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Found 902 hits Enz. Inhib. hit(s) with Target = 'DNA topoisomerase I' AND taxid = 9606   
Target
(Institution)
LigandTarget
Links
Ligand
Links
Trg + Lig
Links
Ki
nM
ΔG°
kJ/mole
IC50
nM
Kd
nM
EC50/IC50
nM
koff
s-1
kon
M-1s-1
pHTemp
°C
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24616
PNG
(1-(6-(4-(Cyclopropylcarbamoyl)-1H-imidazol-1-yl)-4...)
Show SMILES CCNC(=O)Nc1nc2c(cc(cc2[nH]1)-n1cnc(c1)C(=O)NC1CC1)-c1ccccn1
Show InChI InChI=1S/C22H22N8O2/c1-2-23-22(32)29-21-27-17-10-14(9-15(19(17)28-21)16-5-3-4-8-24-16)30-11-18(25-12-30)20(31)26-13-6-7-13/h3-5,8-13H,2,6-7H2,1H3,(H,26,31)(H3,23,27,28,29,32)
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7 -47.3n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24617
PNG
(3-ethyl-1-[7-(3-fluoropyridin-2-yl)-5-(1-methyl-2-...)
Show SMILES CCNC(=O)Nc1nc2c(cc(cc2[nH]1)-c1ccn(C)c(=O)c1)-c1ncccc1F
Show InChI InChI=1S/C21H19FN6O2/c1-3-23-21(30)27-20-25-16-10-13(12-6-8-28(2)17(29)11-12)9-14(19(16)26-20)18-15(22)5-4-7-24-18/h4-11H,3H2,1-2H3,(H3,23,25,26,27,30)
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PubMed
11 -46.2n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24615
PNG
(Benzimidazole urea analogue, 19 | N-cyclopropyl-1-...)
Show SMILES CCNC(=O)Nc1nc2c(cc(cc2[nH]1)-n1cnc(c1)C(=O)NC1CC1)-n1cccn1
Show InChI InChI=1S/C20H21N9O2/c1-2-21-20(31)27-19-25-14-8-13(9-16(17(14)26-19)29-7-3-6-23-29)28-10-15(22-11-28)18(30)24-12-4-5-12/h3,6-12H,2,4-5H2,1H3,(H,24,30)(H3,21,25,26,27,31)
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12 -46.0n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24609
PNG
(3-ethyl-1-[7-(pyridin-2-yl)-5-(pyridin-3-yl)-1H-1,...)
Show SMILES CCNC(=O)Nc1nc2c(cc(cc2[nH]1)-c1cccnc1)-c1ccccn1
Show InChI InChI=1S/C20H18N6O/c1-2-22-20(27)26-19-24-17-11-14(13-6-5-8-21-12-13)10-15(18(17)25-19)16-7-3-4-9-23-16/h3-12H,2H2,1H3,(H3,22,24,25,26,27)
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14 -45.6n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24611
PNG
(3-ethyl-1-[7-(3-fluoropyridin-2-yl)-5-(pyridin-3-y...)
Show SMILES CCNC(=O)Nc1nc2c(cc(cc2[nH]1)-c1cccnc1)-c1ncccc1F
Show InChI InChI=1S/C20H17FN6O/c1-2-23-20(28)27-19-25-16-10-13(12-5-3-7-22-11-12)9-14(18(16)26-19)17-15(21)6-4-8-24-17/h3-11H,2H2,1H3,(H3,23,25,26,27,28)
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23 -44.3n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24606
PNG
(Benzimidazole urea analogue, 10 | methyl 2-[(ethyl...)
Show SMILES CCNC(=O)Nc1nc2c(cc(cc2[nH]1)-c1cccnc1)C(=O)OC
Show InChI InChI=1S/C17H17N5O3/c1-3-19-17(24)22-16-20-13-8-11(10-5-4-6-18-9-10)7-12(14(13)21-16)15(23)25-2/h4-9H,3H2,1-2H3,(H3,19,20,21,22,24)
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35 -43.3n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24608
PNG
(3-ethyl-1-[7-(1H-pyrazol-1-yl)-5-(pyridin-3-yl)-1H...)
