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TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50299207(CHEMBL1558 | [4-(4-Amino-6,7-dimethoxy-quinazolin-...)
Affinity DataKi:  0.0270nMMore data for this Ligand-Target Pair
In Depth
Date in BDB:
10/12/2025
Entry Details
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM69602(WB-4101 hydrochloride | N-(2,3-dihydro-1,4-benzodi...)
Affinity DataKi:  0.0380nMAssay Description:Displacement of [3H]prazosin from human recombinant adrenergic alpha-1B receptor expressed in CHO cell membranes incubated for 60 minsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
2/23/2021
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM29568([3H]-Minipress | [3H]-Furazosin | PRAZOSIN HYDROCH...)
Affinity DataKi:  0.0600nMMore data for this Ligand-Target Pair
In Depth
Date in BDB:
4/17/2012
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50274049(CHEMBL342062)
Affinity DataKi:  0.0708nMAssay Description:Displacement of [3H]prazosin from human alpha1B adrenergic receptor expressed in CHO cell membranes after 30 mins by rapid filtration methodMore data for this Ligand-Target Pair
In Depth
Date in BDB:
5/10/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50649142(CHEMBL5618291)
Affinity DataKi:  0.0860nMMore data for this Ligand-Target Pair
Ligand InfoPC cidPC sid
In Depth
Date in BDB:
10/12/2025
Entry Details
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50091350(CHEMBL3582270)
Affinity DataKi:  0.100nMAssay Description:Displacement of [3H]-Prazosin from human alpha-1B adrenergic receptor transfected in CHO cell membranes after 2 hrs by microplate scintillation count...More data for this Ligand-Target Pair
In Depth
Date in BDB:
10/11/2016
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50033109(CHEMBL324090 | 2-(6,7-Dimethoxy-3,4-dihydro-1H-iso...)
Affinity DataKi:  0.110nMAssay Description:Binding affinity against Alpha-1B adrenergic receptor from hamster clones.More data for this Ligand-Target Pair
In Depth
Date in BDB:
11/10/2009
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50033109(CHEMBL324090 | 2-(6,7-Dimethoxy-3,4-dihydro-1H-iso...)
Affinity DataKi:  0.110nMAssay Description:Binding affinity against Alpha-1B adrenergic receptor from hamster clones.More data for this Ligand-Target Pair
In Depth
Date in BDB:
11/10/2009
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50274053(CHEMBL4126860)
Affinity DataKi:  0.129nMAssay Description:Displacement of [3H]prazosin from human alpha1B adrenergic receptor expressed in CHO cell membranes after 30 mins by rapid filtration methodMore data for this Ligand-Target Pair
In Depth
Date in BDB:
5/10/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50060964(5-[(2R)-2-{[2-(2-ethoxyphenoxy)ethyl]amino}propyl]...)
Affinity DataEC50:  0.130nMAssay Description:Intrinsic activity at human alpha1B adrenergic receptor expressed in CHOK1 cells co-expressing aequorin assessed as inhibition of agonist induced cal...More data for this Ligand-Target Pair
In Depth
Date in BDB:
7/19/2018
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50274049(CHEMBL342062)
Affinity DataKi:  0.135nMAssay Description:Compound was tested for binding affinity against human hippocampus Alpha-1B adrenergic receptor using radioligand ([3H]-prazosin) binding assayMore data for this Ligand-Target Pair
In Depth
Date in BDB:
8/21/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50487287((+)-CYCLAZOSIN)
Affinity DataKi:  0.135nMAssay Description:Displacement of [3H]prazosin from Homo sapiens (human) alpha1B adrenergic receptorMore data for this Ligand-Target Pair
In Depth
Date in BDB:
8/30/2020
Entry Details Article

TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50403649(CYCLAZOSIN)
Affinity DataKi:  0.135nMAssay Description:Displacement of [3H]prazosin from human alpha1B adrenergic receptor expressed in CHO cell membranes after 30 mins by rapid filtration methodMore data for this Ligand-Target Pair
In Depth
Date in BDB:
5/10/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50649142(CHEMBL5618291)
Affinity DataIC50: 0.150nMMore data for this Ligand-Target Pair
Ligand InfoPC cidPC sid
In Depth
Date in BDB:
10/12/2025
Entry Details
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50274057(CHEMBL4129291)
Affinity DataKi:  0.151nMAssay Description:Displacement of [3H]prazosin from human alpha1B adrenergic receptor expressed in CHO cell membranes after 30 mins by rapid filtration methodMore data for this Ligand-Target Pair
In Depth
Date in BDB:
5/10/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50475534(CHEMBL198860)
Affinity DataKi:  0.158nMAssay Description:Displacement of [3H]prazosin from cloned human ADRA1B expressed in CHO cellsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
8/23/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50274054(CHEMBL4128084)
Affinity DataKi:  0.191nMAssay Description:Displacement of [3H]prazosin from human alpha1B adrenergic receptor expressed in CHO cell membranes after 30 mins by rapid filtration methodMore data for this Ligand-Target Pair
In Depth
Date in BDB:
5/10/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM29568([3H]-Minipress | [3H]-Furazosin | PRAZOSIN HYDROCH...)
