Target Validation Information
TTD ID T41580
Target Name Adrenergic receptor alpha-2B (ADRA2B)
Type of Target
Successful
Drug Potency against Target Drug Info IC50 = 330 nM [20]
(+/-)-nantenine Drug Info Ki = 252 nM [12]
(1,2,3,4-Tetrahydro-isoquinolin-3-yl)-methanol Drug Info Ki = 6600 nM [1]
(2-Methyl-indol-1-yl)-propyl-pyridin-4-yl-amine Drug Info IC50 = 2300 nM [20]
(3-Ethyl-indol-1-yl)-propyl-pyridin-4-yl-amine Drug Info IC50 = 3600 nM [20]
(3-Methyl-indol-1-yl)-propyl-pyridin-4-yl-amine Drug Info IC50 = 2500 nM [20]
(R)-3-Methyl-1,2,3,4-tetrahydro-isoquinoline Drug Info Ki = 6200 nM [22]
(S)-3-Methyl-1,2,3,4-tetrahydro-isoquinoline Drug Info Ki = 520 nM [22]
1',2',3',6'-Tetrahydro-[2,4']bipyridinyl Drug Info Ki = 144 nM [15]
1,2,3,4,4a,5,10,10a-Octahydro-benzo[g]quinoline Drug Info IC50 = 130 nM [25]
1,2,3,4,5,6-Hexahydro-benzo[c]azocine Drug Info Ki = 16000 nM [22]
1,2,3,4-Tetrahydro-benzo[h]isoquinolin-8-ol Drug Info Ki = 78 nM [24]
1,2,3,4-Tetrahydro-isoquinolin-7-ol Drug Info Ki = 2200 nM [24]
1,2,3,4-Tetrahydro-pyrazino[1,2-a]indole Drug Info Ki = 516 nM [6]
1,2,3,4-tetrahydroisoquinoline Drug Info Ki = 350 nM [9]
1-(3-Fluoro-pyridin-2-yl)-4-methyl-piperazine Drug Info Ki = 5 nM [15]
1-(pyridin-2-yl)piperazine Drug Info Ki = 37 nM [15]
2,3,4,5-Tetrahydro-1H-benzo[c]azepine Drug Info Ki = 11000 nM [22]
2,3,4,5-Tetrahydro-1H-benzo[e][1,4]diazepine Drug Info Ki = 2600 nM [22]
2,3,4,5-Tetrahydro-benzo[f][1,4]oxazepine Drug Info Ki = 4100 nM [22]
2,3-Dihydro-1H-isoindole Drug Info Ki = 820 nM [22]
2-BFi Drug Info Ki = 1900 nM [4]
3-Fluoromethyl-1,2,3,4-tetrahydro-isoquinoline Drug Info Ki = 3800 nM [7]
3-Methoxymethyl-1,2,3,4-tetrahydro-isoquinoline Drug Info Ki = 2800 nM [1]
3-Methyl-1,2,3,4-tetrahydro-isoquinoline Drug Info Ki = 840 nM [22]
4-(1-Naphthalen-1-yl-ethyl)-1H-imidazole Drug Info Ki = 24 nM [19]
4-(4-Methyl-indan-1-yl)-1H-imidazole Drug Info Ki = 8.8 nM [23]
4-Benzo[b]thiophen-4-yl-1H-imidazole Drug Info Ki = 663 nM [3]
5-Aminomethyl-naphthalen-2-ol Drug Info Ki = 2100 nM [24]
6,7,8,9-Tetrahydro-5-thia-8-aza-benzocycloheptene Drug Info Ki = 4600 nM [22]
7-Methoxy-2,3,4,9-tetrahydro-1H-beta-carboline Drug Info Ki = 8840 nM [5]
8-Methoxy-1,2,3,4-tetrahydro-benzo[h]isoquinoline Drug Info Ki = 840 nM [24]
A-80426 Drug Info Ki = 11 nM [8]
Butyl-indol-1-yl-pyridin-4-yl-amine Drug Info IC50 = 630 nM [20]
C-(6-Methoxy-naphthalen-1-yl)-methylamine Drug Info Ki = 4600 nM [24]
C-Naphthalen-1-yl-methylamine Drug Info Ki = 1600 nM [24]
Ethyl-indol-1-yl-pyridin-4-yl-amine Drug Info IC50 = 110 nM [20]
GNF-PF-2857 Drug Info Ki = 3800 nM [10]
GNF-PF-3878 Drug Info Ki = 1200 nM [10]
Indol-1-yl-methyl-pyridin-4-yl-amine Drug Info IC50 = 24 nM [20]
Indol-1-yl-prop-2-ynyl-pyridin-4-yl-amine Drug Info IC50 = 500 nM [20]
Indol-1-yl-pyridin-4-yl-amine Drug Info IC50 = 8 nM [20]
INDORAMIN Drug Info Ki = 528 nM [17]
JP1302 Drug Info Ki = 1500 nM [10]
MAZAPERTINE Drug Info Ki = 17 nM [18]
MEDETOMIDINE Drug Info Ki = 19 nM [19]
METHYLNORADRENALINE Drug Info Ki = 7.7 nM [16]
MEZILAMINE Drug Info Ki = 12 nM [14]
MOXONIDINE Drug Info Ki = 1000 nM [21]
PIPEROXAN Drug Info Ki = 95 nM [16]
R-226161 Drug Info Ki = 8.4 nM [11]
S-34324 Drug Info Ki = 23 nM [8]
SK&F-104078 Drug Info Ki = 142 nM [17]
SK&F-64139 Drug Info Ki = 21 nM [9]
SNAP-5089 Drug Info Ki = 1088 nM [2]
SNAP-5150 Drug Info Ki = 420 nM [2]
TRACIZOLINE Drug Info Ki = 7413 nM [5]
Tramazoline Drug Info Ki = 4.2 nM [16]
TRYPTOLINE Drug Info Ki = 710 nM [5]
WB-4101 Drug Info Ki = 200 nM [16]
[3H]RX821002 Drug Info Ki = 0.36 nM [13]
Action against Disease Model AGN-199981 Drug Info The compound involved is believed to be AgN-199981, an a2b-adrenergic agonist that was a highly potent and selective analgesic in animal models of neuropathic pain.