Show SMILES CCNC(=O)Nc1nc2c(cc(cc2[nH]1)-c1cccnc1)-n1cccn1
Show InChI InChI=1S/C18H17N7O/c1-2-20-18(26)24-17-22-14-9-13(12-5-3-6-19-11-12)10-15(16(14)23-17)25-8-4-7-21-25/h3-11H,2H2,1H3,(H3,20,22,23,24,26)
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46 -42.6n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24614
PNG
(3-ethyl-1-[7-(1H-pyrazol-1-yl)-5-(pyrimidin-5-yl)-...)
Show SMILES CCNC(=O)Nc1nc2c(cc(cc2[nH]1)-c1cncnc1)-n1cccn1
Show InChI InChI=1S/C17H16N8O/c1-2-20-17(26)24-16-22-13-6-11(12-8-18-10-19-9-12)7-14(15(13)23-16)25-5-3-4-21-25/h3-10H,2H2,1H3,(H3,20,22,23,24,26)
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58 -42.0n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24601
PNG
(Benzimidazole urea analogue, 5 | N-cyclopropyl-1-{...)
Show SMILES CCNC(=O)Nc1nc2cc(c(F)cc2[nH]1)-n1cnc(c1)C(=O)NC1CC1
Show InChI InChI=1S/C17H18FN7O2/c1-2-19-17(27)24-16-22-11-5-10(18)14(6-12(11)23-16)25-7-13(20-8-25)15(26)21-9-3-4-9/h5-9H,2-4H2,1H3,(H,21,26)(H3,19,22,23,24,27)
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78 -41.3n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM282
PNG
((3R,4S,5R,6R)-5-hydroxy-6-[(2-hydroxy-3-{[4-hydrox...)
Show SMILES CO[C@@H]1[C@@H](OC(N)=O)[C@@H](O)[C@H](Oc2ccc3c(O)c(NC(=O)c4ccc(O)c(CC=C(C)C)c4)c(=O)oc3c2C)OC1(C)C
Show InChI InChI=1S/C31H36N2O11/c1-14(2)7-8-16-13-17(9-11-19(16)34)27(37)33-21-22(35)18-10-12-20(15(3)24(18)42-28(21)38)41-29-23(36)25(43-30(32)39)26(40-6)31(4,5)44-29/h7,9-13,23,25-26,29,34-36H,8H2,1-6H3,(H2,32,39)(H,33,37)/t23-,25+,26-,29-/m1/s1
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110 -40.4n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
3D
3D Structure (crystal)
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24607
PNG
(2-[(ethylcarbamoyl)amino]-N-methyl-5-(pyridin-3-yl...)
Show SMILES CCNC(=O)Nc1nc2cc(cc(C(=O)NC)c2[nH]1)-c1cccnc1
Show InChI InChI=1S/C17H18N6O2/c1-3-20-17(25)23-16-21-13-8-11(10-5-4-6-19-9-10)7-12(14(13)22-16)15(24)18-2/h4-9H,3H2,1-2H3,(H,18,24)(H3,20,21,22,23,25)
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150 -39.6n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24612
PNG
(1-[7-(benzyloxy)-5-(pyridin-3-yl)-1H-1,3-benzodiaz...)
Show SMILES CCNC(=O)Nc1nc2cc(cc(OCc3ccccc3)c2[nH]1)-c1cccnc1
Show InChI InChI=1S/C22H21N5O2/c1-2-24-22(28)27-21-25-18-11-17(16-9-6-10-23-13-16)12-19(20(18)26-21)29-14-15-7-4-3-5-8-15/h3-13H,2,14H2,1H3,(H3,24,25,26,27,28)
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390 -37.2n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50142519
PNG
(CHEMBL47027 | N-[2-(3,4,5-triihydroxy-benzoylamino...)
Show SMILES Oc1cc(cc(O)c1O)C(=O)Nc1ccccc1NC(=O)c1cc(O)c(O)c(O)c1
Show InChI InChI=1S/C20H16N2O8/c23-13-5-9(6-14(24)17(13)27)19(29)21-11-3-1-2-4-12(11)22-20(30)10-7-15(25)18(28)16(26)8-10/h1-8,23-28H,(H,21,29)(H,22,30)
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400n/an/an/an/an/an/an/an/a