Affinity DataKi:  0.210nMAssay Description:Compound was tested for binding affinity utilizing cloned receptor binding assays by using [125 I]HEAT as radioligand to the human Alpha-1B adrenergi...More data for this Ligand-Target Pair
In Depth
Date in BDB:
11/10/2009
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM29568([3H]-Minipress | [3H]-Furazosin | PRAZOSIN HYDROCH...)
Affinity DataKi:  0.210nMAssay Description:Ability to displace [3H]prazosin from cloned human Alpha-1B adrenergic receptorMore data for this Ligand-Target Pair
In Depth
Date in BDB:
10/29/2012
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50475533(CHEMBL199080)
Affinity DataKi:  0.251nMAssay Description:Displacement of [3H]prazosin from cloned human ADRA1B expressed in CHO cellsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
8/23/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50475538(CHEMBL200366)
Affinity DataKi:  0.251nMAssay Description:Displacement of [3H]prazosin from cloned human ADRA1B expressed in CHO cellsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
8/23/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM29568([3H]-Minipress | [3H]-Furazosin | PRAZOSIN HYDROCH...)
Affinity DataKi:  0.280nMAssay Description:The compound was tested for binding affinity on [3H]- prazosin as specific ligand on Human cloned alpha-1B adrenergic receptor in CHO cellsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
11/10/2009
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50282204(CHEMBL4161165)
Affinity DataKi:  0.282nMAssay Description:Displacement of [3H]prazosin from human alpha1B adrenoceptor expressed in CHO cell membranes after 30 minsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
6/30/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50274052(CHEMBL4127483)
Affinity DataKi:  0.302nMAssay Description:Displacement of [3H]prazosin from human alpha1B adrenergic receptor expressed in CHO cell membranes after 30 mins by rapid filtration methodMore data for this Ligand-Target Pair
In Depth
Date in BDB:
5/10/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50487286(CHEMBL2261605)
Affinity DataKi:  0.309nMAssay Description:Displacement of [3H]prazosin from Homo sapiens (human) alpha1B adrenergic receptorMore data for this Ligand-Target Pair
In Depth
Date in BDB:
8/30/2020
Entry Details Article

TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50403649(CYCLAZOSIN)
Affinity DataKi:  0.309nMAssay Description:Compound was tested for binding affinity against cloned Alpha-1B adrenergic receptor from hamster smooth muscle using radioligand ([3H]prazosin) bind...More data for this Ligand-Target Pair
In Depth
Date in BDB:
8/21/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM29568([3H]-Minipress | [3H]-Furazosin | PRAZOSIN HYDROCH...)
Affinity DataKi:  0.320nMAssay Description:Binding affinity against Alpha-1B adrenergic receptor from hamster clones.More data for this Ligand-Target Pair
In Depth
Date in BDB:
11/10/2009
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM29568([3H]-Minipress | [3H]-Furazosin | PRAZOSIN HYDROCH...)
Affinity DataKi:  0.320nMAssay Description:Binding affinity against Alpha-1B adrenergic receptor from human cloneMore data for this Ligand-Target Pair
In Depth
Date in BDB:
11/10/2009
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50403649(CYCLAZOSIN)
Affinity DataKi:  0.324nMAssay Description:Displacement of [3H]prazosin from human Alpha-1B adrenoceptor expressed in CHO cellsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
5/21/2013
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50100216(3-[2-(6-Methoxy-1,3,3a,4,5,9b-hexahydro-benzo[e]is...)
Affinity DataKi:  0.330nMAssay Description:Binding affinity to hamster alpha-1B adrenergic receptorMore data for this Ligand-Target Pair
In Depth
Date in BDB:
11/10/2009
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50274050(CHEMBL4125981)
Affinity DataKi:  0.380nMAssay Description:Displacement of [3H]prazosin from human alpha1B adrenergic receptor expressed in CHO cell membranes after 30 mins by rapid filtration methodMore data for this Ligand-Target Pair
In Depth
Date in BDB:
5/10/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50219153(CHEMBL414185)
Affinity DataEC50:  0.398nMAssay Description:Potency against cloned human alpha 1B adrenoceptor expressed in rat-1 fibroblasts.More data for this Ligand-Target Pair
In Depth
Date in BDB:
9/22/2013
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50475537(CHEMBL196817)
Affinity DataKi:  0.398nMAssay Description:Displacement of [3H]prazosin from cloned human ADRA1B expressed in CHO cellsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
8/23/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50475530(CHEMBL200580)
Affinity DataKi:  0.398nMAssay Description:Displacement of [3H]prazosin from cloned human ADRA1B expressed in CHO cellsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
8/23/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50219153(CHEMBL414185)
Affinity DataEC50:  0.398nMAssay Description:In vitro activation of human Alpha-1B receptor expressed in rat-1 fibroblasts via calcium mobilization through the Gq coupled PLC pathway as function...More data for this Ligand-Target Pair
In Depth
Date in BDB:
9/22/2013
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50219153(CHEMBL414185)
Affinity DataEC50:  0.398nMAssay Description:Effective concentration showing agonistic activity towards Human alpha-1B adrenergic receptor, expressed in rat 1 fibroblast cells was determinedMore data for this Ligand-Target Pair
In Depth
Date in BDB:
9/22/2013
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM29568([3H]-Minipress | [3H]-Furazosin | PRAZOSIN HYDROCH...)
