PB-28 [Ligand Id: 6681] activity data from GtoPdb and ChEMBL

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ChEMBL ligand: CHEMBL53325 (PB-28)
  • 3-beta-hydroxysteroid-delta(8),delta(7)-isomerase in Guinea pig [ChEMBL: CHEMBL5525] [UniProtKB: Q60490]
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  • α2A-adrenoceptor/Alpha-2a adrenergic receptor in Human [ChEMBL: CHEMBL1867] [GtoPdb: 25] [UniProtKB: P08913]
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  • α2B-adrenoceptor/Alpha-2b adrenergic receptor in Human [ChEMBL: CHEMBL1942] [GtoPdb: 26] [UniProtKB: P18089]
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  • α2C-adrenoceptor/Alpha-2c adrenergic receptor in Human [ChEMBL: CHEMBL1916] [GtoPdb: 27] [UniProtKB: P18825]
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  • D2 receptor/Dopamine D2 receptor in Rat [ChEMBL: CHEMBL339] [GtoPdb: 215] [UniProtKB: P61169]
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  • GluN2C/Glutamate [NMDA] receptor subunit epsilon 3 in Rat [ChEMBL: CHEMBL401] [GtoPdb: 458] [UniProtKB: Q00961]
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  • M1 receptor/Muscarinic acetylcholine receptor M1 in Human [ChEMBL: CHEMBL216] [GtoPdb: 13] [UniProtKB: P11229]
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  • M2 receptor/Muscarinic acetylcholine receptor M2 in Human [ChEMBL: CHEMBL211] [GtoPdb: 14] [UniProtKB: P08172]
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  • M3 receptor/Muscarinic acetylcholine receptor M3 in Human [ChEMBL: CHEMBL245] [GtoPdb: 15] [UniProtKB: P20309]
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  • M4 receptor/Muscarinic acetylcholine receptor M4 in Human [ChEMBL: CHEMBL1821] [GtoPdb: 16] [UniProtKB: P08173]
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  • M5 receptor/Muscarinic acetylcholine receptor M5 in Human [ChEMBL: CHEMBL2035] [GtoPdb: 17] [UniProtKB: P08912]
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  • 5-HT1A receptor/Serotonin 1a (5-HT1a) receptor in Rat [ChEMBL: CHEMBL273] [GtoPdb: 1] [UniProtKB: P19327]
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  • sigma non-opioid intracellular receptor 1/Sigma opioid receptor in Human [ChEMBL: CHEMBL287] [GtoPdb: 2552] [UniProtKB: Q99720]
  • sigma non-opioid intracellular receptor 1/Sigma opioid receptor in Rat [ChEMBL: CHEMBL3602] [GtoPdb: 2552] [UniProtKB: Q9R0C9]
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DB Assay description Assay Type Standard value Standard parameter Original value Original units Original parameter Reference
3-beta-hydroxysteroid-delta(8),delta(7)-isomerase in Guinea pig (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5525] [UniProtKB: Q60490]
ChEMBL Displacement of [3H](-)-(S)-emopamil from EBP in guinea pig liver membrane B 8.08 pKi 8.38 nM Ki J Med Chem (2008) 51: 7523-7531 [PMID:19053780]
ChEMBL Displacement of [3H](+/-)-emopamil from EBP in Dunkin guinea pig liver membrane by radioreceptor binding assay B 8.08 pKi 8.38 nM Ki J Med Chem (2009) 52: 7817-7828 [PMID:19842660]
α2A-adrenoceptor/Alpha-2a adrenergic receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1867] [GtoPdb: 25] [UniProtKB: P08913]
ChEMBL Activity of compound against Alpha-2A (ADRA2A) adrenergic receptor by displacement of [3H]-rauwolscine B 5.82 pKi 1513.56 nM Ki A SARS-CoV-2 protein interaction map reveals targets for drug repurposing
α2B-adrenoceptor/Alpha-2b adrenergic receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1942] [GtoPdb: 26] [UniProtKB: P18089]
ChEMBL Activity of compound against Alpha 2B (ADRA2B) adrenergic receptor by displacement of [3H]-rauwolscine B 5.03 pKi 9332.54 nM Ki A SARS-CoV-2 protein interaction map reveals targets for drug repurposing
α2C-adrenoceptor/Alpha-2c adrenergic receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1916] [GtoPdb: 27] [UniProtKB: P18825]
