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| ChEMBL ligand: CHEMBL300555 (Espiroxatrina, NSC-665322, R 5188, R-5188, Spiroxatrine) |
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| DB | Assay description | Assay Type | Standard value | Standard parameter | Original value | Original units | Original parameter | Reference |
|---|---|---|---|---|---|---|---|---|
| 5-HT1A receptor/5-hydroxytryptamine receptor 1A in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL214] [GtoPdb: 1] [UniProtKB: P08908] | ||||||||
| ChEMBL | Binding affinity to 5HT1A receptor | B | 8.6 | pKd | 2.51 | nM | Kd | J Med Chem (2009) 52: 6107-6125 [PMID:19754201] |
| ChEMBL | PDSP Secondary Binding target: HTR1A - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 7.25 | pKi | 56.64 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| GtoPdb | - | - | 8.8 | pKi | - | - | - | Eur J Pharmacol (1998) 355: 245-56 [PMID:9760039] |
| 5-HT1A receptor/5-hydroxytryptamine receptor 1A in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL273] [GtoPdb: 1] [UniProtKB: P19327] | ||||||||
| ChEMBL | Binding affinity against 5-hydroxytryptamine 1A receptor of rat was determined using [3H]8-OH-DPAT in binding assay | B | 7.68 | pKi | 21 | nM | Ki | J Med Chem (1988) 31: 1965-1968 [PMID:2902227] |
| ChEMBL | Binding affinity against 5-hydroxytryptamine 1A receptor of rat was determined using [3H]8-OH-DPAT in binding assay | B | 8.72 | pKi | 1.9 | nM | Ki | J Med Chem (1988) 31: 1965-1968 [PMID:2902227] |
| 5-HT1B receptor/5-hydroxytryptamine receptor 1B in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3459] [GtoPdb: 2] [UniProtKB: P28564] | ||||||||
| ChEMBL | Binding affinity towards 5-hydroxytryptamine 1B receptor in rat was determined using 50 uL of [125I]ICYP in binding assay | B | 5 | pKi | >10000 | nM | Ki | J Med Chem (1988) 31: 1965-1968 [PMID:2902227] |
| ChEMBL | Binding affinity towards 5-hydroxytryptamine 1B receptor in rat was determined using 50 uL of [125I]ICYP in binding assay | B | 5 | pKi | >10000 | nM | Ki | J Med Chem (1988) 31: 1965-1968 [PMID:2902227] |
| 5-HT2A receptor/5-hydroxytryptamine receptor 2A in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL224] [GtoPdb: 6] [UniProtKB: P28223] | ||||||||
| ChEMBL | PDSP Secondary Binding target: HTR2A - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 6.15 | pKi | 702.1 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| 5-HT5A receptor/5-hydroxytryptamine receptor 5A in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3426] [GtoPdb: 10] [UniProtKB: P47898] | ||||||||
| ChEMBL | PDSP Secondary Binding target: HTR5A - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 5.42 | pKi | 3797.96 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| 5-HT7 receptor/5-hydroxytryptamine receptor 7 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3155] [GtoPdb: 12] [UniProtKB: P34969] | ||||||||
| ChEMBL | PDSP Secondary Binding target: HTR7 - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 7.18 | pKi | 66.12 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| α1A-adrenoceptor/Alpha-1A adrenergic receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL229] [GtoPdb: 22] [UniProtKB: P35348] | ||||||||
| ChEMBL | PDSP Secondary Binding target: ADRA1A - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 6.35 | pKi | 445.96 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| GtoPdb | - | - | 7.3 | pKi | - | - | - |
Jpn J Pharmacol (2001) 86: 189-95 [PMID:11459121]; Pharmacol Res Perspect (2020) 8: e00602 [PMID:32608144] |
| α1B-adrenoceptor/Alpha-1B adrenergic receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL232] [GtoPdb: 23] [UniProtKB: P35368] | ||||||||
| ChEMBL | PDSP Secondary Binding target: ADRA1B - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 6.5 | pKi | 319.41 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| GtoPdb | - | - | 7.6 | pKi | - | - | - | Jpn J Pharmacol (2001) 86: 189-95 [PMID:11459121] |
| α1D-adrenoceptor/Alpha-1D adrenergic receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL223] [GtoPdb: 24] [UniProtKB: P25100] | ||||||||
| ChEMBL | PDSP Secondary Binding target: ADRA1D - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 6.86 | pKi | 138.71 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| GtoPdb | - | - | 7.9 | pKi | - | - | - |
Jpn J Pharmacol (2001) 86: 189-95 [PMID:11459121]; Pharmacol Res Perspect (2020) 8: e00602 [PMID:32608144] |
| α2A-adrenoceptor/Alpha-2A adrenergic receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1867] [GtoPdb: 25] [UniProtKB: P08913] | ||||||||
| ChEMBL | PDSP Secondary Binding target: ADRA2A - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 6.21 | pKi | 616.88 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| GtoPdb | - | - | 7.3 | pKi | - | - | - |
J Pharmacol Exp Ther (1994) 271: 1558-65 [PMID:7996470]; Pharmacol Res Perspect (2022) 10: e00936 [PMID:35224877] |
| α2B-adrenoceptor/Alpha-2B adrenergic receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1942] [GtoPdb: 26] [UniProtKB: P18089] | ||||||||