Kumamoto University

Curated by ChEMBL


Assay Description
Inhibition of relaxation activities of DNA topoisomerase I with respect to pBR322 DNA


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24602
PNG
(3-ethyl-1-[6-fluoro-5-(pyridin-3-yl)-1H-1,3-benzod...)
Show SMILES CCNC(=O)Nc1nc2cc(c(F)cc2[nH]1)-c1cccnc1
Show InChI InChI=1S/C15H14FN5O/c1-2-18-15(22)21-14-19-12-6-10(9-4-3-5-17-8-9)11(16)7-13(12)20-14/h3-8H,2H2,1H3,(H3,18,19,20,21,22)
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680 -35.8n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24613
PNG
(3-ethyl-1-[6-methoxy-5-(2-methoxypyrimidin-5-yl)-1...)
Show SMILES CCNC(=O)Nc1nc2cc(c(OC)cc2[nH]1)-c1cnc(OC)nc1
Show InChI InChI=1S/C16H18N6O3/c1-4-17-15(23)22-14-20-11-5-10(13(24-2)6-12(11)21-14)9-7-18-16(25-3)19-8-9/h5-8H,4H2,1-3H3,(H3,17,20,21,22,23)
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680 -35.8n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24600
PNG
(3-ethyl-1-[5-(pyrimidin-5-yl)-1H-1,3-benzodiazol-2...)
Show SMILES CCNC(=O)Nc1nc2cc(ccc2[nH]1)-c1cncnc1
Show InChI InChI=1S/C14H14N6O/c1-2-17-14(21)20-13-18-11-4-3-9(5-12(11)19-13)10-6-15-8-16-7-10/h3-8H,2H2,1H3,(H3,17,18,19,20,21)
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1.10E+3 -34.6n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24610
PNG
(1-[5,7-bis(pyridin-3-yl)-1H-1,3-benzodiazol-2-yl]-...)
Show SMILES CCNC(=O)Nc1nc2c(cc(cc2[nH]1)-c1cccnc1)-c1cccnc1
Show InChI InChI=1S/C20H18N6O/c1-2-23-20(27)26-19-24-17-10-15(13-5-3-7-21-11-13)9-16(18(17)25-19)14-6-4-8-22-12-14/h3-12H,2H2,1H3,(H3,23,24,25,26,27)
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1.30E+3 -34.2n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24603
PNG
(3-ethyl-1-[6-methyl-5-(pyridin-3-yl)-1H-1,3-benzod...)
Show SMILES CCNC(=O)Nc1nc2cc(c(C)cc2[nH]1)-c1cccnc1
Show InChI InChI=1S/C16H17N5O/c1-3-18-16(22)21-15-19-13-7-10(2)12(8-14(13)20-15)11-5-4-6-17-9-11/h4-9H,3H2,1-2H3,(H3,18,19,20,21,22)
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1.40E+3 -34.0n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24598
PNG
(3-ethyl-1-[5-(pyridin-3-yl)-1H-1,3-benzodiazol-2-y...)
Show SMILES CCNC(=O)Nc1nc2ccc(cc2[nH]1)-c1cccnc1
Show InChI InChI=1S/C15H15N5O/c1-2-17-15(21)20-14-18-12-6-5-10(8-13(12)19-14)11-4-3-7-16-9-11/h3-9H,2H2,1H3,(H3,17,18,19,20,21)
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2.30E+3 -32.7n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24605
PNG
(3-ethyl-1-[6-(piperidin-1-yl)-5-(pyridin-3-yl)-1H-...)
Show SMILES CCNC(=O)Nc1nc2cc(-c3cccnc3)c(cc2[nH]1)N1CCCCC1
Show InChI InChI=1S/C20H24N6O/c1-2-22-20(27)25-19-23-16-11-15(14-7-6-8-21-13-14)18(12-17(16)24-19)26-9-4-3-5-10-26/h6-8,11-13H,2-5,9-10H2,1H3,(H3,22,23,24,25,27)
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3.30E+3 -31.8n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24604
PNG
(3-ethyl-1-[6-methoxy-5-(pyridin-3-yl)-1H-1,3-benzo...)
Show SMILES CCNC(=O)Nc1nc2cc(c(OC)cc2[nH]1)-c1cccnc1
Show InChI InChI=1S/C16H17N5O2/c1-3-18-16(22)21-15-19-12-7-11(10-5-4-6-17-9-10)14(23-2)8-13(12)20-15/h4-9H,3H2,1-2H3,(H3,18,19,20,21,22)
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3.50E+3 -31.7n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24599
PNG
(3-ethyl-1-(5-phenyl-1H-1,3-benzodiazol-2-yl)urea |...)
Show SMILES CCNC(=O)Nc1nc2ccc(cc2[nH]1)-c1ccccc1
Show InChI InChI=1S/C16H16N4O/c1-2-17-16(21)20-15-18-13-9-8-12(10-14(13)19-15)11-6-4-3-5-7-11/h3-10H,2H2,1H3,(H3,17,18,19,20,21)
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9.50E+3 -29.1n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
DNA Topoisomerase IV


(Escherichia coli (strain K12))
BDBM24597
PNG
(Benzimidazole carbamate analogue, 1 | ethyl N-{5-[...)
Show SMILES CCOC(=O)Nc1nc2ccc(C=Cc3ccc(O)cc3)cc2[nH]1
Show InChI InChI=1S/C18H17N3O3/c1-2-24-18(23)21-17-19-15-10-7-13(11-16(15)20-17)4-3-12-5-8-14(22)9-6-12/h3-11,22H,2H2,1H3,(H2,19,20,21,23)
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>6.00E+4>-24.5n/an/an/an/an/a7.530



Vertex



Assay Description
Enzymatic hydrolysis of ATP to ADP was coupled to the conversion of NADH to NAD+. The decrease in NADH absorbance was monitored at 340 nm for 20 min ...