ChEMBL Activity of compound against Alpha 2C (ADRA2C) adrenergic receptor by displacement of [3H]-rauwolscine B 6.32 pKi 478.63 nM Ki A SARS-CoV-2 protein interaction map reveals targets for drug repurposing
D2 receptor/Dopamine D2 receptor in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL339] [GtoPdb: 215] [UniProtKB: P61169]
ChEMBL In vitro binding affinity at Dopamine receptor D2 in rat striatum by [3H]spiroperidol displacement. B 6.22 pKi 604 nM Ki J Med Chem (2004) 47: 2308-2317 [PMID:15084129]
GluN2C/Glutamate [NMDA] receptor subunit epsilon 3 in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL401] [GtoPdb: 458] [UniProtKB: Q00961]
ChEMBL Inhibitory activity against sigma receptor isolated from guinea pig brain cortex membrane using PCP as radioligand at a concentration of 10e-5 M B 4.03 pKi >92600 nM Ki J Med Chem (1996) 39: 176-182 [PMID:8568804]
M1 receptor/Muscarinic acetylcholine receptor M1 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL216] [GtoPdb: 13] [UniProtKB: P11229]
ChEMBL Activity of compound against Muscarinic acetylcholine receptor M1 (CHRM1) by displacement of 3H-QNB B 4.63 pKi 23442.29 nM Ki A SARS-CoV-2 protein interaction map reveals targets for drug repurposing
M2 receptor/Muscarinic acetylcholine receptor M2 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL211] [GtoPdb: 14] [UniProtKB: P08172]
ChEMBL Activity of compound against Muscarinic acetylcholine receptor M2 (CHRM2) by displacement of 3H-QNB B 5.32 pKi 4786.3 nM Ki A SARS-CoV-2 protein interaction map reveals targets for drug repurposing
M3 receptor/Muscarinic acetylcholine receptor M3 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL245] [GtoPdb: 15] [UniProtKB: P20309]
ChEMBL Activity of compound against Muscarinic acetylcholine receptor M3 (CHRM3) by displacement of 3H-QNB B 4.71 pKi 19498.45 nM Ki A SARS-CoV-2 protein interaction map reveals targets for drug repurposing
M4 receptor/Muscarinic acetylcholine receptor M4 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1821] [GtoPdb: 16] [UniProtKB: P08173]
ChEMBL Activity of compound against Muscarinic acetylcholine receptor M4 (CHRM4) by displacement of 3H-QNB B 5.4 pKi 3981.07 nM Ki A SARS-CoV-2 protein interaction map reveals targets for drug repurposing
M5 receptor/Muscarinic acetylcholine receptor M5 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL2035] [GtoPdb: 17] [UniProtKB: P08912]
ChEMBL Activity of compound against Muscarinic acetylcholine receptor M5 (CHRM5) by displacement of 3H-QNB B 5.45 pKi 3548.13 nM Ki A SARS-CoV-2 protein interaction map reveals targets for drug repurposing
ABCB1/P-glycoprotein 1 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4302] [GtoPdb: 768] [UniProtKB: P08183]
ChEMBL Inhibition of human Pgp mediated [3H]vinblastine transport in human Caco-2 cells B 6.26 pEC50 550 nM EC50 Bioorg Med Chem (2008) 16: 362-373 [PMID:17936633]
5-HT1A receptor/Serotonin 1a (5-HT1a) receptor in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL273] [GtoPdb: 1] [UniProtKB: P19327]
ChEMBL Displacement of [3H]5-HT from rat hippocampal 5-hydroxytryptamine 1A receptor with 10e-6 M ketanserin B 7.54 pKi 28.6 nM Ki J Med Chem (1996) 39: 176-182 [PMID:8568804]
5-HT3A/5-HT3B/Serotonin 3 (5-HT3) receptor in Rat (target type: PROTEIN COMPLEX) [ChEMBL: CHEMBL2094116] [GtoPdb: 373374] [UniProtKB: P35563Q9JJ16]
ChEMBL In vitro binding affinity at serotonin 5-hydroxytryptamine 3 receptor in rat cortex by [3H]granisetron displacement. B 6.15 pKi >700 nM Ki J Med Chem (2004) 47: 2308-2317 [PMID:15084129]
Sigma-1 receptor in Guinea pig (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4153] [UniProtKB: Q60492]
ChEMBL Displacement of [3H]-pentazocine from sigma1 receptor in guinea pig brain membranes B 7.87 pKi 13.6 nM Ki Bioorg Med Chem (2017) 25: 4778-4799 [PMID:28764962]
ChEMBL Displacement of [3H](+)-pentazocine from sigma 1 receptor in guinea pig brain membrane without cerebellum B 7.87 pKi 13.6 nM Ki J Med Chem (2008) 51: 7523-7531 [PMID:19053780]
