ChEMBL ligand: CHEMBL3417009
5-HT4 receptor/5-hydroxytryptamine receptor 4 in Human [ChEMBL: CHEMBL1875] [GtoPdb: 9] [UniProtKB: Q13639] 5-hydroxytryptamine receptor 4 in Guinea pig [ChEMBL: CHEMBL5017] [UniProtKB: O70528] There should be some charts here, you may need to enable JavaScript!
acetylcholinesterase (Yt blood group)/Acetylcholinesterase in Human [ChEMBL: CHEMBL220] [GtoPdb: 2465] [UniProtKB: P22303] There should be some charts here, you may need to enable JavaScript!
Cholinesterase in Equus caballus [ChEMBL: CHEMBL5763] [UniProtKB: P81908] There should be some charts here, you may need to enable JavaScript!
sigma non-opioid intracellular receptor 1/Sigma non-opioid intracellular receptor 1 in Human [ChEMBL: CHEMBL287] [GtoPdb: 2552] [UniProtKB: Q99720] There should be some charts here, you may need to enable JavaScript!

DB	Assay description	Assay Type	Standard value	Standard parameter	Original value	Original units	Original parameter	Reference
5-HT4 receptor/5-hydroxytryptamine receptor 4 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1875] [GtoPdb: 9] [UniProtKB: Q13639]
ChEMBL	Agonist activity at 5-HT4R (unknown origin)	B	7.98	pKi	10.4	nM	Ki	Eur J Med Chem (2019) 162: 234-248 [PMID:30447434]
ChEMBL	Displacement of [3H]GR113808 from human 5-HT4 receptor expressed in Chem-1 cell membrane incubated for 60 mins by radiometric scintillation counting analysis	B	7.98	pKi	10.4	nM	Ki	Bioorg Med Chem Lett (2022) 72: 128873-128873 [PMID:35779827]
ChEMBL	Displacement of [3H]-GR113808 from recombinant human 5-HT4BR expressed in membranes after 60 mins	B	8.02	pKi	9.5	nM	Ki	Eur J Med Chem (2019) 162: 234-248 [PMID:30447434]
ChEMBL	Competition Assay: Prior to these competition studies, a series of saturation curves were performed in order to check whether the pharmacological parameters Kd, Bmax and the Hill Coefficient of [3H]-GR113808, obtained in our experimental conditions, are consistent with those published in the literature. For that purpose, 7.5 μg/μL membrane preparation samples are incubated in duplicate (50 mM HEPES buffer, pH 7.4, +37° C.) at +37° C. for 30 minutes, in the presence of 7 increasing concentrations (0.05-1.5 nM, 200 μl of final volume) of [3H]-GR113808 (Grossman et al., 1993). Using a Brandel Cell Harvester, the binding of the radioligand with the proteins is interrupted by rapid filtration of the incubation medium through a filter strip (WHATMAN GF/B FP-100) pre-incubated in polyethylenimine (PEI 0.5% in water); filtration is followed by 3 rinses with 4 ml of 50 mM HEPES buffer, pH 7.4, at +4° C. The non-specific binding of [3H]-GR113808 is quantified in the presence of 30 μM of serotonin, specific binding thus being estimated as the difference: (binding in the absence of serotonin)−(binding in the presence of serotonin).	B	8.15	pKi	7.1	nM	Ki	US-9663465-B2. Acetylcholinesterase inhibitors and promnesiant serotonin 5-HT4 receptor agonists, their methods of preparation and the pharmaceutical compositions containing the same (2017)
ChEMBL	Displacement of [3H]GR113808 from human 5-HT4R membrane in Tris buffer assessed as inhibitory constant measured after 60 mins by filter binding method	B	8.18	pKi	6.6	nM	Ki	Eur J Med Chem (2019) 169: 200-223 [PMID:30884327]
ChEMBL	Activity at 5-HT4R (unknown origin) expressed in COS7 cells assessed as increase in sAPPalpha release	B	7.95	pEC50	11.3	nM	EC50	J Med Chem (2015) 58: 3172-3187 [PMID:25793650]
5-hydroxytryptamine receptor 4 in Guinea pig (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5017] [UniProtKB: O70528]
