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Assay Detail

CHEMBL5734652

Review assay metadata, readout intent, target linkage, and publication context from the same page.

Binding
Intracellular cAMP Accumulation Assay: HEK293 cells stably expressing human APJ receptor were used to assess the activity of compounds. Cultured cells were detached and resuspended in the cAMP Homogeneous Time-Resolved Fluorescence (HTRF) assay buffer (Cisbio cat; #62AM4PEJ). The assay was performed in 384-well assay plates (Perkin-Elmer; cat #6008289) according to assay protocol provided by the manufacturer. Serial dilutions of a compound together with assay buffer containing 0.2 nM IBMX and 2 μM forskolin were added to each well containing 5,000 cells and incubated for 30 minutes at room temperature. Subsequently, cAMP D2 reagent was added in the lysis buffer followed by the EuK antibody (Cisbio; cat #62AM4PEJ) and incubated for 60 min. The fluorescence emission ratio was measured using fluorometer. The intracellular cAMP concentrations (compound-stimulated inhibition of forskolin-mediated cAMP production) were calculated by extrapolation from a standard curve using known cAMP concentrations. The EC50 values were obtained by fitting the data to a sigmoidal concentration-response curve with variable slope. The maximal achievable inhibition of forskolin-induced cAMP levels (Ymax) for each compound was expressed as relative percentage of inhibition attained using pyroglutamated apelin-13 ((Pyrl)apelin-13) peptide, which was set to 100%.
1593
Total Activities
513
Compounds Tested
3
Activity Types
0
Assay Parameters

Assay Information

Assay Type Binding
Organism Homo sapiens
Confidence 9 — Direct single protein target
Curated By Autocuration

Target

Apelin receptor (CHEMBL1628481)
Type SINGLE PROTEIN
Organism Homo sapiens

Publication

6-hydroxy-5-(phenyl/heteroarylsulfonyl)pyrimidin-4(1H)-one as APJ agonists
(2019)

Activity Statistics

Type Count Avg pChEMBL Best pChEMBL
EC50 531 8.18 8.30
kon 531 - -
k_off 531 - -

Compounds Tested

Compound Name Phase Activities Best pChEMBL
CHEMBL5948209 3 8.30
CHEMBL5948568 3 8.30
CHEMBL5919446 3 8.30
CHEMBL5890083 3 8.30
CHEMBL5768207 3 8.30
CHEMBL5988374 3 8.30
CHEMBL4878056 3 8.30
CHEMBL5994351 3 8.30
CHEMBL4851100 3 8.30
CHEMBL6009819 3 8.30
CHEMBL5972562 3 8.30
CHEMBL5790057 3 8.30
CHEMBL5908769 3 8.30
CHEMBL5748736 3 8.30
CHEMBL6063247 3 8.30
CHEMBL4877813 3 8.30
CHEMBL5991898 3 8.30
CHEMBL5828396 3 8.30
CHEMBL6042643 3 8.30
CHEMBL4855004 3 8.30
CHEMBL5751784 3 8.30
CHEMBL4855918 3 8.30
CHEMBL5805771 3 8.30
CHEMBL5984642 3 8.30
CHEMBL5879354 3 8.30
CHEMBL5841145 3 8.30
CHEMBL5853659 3 8.30
CHEMBL5787594 3 8.30
CHEMBL5825512 3 8.30
CHEMBL5782688 3 8.30

Activity Data

Compound Name Type Rel. Value Units pChEMBL
CHEMBL5754140 EC50 = 5.0 nM 8.30
CHEMBL5846479 EC50 = 5.0 nM 8.30
CHEMBL5949606 EC50 = 5.0 nM 8.30
CHEMBL5756137 EC50 = 5.0 nM 8.30
CHEMBL5851741 EC50 = 5.0 nM 8.30
CHEMBL5925054 EC50 = 5.0 nM 8.30
CHEMBL5907526 EC50 = 5.0 nM 8.30
CHEMBL4859490 EC50 = 5.0 nM 8.30
CHEMBL5915783 EC50 = 5.0 nM 8.30
CHEMBL6049438 EC50 = 5.0 nM 8.30
CHEMBL5857942 EC50 = 5.0 nM 8.30
CHEMBL5918794 EC50 = 5.0 nM 8.30
CHEMBL5952409 EC50 = 5.0 nM 8.30
CHEMBL5950529 EC50 = 5.0 nM 8.30
CHEMBL5815819 EC50 = 5.0 nM 8.30
CHEMBL5918180 EC50 = 5.0 nM 8.30
CHEMBL5970034 EC50 = 5.0 nM 8.30
CHEMBL5943610 EC50 = 5.0 nM 8.30
CHEMBL6025439 EC50 = 5.0 nM 8.30
CHEMBL5801610 EC50 = 5.0 nM 8.30
CHEMBL5962039 EC50 = 5.0 nM 8.30
CHEMBL5771813 EC50 = 5.0 nM 8.30
CHEMBL5820425 EC50 = 5.0 nM 8.30
CHEMBL6026448 EC50 = 5.0 nM 8.30
CHEMBL5881556 EC50 = 5.0 nM 8.30
CHEMBL5814817 EC50 = 5.0 nM 8.30
CHEMBL5994240 EC50 = 5.0 nM 8.30
CHEMBL5868759 EC50 = 5.0 nM 8.30
CHEMBL5983445 EC50 = 5.0 nM 8.30
CHEMBL5896768 EC50 = 5.0 nM 8.30
CHEMBL5759263 EC50 = 5.0 nM 8.30
CHEMBL5991207 EC50 = 5.0 nM 8.30
CHEMBL5882265 EC50 = 5.0 nM 8.30
CHEMBL5840275 EC50 = 5.0 nM 8.30
CHEMBL6043287 EC50 = 5.0 nM 8.30
CHEMBL5907118 EC50 = 5.0 nM 8.30
CHEMBL5764966 EC50 = 5.0 nM 8.30
CHEMBL5953208 EC50 = 5.0 nM 8.30
CHEMBL5908552 EC50 = 5.0 nM 8.30
CHEMBL5999820 EC50 = 5.0 nM 8.30
CHEMBL5746943 EC50 = 5.0 nM 8.30
CHEMBL5850784 EC50 = 5.0 nM 8.30
CHEMBL5848315 EC50 = 5.0 nM 8.30
CHEMBL6038015 EC50 = 5.0 nM 8.30
CHEMBL5907449 EC50 = 5.0 nM 8.30
CHEMBL5954384 EC50 = 5.0 nM 8.30
CHEMBL6002077 EC50 = 5.0 nM 8.30
CHEMBL5850548 EC50 = 5.0 nM 8.30
CHEMBL5999807 EC50 = 5.0 nM 8.30
CHEMBL6054014 EC50 = 5.0 nM 8.30