Citation and Details
More data for this
Ligand-Target Pair
Topoisomerase II alpha (HuTopoIIα)


(Homo sapiens (Human))
BDBM50357677
PNG
(CHEMBL1914951)
Show SMILES CC(C)(C)Nc1c(nc2ccccn12)-c1ccc(cc1)C(O)=O
Show InChI InChI=1S/C18H19N3O2/c1-18(2,3)20-16-15(19-14-6-4-5-11-21(14)16)12-7-9-13(10-8-12)17(22)23/h4-11,20H,1-3H3,(H,22,23)
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7.50E+4n/an/an/an/an/an/an/an/a



National Institute of Pharmaceutical Education and Research (NIPER)

Curated by ChEMBL


Assay Description
Competitive inhibition of human topoisomerase-2 alpha-ATPase activity by Lineweaver-Burk assay in presence of 200 to 520 uM ATP


Citation and Details
More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50036132
PNG
(15-chloromethyl-8-ethyl-8-hydroxy-(8S)-2,3,8,9,12,...)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4cc5OCCOc5cc4c(CCl)c3Cn1c2=O
Show InChI InChI=1S/C23H19ClN2O6/c1-2-23(29)15-6-17-20-13(9-26(17)21(27)14(15)10-32-22(23)28)12(8-24)11-5-18-19(7-16(11)25-20)31-4-3-30-18/h5-7,29H,2-4,8-10H2,1H3/t23-/m0/s1
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n/an/a 11n/an/an/an/an/an/a



Glaxo Research Institute

Curated by ChEMBL


Assay Description
Inhibition of topoisomerase I activity was determined in vitro by using the cleavable complex assay(calf thymus)


J Med Chem 38: 395-401 (1995)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50036129
PNG
(14-chloromethyl-7-ethyl-7-hydroxy-(7S)-7,8,11,13-t...)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4cc5OCOc5cc4c(CCl)c3Cn1c2=O
Show InChI InChI=1S/C22H17ClN2O6/c1-2-22(28)14-4-16-19-12(7-25(16)20(26)13(14)8-29-21(22)27)11(6-23)10-3-17-18(31-9-30-17)5-15(10)24-19/h3-5,28H,2,6-9H2,1H3/t22-/m0/s1
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n/an/a 15n/an/an/an/an/an/a



Glaxo Research Institute

Curated by ChEMBL


Assay Description
Inhibition of topoisomerase I activity was determined in vitro by using the cleavable complex assay(calf thymus)


J Med Chem 38: 395-401 (1995)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50036133
PNG
(7-ethyl-7-hydroxy-(7S)-7,8,11,13-tetrahydro-10H-[1...)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4cc5OCOc5cc4cc3Cn1c2=O
Show InChI InChI=1S/C21H16N2O6/c1-2-21(26)13-5-15-18-11(7-23(15)19(24)12(13)8-27-20(21)25)3-10-4-16-17(29-9-28-16)6-14(10)22-18/h3-6,26H,2,7-9H2,1H3/t21-/m0/s1
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n/an/a 27n/an/an/an/an/an/a



Research Triangle Institute

Curated by ChEMBL


Assay Description
Inhibition of Topoisomerase I by cleavage complex formation in human HL-60 cells


J Med Chem 36: 2689-700 (1993)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50034013
PNG
((S)-9-Bromo-4-ethyl-4-hydroxy-11-methyl-1,12-dihyd...)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4cnc(Br)cc4c(C)c3Cn1c2=O
Show InChI InChI=1S/C20H16BrN3O4/c1-3-20(27)13-5-15-17-11(7-24(15)18(25)12(13)8-28-19(20)26)9(2)10-4-16(21)22-6-14(10)23-17/h4-6,27H,3,7-8H2,1-2H3/t20-/m0/s1
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n/an/a 28n/an/an/an/an/an/a



Glaxo Inc.

Curated by ChEMBL


Assay Description
In vitro fragmentation of DNA in the presence of excess calf thymus topoisomerase.


J Med Chem 38: 1106-18 (1995)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50034013
PNG
((S)-9-Bromo-4-ethyl-4-hydroxy-11-methyl-1,12-dihyd...)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4cnc(Br)cc4c(C)c3Cn1c2=O
Show InChI InChI=1S/C20H16BrN3O4/c1-3-20(27)13-5-15-17-11(7-24(15)18(25)12(13)8-28-19(20)26)9(2)10-4-16(21)22-6-14(10)23-17/h4-6,27H,3,7-8H2,1-2H3/t20-/m0/s1
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n/an/a 28n/an/an/an/an/an/a



NeoGenesis, Inc.