ChEMBL	Displacement of [3H]GR113808 from 5-HT4R in guinea pig brain membranes incubated for 30 mins by radioligand binding assay	B	8.18	pKi	6.6	nM	Ki	J Med Chem (2015) 58: 3172-3187 [PMID:25793650]
acetylcholinesterase (Yt blood group)/Acetylcholinesterase in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL220] [GtoPdb: 2465] [UniProtKB: P22303]
ChEMBL	Inhibition of AChE (unknown origin)	B	7.8	pKi	16	nM	Ki	Eur J Med Chem (2019) 162: 234-248 [PMID:30447434]
ChEMBL	Inhibition Assay: Acetylcholinesterase extracted from human erythrocytes (buffered aqueous solution, ≧500 units/mg, Sigma Aldrich) is diluted in a 20 mM HEPES buffer pH8, 0.1% Triton X-100, to obtain a standard solution with 2.5 units of enzyme activity/ml. 100 μL of a 0.3 mM 5,5-dithiobis(2-nitrobenzoic acid) (DTNB) solution in a pH 7.4 phosphate buffer are introduced into a 96-well plate, followed by 50 μL of compound to be tested in solution in DMSO and 50 μL of enzyme solution. After 5 min of preincubation, the reaction is initiated by injecting 50 μL of 10 mM acetylthiocholine iodide solution. Hydrolysis of the acetylthiocholine is followed by the formation of the anion 5-thio-2-nitrobenzoate, produced by the reaction of the DTNB with the thiocholine released by the enzymatic hydrolysis of the acetylthiocholine, by means of a microplate reader (TECAN Infinite M200, Lyon, France) at a wavelength of 412 nm per minute for 10 minutes. Donepezil is used as a reference product.	B	7.2	pIC50	63	nM	IC50	US-9663465-B2. Acetylcholinesterase inhibitors and promnesiant serotonin 5-HT4 receptor agonists, their methods of preparation and the pharmaceutical compositions containing the same (2017)
ChEMBL	Inhibition of human erythrocyte AChE pre-incubated for 5 mins before acetylthiocholine iodide substrate by Ellman' method	B	7.8	pIC50	16	nM	IC50	J Med Chem (2015) 58: 3172-3187 [PMID:25793650]
ChEMBL	Mixed type competitive inhibition of human AChE using acetylthiocholine iodide as substrate preincubated for 5 mins followed by substrate addition measured every 1 min for 10 mins by Ellman's method	B	7.8	pIC50	16	nM	IC50	Eur J Med Chem (2018) 158: 463-477 [PMID:30243151]
ChEMBL	Inhibition of human erythrocyte AChE using acetylthiocholine iodide as substrate incubated for 5 mins followed by substrate addition by Ellman's method	B	7.8	pIC50	16	nM	IC50	Eur J Med Chem (2019) 169: 200-223 [PMID:30884327]
ChEMBL	Inhibition of human AChE using acetylthiocholine iodide as substrate preincubated for 5 mins followed by substrate addition and by DTNB reagent based Ellman's method	B	7.8	pIC50	16	nM	IC50	Bioorg Med Chem Lett (2022) 72: 128873-128873 [PMID:35779827]
GtoPdb	-	-	7.8	pIC50	16	nM	IC50	Proc Natl Acad Sci USA (2014) 111: E3825-30 [PMID:25157130]
Cholinesterase in Equus caballus (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5763] [UniProtKB: P81908]
ChEMBL	Inhibition of equine serum BuChE pre-incubated for 5 mins before butyrylthiocholine iodide substrate by Ellman' method	B	5.45	pIC50	3530	nM	IC50	J Med Chem (2015) 58: 3172-3187 [PMID:25793650]
sigma non-opioid intracellular receptor 1/Sigma non-opioid intracellular receptor 1 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL287] [GtoPdb: 2552] [UniProtKB: Q99720]
ChEMBL	Displacement of [3H]-(+)-pentazocine from sigma-1 receptor in human Jurkat cell membranes after 2 hrs by liquid scintillation counting method	B	7.29	pKi	51	nM	Ki	Eur J Med Chem (2019) 162: 234-248 [PMID:30447434]

ChEMBL data shown on this page come from version 36:

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]