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Assay Detail

CHEMBL1912710

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Functional
Antagonist activity at H1R in guinea pig ileum assessed as inhibition of histamine-induced muscle contraction after 15 mins
15
Total Activities
15
Compounds Tested
2
Activity Types
0
Assay Parameters

Assay Information

Assay Type Functional
Organism Cavia porcellus
Tissue Ileum
Confidence 9 — Direct single protein target
Curated By Autocuration

Target

Histamine H1 receptor (CHEMBL3943)
Type SINGLE PROTEIN
Organism Cavia porcellus

Publication

Mepyramine-JNJ7777120-hybrid compounds show high affinity to hH(1)R, but low affinity to hH(4)R.
Wagner E, Wittmann HJ, Elz S, Strasser A.
Bioorg Med Chem Lett (2011) 21 : 6274 -6280
PubMed 21944853 · DOI

Activity Statistics

Type Count Avg pChEMBL Best pChEMBL
Kd 12 7.99 9.07
pA2 3 - -

Compounds Tested

Compound Name Phase Activities Best pChEMBL
CHEMBL511 PYRILAMINE 4.0 1 9.07
CHEMBL1910386 1 8.42
CHEMBL296419 ASTEMIZOLE 4.0 1 8.42
CHEMBL1910381 1 8.31
CHEMBL1910380 1 8.14
CHEMBL1910382 1 8.12
CHEMBL1910384 1 8.07
CHEMBL1910378 1 7.97
CHEMBL657 DIPHENHYDRAMINE 4.0 1 7.93
CHEMBL1910385 1 7.90
CHEMBL1910379 1 7.69
CHEMBL129198 JNJ-7777120 1 5.80
CHEMBL1910383 1 -
CHEMBL382276 1 -
CHEMBL129199 1 -

Activity Data

Compound Name Type Rel. Value Units pChEMBL
CHEMBL511 PYRILAMINE Kd = 0.8511 nM 9.07
CHEMBL1910386 Kd = 3.802 nM 8.42
CHEMBL296419 ASTEMIZOLE Kd = 3.802 nM 8.42
CHEMBL1910381 Kd = 4.898 nM 8.31
CHEMBL1910380 Kd = 7.244 nM 8.14
CHEMBL1910382 Kd = 7.586 nM 8.12
CHEMBL1910384 Kd = 8.511 nM 8.07
CHEMBL1910378 Kd = 10.72 nM 7.97
CHEMBL657 DIPHENHYDRAMINE Kd = 11.75 nM 7.93
CHEMBL1910385 Kd = 12.59 nM 7.90
CHEMBL1910379 Kd = 20.42 nM 7.69
CHEMBL129198 JNJ-7777120 Kd = 1584.89 nM 5.80
CHEMBL1910383 pA2 - -
CHEMBL382276 pA2 - -
CHEMBL129199 pA2 - -