Curated by ChEMBL


Assay Description
Inhibitory activity against DNA topoisomerase I


J Med Chem 43: 1993-2006 (2000)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50073854
PNG
(2,10-dihydroxy-12-(3,4,5-trihydroxy-6-hydroxymethy...)
Show SMILES OCC1OC(C(O)C(O)C1O)n1c2cc(O)ccc2c2c3C(=O)NC(=O)c3c3c4ccc(O)cc4[nH]c3c12
Show InChI InChI=1S/C26H21N3O9/c30-7-14-21(33)22(34)23(35)26(38-14)29-13-6-9(32)2-4-11(13)16-18-17(24(36)28-25(18)37)15-10-3-1-8(31)5-12(10)27-19(15)20(16)29/h1-6,14,21-23,26-27,30-35H,7H2,(H,28,36,37)
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n/an/a 30n/an/an/an/an/an/a



deCODE BioStructures

Curated by ChEMBL


Assay Description
Inhibition of topoisomerase I-DNA complex in trapping assay


Citation and Details
More data for this
Ligand-Target Pair
3D
3D Structure (crystal)
DNA topoisomerase I


(Homo sapiens)
BDBM50036133
PNG
(7-ethyl-7-hydroxy-(7S)-7,8,11,13-tetrahydro-10H-[1...)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4cc5OCOc5cc4cc3Cn1c2=O
Show InChI InChI=1S/C21H16N2O6/c1-2-21(26)13-5-15-18-11(7-23(15)19(24)12(13)8-27-20(21)25)3-10-4-16-17(29-9-28-16)6-14(10)22-18/h3-6,26H,2,7-9H2,1H3/t21-/m0/s1
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n/an/a 30n/an/an/an/an/an/a



TBA

Curated by ChEMBL


Assay Description
Ability to inhibit calf thymus topoisomerase I when assayed in the cleavable complex formation


Citation and Details
More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50034009
PNG
((S)-4,11-Diethyl-4-hydroxy-3,13-dioxo-3,4,12,13-te...)
Show SMILES CCc1c2Cn3c(cc4c(COC(=O)[C@]4(O)CC)c3=O)-c2nc2cnc(cc12)C(N)=N
Show InChI InChI=1S/C22H21N5O4/c1-3-10-11-5-15(19(23)24)25-7-16(11)26-18-12(10)8-27-17(18)6-14-13(20(27)28)9-31-21(29)22(14,30)4-2/h5-7,30H,3-4,8-9H2,1-2H3,(H3,23,24)/t22-/m0/s1
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n/an/a 33n/an/an/an/an/an/a



Glaxo Inc.

Curated by ChEMBL


Assay Description
Minimum concentration that produced 50% fragmentation of DNA was measured in the presence of excess calf thymus topoisomerase.


J Med Chem 38: 1106-18 (1995)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50422003
PNG
(CHEMBL10741)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4cccc(C)c4cc3Cn1c2=O
Show InChI InChI=1S/C21H18N2O4/c1-3-21(26)15-8-17-18-12(7-13-11(2)5-4-6-16(13)22-18)9-23(17)19(24)14(15)10-27-20(21)25/h4-8,26H,3,9-10H2,1-2H3/t21-/m0/s1
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n/an/a 38n/an/an/an/an/an/a



Research Triangle Institute

Curated by ChEMBL


Assay Description
Inhibition of Topoisomerase I by cleavage complex formation in human HL-60 cells


J Med Chem 36: 2689-700 (1993)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50045377
PNG
((20R)-7-ethyl-7-hydroxy-7,8,11,13-tetrahydro-10H-[...)
Show SMILES CCC1(O)C(=O)OCc2c1cc1-c3nc4cc5OCOc5cc4cc3Cn1c2=O
Show InChI InChI=1S/C21H16N2O6/c1-2-21(26)13-5-15-18-11(7-23(15)19(24)12(13)8-27-20(21)25)3-10-4-16-17(29-9-28-16)6-14(10)22-18/h3-6,26H,2,7-9H2,1H3
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n/an/a 38n/an/an/an/an/an/a



Research Triangle Institute

Curated by ChEMBL


Assay Description
Inhibition of Topoisomerase I by cleavage complex formation in intact human HL-60 cells


J Med Chem 36: 2689-700 (1993)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50406999
PNG
(CHEMBL2114243)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4cc5OCOc5c(N)c4cc3Cn1c2=O
Show InChI InChI=1S/C21H17N3O6/c1-2-21(27)12-4-14-17-9(6-24(14)19(25)11(12)7-28-20(21)26)3-10-13(23-17)5-15-18(16(10)22)30-8-29-15/h3-5,27H,2,6-8,22H2,1H3/t21-/m0/s1
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n/an/a 48n/an/an/an/an/an/a