References
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REF 2 Design and synthesis of novel dihydropyridine alpha-1a antagonists. Bioorg Med Chem Lett. 1999 Oct 4;9(19):2843-8.
REF 3 alpha(2) Adrenoceptor agonists as potential analgesic agents. 2. Discovery of 4-(4-Imidazo)-1,3-dimethyl-6,7-dihydrothianaphthene [corrected] as a ... J Med Chem. 2000 Mar 9;43(5):765-8.
REF 4 Probes for imidazoline binding sites: synthesis and evaluation of a selective, irreversible I2 ligand. Bioorg Med Chem Lett. 2000 Mar 20;10(6):605-7.
REF 5 Binding of an imidazopyridoindole at imidazoline I2 receptors. Bioorg Med Chem Lett. 2004 Jan 19;14(2):527-9.
REF 6 Pyrazino[1,2-a]indoles as novel high-affinity and selective imidazoline I(2) receptor ligands. Bioorg Med Chem Lett. 2004 Feb 23;14(4):1003-5.
REF 7 3-hydroxymethyl-7-(N-substituted aminosulfonyl)-1,2,3,4-tetrahydroisoquinoline inhibitors of phenylethanolamine N-methyltransferase that display re... J Med Chem. 2005 Jan 13;48(1):134-40.
REF 8 Discovery of a new series of centrally active tricyclic isoxazoles combining serotonin (5-HT) reuptake inhibition with alpha2-adrenoceptor blocking... J Med Chem. 2005 Mar 24;48(6):2054-71.
REF 9 Comparison of the binding of 3-fluoromethyl-7-sulfonyl-1,2,3,4-tetrahydroisoquinolines with their isosteric sulfonamides to the active site of phen... J Med Chem. 2006 Sep 7;49(18):5424-33.
REF 10 Structure-activity relationship of quinoline derivatives as potent and selective alpha(2C)-adrenoceptor antagonists. J Med Chem. 2006 Oct 19;49(21):6351-63.
REF 11 Tricyclic isoxazolines: identification of R226161 as a potential new antidepressant that combines potent serotonin reuptake inhibition and alpha2-a... Bioorg Med Chem. 2007 Jun 1;15(11):3649-60.
REF 12 Synthetic studies and pharmacological evaluations on the MDMA ('Ecstasy') antagonist nantenine. Bioorg Med Chem Lett. 2010 Jan 15;20(2):628-31.
REF 13 Alpha-adrenoreceptor reagents. 4. Resolution of some potent selective prejunctional alpha 2-adrenoreceptor antagonists. J Med Chem. 1986 Oct;29(10):2000-3.
REF 14 4-Amino-6-chloro-2-piperazinopyrimidines with selective affinity for alpha 2-adrenoceptors. J Med Chem. 1986 Aug;29(8):1394-8.
REF 15 Adrenoceptor and tetrabenazine antagonism activities of some pyridinyltetrahydropyridines. J Med Chem. 1984 Sep;27(9):1182-5.
REF 16 alpha 2 adrenoceptors: classification, localization, mechanisms, and targets for drugs. J Med Chem. 1982 Dec;25(12):1389-401.
REF 17 Alpha- and beta-adrenoceptors: from the gene to the clinic. 1. Molecular biology and adrenoceptor subclassification. J Med Chem. 1995 Sep 1;38(18):3415-44.
REF 18 A new arylpiperazine antipsychotic with high D2/D3/5-HT1A/alpha 1A-adrenergic affinity and a low potential for extrapyramidal effects. J Med Chem. 1994 Apr 15;37(8):1060-2.
REF 19 A structure-activity relationship study of benzylic modifications of 4-[1-(1-naphthyl)ethyl]-1H-imidazoles on alpha 1- and alpha 2-adrenergic recep... J Med Chem. 1994 Jul 22;37(15):2328-33.
REF 20 Synthesis and structure-activity relationships of N-propyl-N-(4-pyridinyl)-1H-indol-1-amine (besipirdine) and related analogs as potential therapeu... J Med Chem. 1996 Jan 19;39(2):570-81.
REF 21 Synthesis and pharmacologic evaluation of 2-endo-amino-3-exo-isopropylbicyclo[2.2.1]heptane: a potent imidazoline1 receptor specific agent. J Med Chem. 1996 Mar 15;39(6):1193-5.
REF 22 Effect of ring size or an additional heteroatom on the potency and selectivity of bicyclic benzylamine-type inhibitors of phenylethanolamine N-meth... J Med Chem. 1996 Aug 30;39(18):3539-46.
REF 23 Medetomidine analogs as alpha 2-adrenergic ligands. 3. Synthesis and biological evaluation of a new series of medetomidine analogs and their potent... J Med Chem. 1997 Sep 12;40(19):3014-24.
REF 24 Examination of the role of the acidic hydrogen in imparting selectivity of 7-(aminosulfonyl)-1,2,3,4-tetrahydroisoquinoline (SK&F 29661) toward inh... J Med Chem. 1997 Dec 5;40(25):3997-4005.
REF 25 N-(Iodopropenyl)-octahydrobenzo[f]- and -[g]quinolines: synthesis and adrenergic and dopaminergic activity studies. J Med Chem. 1998 Oct 8;41(21):4165-70.

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