| ChEMBL | PDSP Secondary Binding target: ADRA2B - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 7.97 | pKi | 10.67 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| GtoPdb | - | - | 8.8 | pKi | - | - | - |
J Pharmacol Exp Ther (1994) 271: 1558-65 [PMID:7996470]; Pharmacol Res Perspect (2022) 10: e00936 [PMID:35224877] |
| α2C-adrenoceptor/Alpha-2C adrenergic receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1916] [GtoPdb: 27] [UniProtKB: P18825] | ||||||||
| ChEMBL | PDSP Secondary Binding target: ADRA2C - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 8.07 | pKi | 8.55 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| GtoPdb | - | - | 9 | pKi | - | - | - |
J Pharmacol Exp Ther (1994) 271: 1558-65 [PMID:7996470]; Pharmacol Res Perspect (2022) 10: e00936 [PMID:35224877] |
| D2 receptor/D(2) dopamine receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL217] [GtoPdb: 215] [UniProtKB: P14416] | ||||||||
| ChEMBL | PDSP Secondary Binding target: DRD2 - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 8.17 | pKi | 6.71 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| D2 receptor/D(2) dopamine receptor in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL339] [GtoPdb: 215] [UniProtKB: P61169] | ||||||||
| ChEMBL | Binding affinity against Dopamine receptor D2 of rat was determined using 2 nM of [3H]sulpiride in binding assay | B | 8.84 | pKi | 1.45 | nM | Ki | J Med Chem (1988) 31: 1965-1968 [PMID:2902227] |
| ChEMBL | Binding affinity against Dopamine receptor D2 of rat was determined using 2 nM of [3H]sulpiride in binding assay | B | 9.66 | pKi | 0.22 | nM | Ki | J Med Chem (1988) 31: 1965-1968 [PMID:2902227] |
| D3 receptor/D(3) dopamine receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL234] [GtoPdb: 216] [UniProtKB: P35462] | ||||||||
| ChEMBL | PDSP Secondary Binding target: DRD3 - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 8.11 | pKi | 7.74 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| D4 receptor/D(4) dopamine receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL219] [GtoPdb: 217] [UniProtKB: P21917] | ||||||||
| ChEMBL | PDSP Secondary Binding target: DRD4 - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 7.71 | pKi | 19.36 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| κ receptor/Kappa-type opioid receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL237] [GtoPdb: 318] [UniProtKB: P41145] | ||||||||
| ChEMBL | PDSP Secondary Binding target: OPRK1 - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 6.15 | pKi | 711.3 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| μ receptor/Mu-type opioid receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL233] [GtoPdb: 319] [UniProtKB: P35372] | ||||||||
| ChEMBL | PDSP Secondary Binding target: OPRM1 - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 7.89 | pKi | 12.81 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| Plasmodium falciparum (target type: ORGANISM) [ChEMBL: CHEMBL364] | ||||||||
| ChEMBL | Antiplasmodial activity against Plasmodium falciparum Dd2 after 72 hrs by SYBR green assay | F | 4.9 | pIC50 | 12589.25 | nM | IC50 | Nat Chem Biol (2009) 5: 765-771 [PMID:19734910] |
| ChEMBL | Antiplasmodial activity against Plasmodium falciparum D10 after 72 hrs by SYBR green assay | F | 5 | pIC50 | 10000 | nM | IC50 | Nat Chem Biol (2009) 5: 765-771 [PMID:19734910] |
| ChEMBL | Antiplasmodial activity against Plasmodium falciparum HB3 after 72 hrs by SYBR green assay | F | 5 | pIC50 | 10000 | nM | IC50 | Nat Chem Biol (2009) 5: 765-771 [PMID:19734910] |
| ChEMBL | Antiplasmodial activity against Plasmodium falciparum W2 after 72 hrs by SYBR green assay | F | 5 | pIC50 | 10000 | nM | IC50 | Nat Chem Biol (2009) 5: 765-771 [PMID:19734910] |
| σ2/Sigma intracellular receptor 2 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4105907] [GtoPdb: 2553] [UniProtKB: Q5BJF2] | ||||||||
| ChEMBL | PDSP Secondary Binding target: TMEM97 - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 6 | pKi | 1009.95 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| NET/Sodium-dependent noradrenaline transporter in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL222] [GtoPdb: 926] [UniProtKB: P23975] | ||||||||
| ChEMBL | PDSP Secondary Binding target: SLC6A2 - Compounds are tested at 10 uM concentration, plate are incubated at room temperature in the dark for 90 minutes. Reaction are stopped by vacuum filtration onto 0.3% polyethyleneimine soaked filter mats using Filtermate harvester. Scintillation cocktail is then melted onto microwave-dried filters on a hot plate and the radio activity is counted in Microbia counter. Compounds showing a minimum of 50% inhibition at 10 uM concentration are carried forward in this secondary binding assay to determine equilibrium binding affinity. | B | 5.58 | pKi | 2610.05 | nM | Ki | EUbOPEN Chemogenomics Library - PDSP Secondary Binding |
| 5-HT2B receptor in Human [GtoPdb: 7] [UniProtKB: P41595] | ||||||||
| GtoPdb | - | - | 6.8 | pKi | - | - | - | Naunyn Schmiedebergs Arch Pharmacol (1998) 357: 17-24 [PMID:9459568] |
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]