Research Triangle Institute

Curated by ChEMBL


Assay Description
Inhibition of Topoisomerase I by cleavage complex formation in human HL-60 cells


J Med Chem 36: 2689-700 (1993)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50250996
PNG
(CHEMBL525240 | TANNIN | chebulagic acid | chebulan...)
Show SMILES O[C@H]1[C@H]2[C@H](CC(O)=O)C(=O)O[C@@H]3[C@H]4COC(=O)c5cc(c(O)c(O)c5O)-c5c(O)c(O)c(O)cc5C(=O)O[C@@H]3[C@@H](OC(=O)c3cc(O)c(O)c(OC1=O)c23)[C@H](OC(=O)c1cc(O)c(O)c(O)c1)O4
Show InChI InChI=1S/C41H30O27/c42-14-1-8(2-15(43)25(14)50)35(56)68-41-34-33-31(64-39(60)12(6-19(46)47)21-22-11(38(59)67-34)5-17(45)27(52)32(22)65-40(61)29(21)54)18(63-41)7-62-36(57)13-3-9(23(48)30(55)24(13)49)20-10(37(58)66-33)4-16(44)26(51)28(20)53/h1-5,12,18,21,29,31,33-34,41-45,48-55H,6-7H2,(H,46,47)/t12-,18+,21-,29-,31+,33-,34+,41-/m0/s1
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n/an/a 50n/an/an/an/an/an/a



TBA

Curated by ChEMBL


Assay Description
Inhibition of human COLO201 cellular topoisomerase-1 mediated plasmid DNA cleavage by electrophoresis in presence of 14 units of enzyme


Citation and Details
More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50008935
PNG
((20S)-10-Dimethylaminomethyl-4-ethyl-4,9-dihydroxy...)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4ccc(O)c(CN(C)C)c4cc3Cn1c2=O
Show InChI InChI=1S/C23H23N3O5/c1-4-23(30)16-8-18-20-12(9-26(18)21(28)15(16)11-31-22(23)29)7-13-14(10-25(2)3)19(27)6-5-17(13)24-20/h5-8,27,30H,4,9-11H2,1-3H3/t23-/m0/s1
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n/an/a 50n/an/an/an/an/an/a



deCODE BioStructures

Curated by ChEMBL


Assay Description
Inhibition of topoisomerase I-DNA complex in trapping assay


Citation and Details
More data for this
Ligand-Target Pair
3D
3D Structure (crystal)
Topoisomerase II alpha (HuTopoIIα)


(Homo sapiens (Human))
BDBM50123623
PNG
((R)-13-(3-aminopyrrolidin-1-yl)-12-fluoro-10-oxo-1...)
Show SMILES N[C@@H]1CCN(C1)c1c(F)cc2c3c1oc1c4ccc5ccccc5c4ccc1n3cc(C(O)=O)c2=O
Show InChI InChI=1S/C28H20FN3O4/c29-21-11-19-23-27(24(21)31-10-9-15(30)12-31)36-26-18-6-5-14-3-1-2-4-16(14)17(18)7-8-22(26)32(23)13-20(25(19)33)28(34)35/h1-8,11,13,15H,9-10,12,30H2,(H,34,35)/t15-/m1/s1
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n/an/a 60n/an/an/an/an/an/a



Universit£ de Toulouse

Curated by ChEMBL


Assay Description
Induction of poison effect at DNA topoisomerase 2 by G-quadruplex interaction polymerase stop assay


Citation and Details
More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50045368
PNG
((20S)-15-chloro-7-ethyl-7-hydroxy-7,8,11,13-tetrah...)
Show SMILES CCC1(O)C(=O)OCc2c1cc1-c3nc4cc5OCOc5c(Cl)c4cc3Cn1c2=O
Show InChI InChI=1S/C21H15ClN2O6/c1-2-21(27)12-4-14-17-9(6-24(14)19(25)11(12)7-28-20(21)26)3-10-13(23-17)5-15-18(16(10)22)30-8-29-15/h3-5,27H,2,6-8H2,1H3
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n/an/a 61n/an/an/an/an/an/a



Research Triangle Institute

Curated by ChEMBL


Assay Description
Inhibition of Topoisomerase I by cleavage complex formation in human HL-60 cells


