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Assay Detail

CHEMBL821422

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Binding
Inhibit supercoil relaxation property of topoisomerase I.
15
Total Activities
15
Compounds Tested
1
Activity Types
0
Assay Parameters

Assay Information

Assay Type Binding
Confidence 8 — Homologous single protein target
Curated By Expert

Target

DNA topoisomerase 1 (CHEMBL1781)
Type SINGLE PROTEIN
Organism Homo sapiens

Publication

Camptothecin and minor-groove binder hybrid molecules: synthesis, inhibition of topoisomerase I, and anticancer cytotoxicity in vitro.
Zhao R, al-Said NH, Sternbach DL, Lown JW.
J Med Chem (1997) 40 : 216 -225
PubMed 9003520 · DOI

Activity Statistics

Type Count Avg pChEMBL Best pChEMBL
IC50 15 5.39 6.16

Compounds Tested

Compound Name Phase Activities Best pChEMBL
CHEMBL65 CAMPTOTHECIN -1.0 1 6.16
CHEMBL72627 1 5.95
CHEMBL266468 1 5.71
CHEMBL311855 1 5.62
CHEMBL312306 1 5.62
CHEMBL72828 1 5.58
CHEMBL11252 STALLIMYCIN 2.0 1 5.57
CHEMBL73002 1 5.41
CHEMBL72353 1 5.37
CHEMBL312690 1 5.34
CHEMBL74459 1 5.32
CHEMBL64874 1 5.32
CHEMBL386919 1 4.92
CHEMBL74406 1 4.78
CHEMBL307767 NETROPSIN 1 4.21

Activity Data

Compound Name Type Rel. Value Units pChEMBL
CHEMBL65 CAMPTOTHECIN IC50 = 700.0 nM 6.16
CHEMBL72627 IC50 = 1118.0 nM 5.95
CHEMBL266468 IC50 = 1973.0 nM 5.71
CHEMBL311855 IC50 = 2417.0 nM 5.62
CHEMBL312306 IC50 = 2382.0 nM 5.62
CHEMBL72828 IC50 = 2602.0 nM 5.58
CHEMBL11252 STALLIMYCIN IC50 = 2700.0 nM 5.57
CHEMBL73002 IC50 = 3882.0 nM 5.41
CHEMBL72353 IC50 = 4290.0 nM 5.37
CHEMBL312690 IC50 = 4597.0 nM 5.34
CHEMBL74459 IC50 = 4842.0 nM 5.32
CHEMBL64874 IC50 = 4818.0 nM 5.32
CHEMBL386919 IC50 = 11918.0 nM 4.92
CHEMBL74406 IC50 = 16618.0 nM 4.78
CHEMBL307767 NETROPSIN IC50 = 62000.0 nM 4.21