Affinity DataKi:  0.407nMAssay Description:Binding affinity measured in CHO cells expressing human cloned Alpha-1B adrenergic receptor expressed as pKiMore data for this Ligand-Target Pair
In Depth
Date in BDB:
8/22/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM29568([3H]-Minipress | [3H]-Furazosin | PRAZOSIN HYDROCH...)
Affinity DataKi:  0.407nMAssay Description:Displacement of [3H]prazosin from human alpha1B adrenoceptor expressed in CHO cell membranes after 30 minsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
6/30/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50473677(CHEMBL72441)
Affinity DataEC50:  0.417nMAssay Description:Agonist potency at Alpha-1B adrenergic receptor expressed in rat-1 fibroblastsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
8/22/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50414396(CHEMBL564481)
Affinity DataKi:  0.417nMAssay Description:Displacement of [3H]prazosin from human Alpha-1B adrenoceptor expressed in CHO cellsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
5/21/2013
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM29568([3H]-Minipress | [3H]-Furazosin | PRAZOSIN HYDROCH...)
Affinity DataKi:  0.420nMAssay Description:Binding affinity towards human cloned alpha-1B-adrenoceptor using [3H]prazosin as radioligandMore data for this Ligand-Target Pair
In Depth
Date in BDB:
11/10/2009
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50057463(1-[4-(4-Amino-6,7-dimethoxy-quinazolin-2-yl)-piper...)
Affinity DataKi:  0.450nMAssay Description:The binding affinity towards Alpha-1B adrenergic receptor in the COS cell line.More data for this Ligand-Target Pair
In Depth
Date in BDB:
11/10/2009
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM29568([3H]-Minipress | [3H]-Furazosin | PRAZOSIN HYDROCH...)
Affinity DataKi:  0.457nMAssay Description:Compound was tested for binding affinity against cloned Alpha-1B adrenergic receptor from hamster smooth muscle using radioligand ([3H]prazosin) bind...More data for this Ligand-Target Pair
In Depth
Date in BDB:
8/21/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50073570(2-(4-Furan-2-yl-piperazin-1-yl)-6,7-dimethoxy-quin...)
Affinity DataKi:  0.460nMAssay Description:The binding affinity towards Alpha-1B adrenergic receptor in the COS cell line.More data for this Ligand-Target Pair
In Depth
Date in BDB:
11/10/2009
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50033111(6,7-dimethoxy-2-[4-(tetrahydrofuran-2-ylcarbonyl)p...)
Affinity DataEC50:  0.5nMAssay Description:Antagonist activity at alpha-1B adrenergic receptor (unknown origin) incubated for 30 mins prior to agonist addition measured after 5 hrs by CCF4-AM ...More data for this Ligand-Target Pair
In Depth
Date in BDB:
4/11/2016
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50416854(CHEMBL1254582)
Affinity DataKi:  0.501nMAssay Description:Displacement of [3H]prazosin from human adrenergic Alpha-1B expressed in CHO cellsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
5/22/2013
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50473665(CHEMBL70751)
Affinity DataEC50:  0.501nMAssay Description:Agonist potency at Alpha-1B adrenergic receptor expressed in rat-1 fibroblastsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
8/22/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50282202(CHEMBL4163587)
Affinity DataKi:  0.525nMAssay Description:Displacement of [3H]prazosin from human alpha1B adrenoceptor expressed in CHO cell membranes after 30 minsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
6/30/2020
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50416853(CHEMBL43116)
Affinity DataKi:  0.537nMAssay Description:Displacement of [3H]prazosin from human adrenergic Alpha-1B expressed in CHO cellsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
5/22/2013
Entry Details Article
PubMed
TargetAlpha-1B adrenergic receptor(Human)
Virginia Commonwealth University

Curated by ChEMBL
LigandPNGBDBM50416853(CHEMBL43116)
Affinity DataKi:  0.537nMAssay Description:Displacement of [3H]prazosin from cloned human ADRA1B expressed in CHO cellsMore data for this Ligand-Target Pair
In Depth
Date in BDB:
8/23/2020
Entry Details Article
PubMed
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