J Med Chem 36: 2689-700 (1993)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50045377
PNG
((20R)-7-ethyl-7-hydroxy-7,8,11,13-tetrahydro-10H-[...)
Show SMILES CCC1(O)C(=O)OCc2c1cc1-c3nc4cc5OCOc5cc4cc3Cn1c2=O
Show InChI InChI=1S/C21H16N2O6/c1-2-21(26)13-5-15-18-11(7-23(15)19(24)12(13)8-27-20(21)25)3-10-4-16-17(29-9-28-16)6-14(10)22-18/h3-6,26H,2,7-9H2,1H3
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n/an/a 67n/an/an/an/an/an/a



Research Triangle Institute

Curated by ChEMBL


Assay Description
Inhibition of Topoisomerase I by cleavage complex formation in human HL-60 cells


J Med Chem 36: 2689-700 (1993)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50045381
PNG
((20R)-15-amino-7-ethyl-7-hydroxy-7,8,11,13-tetrahy...)
Show SMILES CCC1(O)C(=O)OCc2c1cc1-c3nc4cc5OCOc5c(N)c4cc3Cn1c2=O
Show InChI InChI=1S/C21H17N3O6/c1-2-21(27)12-4-14-17-9(6-24(14)19(25)11(12)7-28-20(21)26)3-10-13(23-17)5-15-18(16(10)22)30-8-29-15/h3-5,27H,2,6-8,22H2,1H3
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n/an/a 69n/an/an/an/an/an/a



Research Triangle Institute

Curated by ChEMBL


Assay Description
Inhibition of Topoisomerase I by cleavage complex formation in intact human HL-60 cells


J Med Chem 36: 2689-700 (1993)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50034018
PNG
((S)-4,11-Diethyl-4,N-dihydroxy-3,13-dioxo-3,4,12,1...)
Show SMILES CCc1c2Cn3c(cc4c(COC(=O)[C@]4(O)CC)c3=O)-c2nc2cnc(cc12)C(=N)NO
Show InChI InChI=1S/C22H21N5O5/c1-3-10-11-5-15(19(23)26-31)24-7-16(11)25-18-12(10)8-27-17(18)6-14-13(20(27)28)9-32-21(29)22(14,30)4-2/h5-7,30-31H,3-4,8-9H2,1-2H3,(H2,23,26)/t22-/m0/s1
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n/an/a 71n/an/an/an/an/an/a



Glaxo Inc.

Curated by ChEMBL


Assay Description
Minimum concentration that produced 50% fragmentation of DNA was measured in the presence of excess calf thymus topoisomerase.


J Med Chem 38: 1106-18 (1995)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50045381
PNG
((20R)-15-amino-7-ethyl-7-hydroxy-7,8,11,13-tetrahy...)
Show SMILES CCC1(O)C(=O)OCc2c1cc1-c3nc4cc5OCOc5c(N)c4cc3Cn1c2=O
Show InChI InChI=1S/C21H17N3O6/c1-2-21(27)12-4-14-17-9(6-24(14)19(25)11(12)7-28-20(21)26)3-10-13(23-17)5-15-18(16(10)22)30-8-29-15/h3-5,27H,2,6-8,22H2,1H3
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n/an/a 76n/an/an/an/an/an/a



Research Triangle Institute

Curated by ChEMBL


Assay Description
Inhibition of Topoisomerase I by cleavage complex formation in human HL-60 cells


J Med Chem 36: 2689-700 (1993)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50036133
PNG
(7-ethyl-7-hydroxy-(7S)-7,8,11,13-tetrahydro-10H-[1...)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4cc5OCOc5cc4cc3Cn1c2=O
Show InChI InChI=1S/C21H16N2O6/c1-2-21(26)13-5-15-18-11(7-23(15)19(24)12(13)8-27-20(21)25)3-10-4-16-17(29-9-28-16)6-14(10)22-18/h3-6,26H,2,7-9H2,1H3/t21-/m0/s1
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n/an/a 78n/an/an/an/an/an/a



Glaxo Research Institute

Curated by ChEMBL


Assay Description
Inhibition of topoisomerase I activity was determined in vitro by using the cleavable complex assay(calf thymus)


J Med Chem 38: 395-401 (1995)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50407001
PNG
(CHEMBL2114244)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4cccc(Cl)c4cc3Cn1c2=O
Show InChI InChI=1S/C20H15ClN2O4/c1-2-20(26)13-7-16-17-10(6-11-14(21)4-3-5-15(11)22-17)8-23(16)18(24)12(13)9-27-19(20)25/h3-7,26H,2,8-9H2,1H3/t20-/m0/s1
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n/an/a 86n/an/an/an/an/an/a



Research Triangle Institute

Curated by ChEMBL


Assay Description
Inhibition of Topoisomerase I by cleavage complex formation in human HL-60 cells


