrylcholinesterase/Butyrylcholinesterase in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1914] [GtoPdb: 2471] [UniProtKB: P06276]
ChEMBL Inhibition of human BuChE using butyrylthiocholine iodide as substrate measured for 1 min by Ellman's method B 4 pIC50 >100000 nM IC50 J Nat Prod (2019) 82: 239-248 [PMID:30701972]
Butyrylcholinesterase in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3403] [UniProtKB: Q9JKC1]
ChEMBL Inhibition of rat cortex homogenate BuChE by spectrophotometric method B 4.13 pIC50 74430 nM IC50 Bioorg Med Chem (2020) 28: 115820-115820 [PMID:33120080]
ChEMBL Inhibition of rat serum BChE using butyrylthiocholine iodide as substrate after 20 mins by by Ellman's method B 4.44 pIC50 36400 nM IC50 Bioorg Med Chem (2018) 26: 3117-3125 [PMID:29729987]
ChEMBL Inhibition of BuChE in rat serum using butyrylthiocholine iodide as substrate after 20 mins by Ellman's method B 4.44 pIC50 36400 nM IC50 Eur J Med Chem (2018) 143: 33-47 [PMID:29172081]

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]