ChEMBL Displacement of [3H]-(+)-pentazocine from sigma 1 receptor in Dunkin guinea pig brain membrane without cerebellum B 9.42 pKi 0.38 nM Ki J Med Chem (2011) 54: 1022-1032 [PMID:21229979]
ChEMBL Displacement of [3H]-pentazocine from sigma 1 receptor from guinea pig brain membrane B 9.42 pKi 0.38 nM Ki J Med Chem (2011) 54: 5858-5867 [PMID:21744858]
ChEMBL Displacement of [3H]-pentazocine from sigma 1 receptor in guinea pig brain after 30 mins by radioligand binding assay B 9.42 pKi 0.38 nM Ki Eur J Med Chem (2011) 46: 4733-4741 [PMID:21684636]
ChEMBL Displacement of [3H]-(+)-pentazocine from sigma1 receptor in guinea pig brain cortex membranes incubated for 120 mins by scintillation counting method B 9.42 pKi 0.38 nM Ki J Med Chem (2018) 61: 9666-9690 [PMID:30350997]
ChEMBL Displacement of [3H](+)-pentazocine from sigma1 receptor in quinea pig brain membranes B 9.42 pKi 0.38 nM Ki J Med Chem (2018) 61: 9666-9690 [PMID:30350997]
ChEMBL Displacement of [3H](+)-pentazocine from sigma 1 receptor in guinea pig brain B 9.42 pKi 0.38 nM Ki J Med Chem (2009) 52: 7817-7828 [PMID:19842660]
σ2/Sigma intracellular receptor 2 in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4105907] [GtoPdb: 2553] [UniProtKB: Q5BJF2]
GtoPdb - - 8.3 pKi - - - J Med Chem (1996) 39: 176-82 [PMID:8568804]
ChEMBL Displacement of [3H]-DTG from the Sigma2 receptor B 8.6 pKi 2.51 nM Ki A SARS-CoV-2 protein interaction map reveals targets for drug repurposing
ChEMBL Binding affinity to sigma-2 receptor (unknown origin) B 9.47 pKi 0.34 nM Ki Eur J Med Chem (2018) 147: 227-237 [PMID:29438891]
σ2/Sigma intracellular receptor 2 in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4105864] [GtoPdb: 2553] [UniProtKB: Q5U3Y7]
ChEMBL Displacement of [3H]-di-o-tolylguanidine from sigma2 receptor in rat liver membranes incubated for 120 mins by scintillation counting method B 9.17 pKi 0.68 nM Ki J Med Chem (2018) 61: 9666-9690 [PMID:30350997]
ChEMBL Displacement of [3H]-DTG from sigma2 receptor in rat liver membranes B 9.17 pKi 0.68 nM Ki J Med Chem (2018) 61: 9666-9690 [PMID:30350997]
ChEMBL Displacement of [3H]-DTG from sigma2 receptor in rat liver membranes in presence of (+)-pentazocine B 9.47 pKi 0.34 nM Ki Bioorg Med Chem (2017) 25: 4778-4799 [PMID:28764962]
sigma non-opioid intracellular receptor 1/Sigma opioid receptor in Human (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL287] [GtoPdb: 2552] [UniProtKB: Q99720]
ChEMBL In vitro binding affinity at opioid sigma-1 receptor in guinea pig brain membranes by (+)-[3H]pentazocine displacement. B 7.87 pKi 13.6 nM Ki J Med Chem (2004) 47: 2308-2317 [PMID:15084129]
ChEMBL Binding affinity to sigma-1 receptor (unknown origin) B 7.87 pKi 13.6 nM Ki Eur J Med Chem (2018) 147: 227-237 [PMID:29438891]
ChEMBL Binding affinity to sigma-1 receptor in human MCF7 cells B 7.89 pKi 13 nM Ki Bioorg Med Chem (2014) 22: 221-233 [PMID:24331758]
ChEMBL Displacement of (+)-[3H]pentazocine from sigma-1 receptor in human MCF7 cell membranes after 120 mins B 7.89 pKi 13 nM Ki J Med Chem (2014) 57: 4239-4251 [PMID:24821398]
ChEMBL Inhibition of [3H]DTG binding to sigma receptor from guinea pig brain cortex membrane B 8.28 pKi 5.3 nM Ki J Med Chem (1996) 39: 176-182 [PMID:8568804]
ChEMBL Displacement of [3H]-pentazocin from the Sigma1 receptor B 8.7 pKi 2 nM Ki A SARS-CoV-2 protein interaction map reveals targets for drug repurposing
sigma non-opioid intracellular receptor 1/Sigma opioid receptor in Rat (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3602] [GtoPdb: 2552] [UniProtKB: Q9R0C9]
ChEMBL Inhibitory activity against Sigma opioid receptor type 1 isolated from whole rat membranes using [3H](+)-pentazocine as radioligand. B 7.15 pKi 71 nM Ki J Med Chem (1996) 39: 176-182 [PMID:8568804]
ChEMBL Displacement of [3H](+)-pentazocine from opioid sigma1 receptor in rat brain homogenate B 8.83 pKi 1.48 nM Ki J Med Chem (2008) 51: 1482-1486 [PMID:18278854]

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]