J Med Chem 36: 2689-700 (1993)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50250996
PNG
(CHEMBL525240 | TANNIN | chebulagic acid | chebulan...)
Show SMILES O[C@H]1[C@H]2[C@H](CC(O)=O)C(=O)O[C@@H]3[C@H]4COC(=O)c5cc(c(O)c(O)c5O)-c5c(O)c(O)c(O)cc5C(=O)O[C@@H]3[C@@H](OC(=O)c3cc(O)c(O)c(OC1=O)c23)[C@H](OC(=O)c1cc(O)c(O)c(O)c1)O4
Show InChI InChI=1S/C41H30O27/c42-14-1-8(2-15(43)25(14)50)35(56)68-41-34-33-31(64-39(60)12(6-19(46)47)21-22-11(38(59)67-34)5-17(45)27(52)32(22)65-40(61)29(21)54)18(63-41)7-62-36(57)13-3-9(23(48)30(55)24(13)49)20-10(37(58)66-33)4-16(44)26(51)28(20)53/h1-5,12,18,21,29,31,33-34,41-45,48-55H,6-7H2,(H,46,47)/t12-,18+,21-,29-,31+,33-,34+,41-/m0/s1
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n/an/a 100n/an/an/an/an/an/a



TBA

Curated by ChEMBL


Assay Description
Inhibition of human COLO201 cellular topoisomerase-1 mediated plasmid DNA cleavage by electrophoresis in presence of 70 units of enzyme


Citation and Details
More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50049295
PNG
(7-ethyl-7-hydroxy-14-(3-hydroxymethyl-1-pyridinium...)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4cc5OCOc5cc4c(C[n+]4cccc(CO)c4)c3Cn1c2=O
Show InChI InChI=1S/C28H24N3O7/c1-2-28(35)20-7-22-25-18(11-31(22)26(33)19(20)13-36-27(28)34)17(10-30-5-3-4-15(9-30)12-32)16-6-23-24(38-14-37-23)8-21(16)29-25/h3-9,32,35H,2,10-14H2,1H3/q+1/t28-/m0/s1
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n/an/a 100n/an/an/an/an/an/a



Glaxo Wellcome Research Institute

Curated by ChEMBL


Assay Description
Average concentration of compound to cause 50% inhibition of topoisomerase-I


Citation and Details
More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50008922
PNG
((20S)-4-Ethyl-4,9-dihydroxy-1,12-dihydro-4H-2-oxa-...)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4ccc(O)cc4cc3Cn1c2=O
Show InChI InChI=1S/C20H16N2O5/c1-2-20(26)14-7-16-17-11(5-10-6-12(23)3-4-15(10)21-17)8-22(16)18(24)13(14)9-27-19(20)25/h3-7,23,26H,2,8-9H2,1H3/t20-/m0/s1
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n/an/a 110n/an/an/an/an/an/a



Research Triangle Institute

Curated by ChEMBL


Assay Description
Inhibition of Topoisomerase I by cleavage complex formation in human HL-60 cells


J Med Chem 36: 2689-700 (1993)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50008936
PNG
((S)-10-Amino-4-ethyl-4-hydroxy-1,12-dihydro-4H-2-o...)
Show SMILES CC[C@@]1(O)C(=O)OCc2c1cc1-c3nc4cccc(N)c4cc3Cn1c2=O
Show InChI InChI=1S/C20H17N3O4/c1-2-20(26)13-7-16-17-10(6-11-14(21)4-3-5-15(11)22-17)8-23(16)18(24)12(13)9-27-19(20)25/h3-7,26H,2,8-9,21H2,1H3/t20-/m0/s1
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n/an/a 110n/an/an/an/an/an/a



Research Triangle Institute

Curated by ChEMBL


Assay Description
Inhibition of Topoisomerase I by cleavage complex formation in human HL-60 cells


J Med Chem 36: 2689-700 (1993)

More data for this
Ligand-Target Pair
DNA topoisomerase I


(Homo sapiens)
BDBM50045383
PNG
((20S)-9,10-Dichloro-4-ethyl-4-hydroxy-1,12-dihydro...)
Show SMILES CCC1(O)C(=O)OCc2c1cc1-c3nc4ccc(Cl)c(Cl)c4cc3Cn1c2=O
Show InChI InChI=1S/C20H14Cl2N2O4/c1-2-20(27)12-6-15-17-9(5-10-14(23-17)4-3-13(21)16(10)22)7-24(15)18(25)11(12)8-28-19(20)26/h3-6,27H,2,7-8H2,1H3
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n/an/a 110n/an/an/an/an/an/a



Research Triangle Institute

Curated by ChEMBL


Assay Description
Inhibition of Topoisomerase I by cleavage complex formation in human HL-60 cells


J Med Chem 36: 2689-700 (1993)

More data for this
Ligand-Target Pair
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