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topoisomerases I and II

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Topoisomerase (24) ADC Cytotoxin (3) AMPK (2) Antibiotic (5) Apoptosis (6) Autophagy (2) Bacterial (4) Cuproptosis (1) DNA/RNA Synthesis (3) Endogenous Metabolite (2) Fungal (1) HBV (2) HIV (2) Influenza Virus (1) Mitophagy (2) Orthopoxvirus (1) Parasite (1) PI3K (1) Proteasome (1) Reactive Oxygen Species (1) TMV (1)
By Research Areas:	Cancer (23) Infection (8) Inflammation/Immunology (2)

Inhibitors & Agonists

Natural
Products

Isotope-Labeled Compounds

Targets Recommended: Photosystem II Topoisomerase CD74 Fat Mass and Obesity-associated Protein (FTO)

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-13622A

Elomotecan BN 80927 free base	Topoisomerase	Cancer
Elomotecan (BN 80927 free base) is a potent inhibitor of topoisomerases I and II. Elomotecan is a camptothecin analog belonging to the homocamptothecin family (hCPT). Elomotecan reduces the proliferation of different tumor cells with higher potency than other anticancer agents of reference targeting topoisomerases I and II .

HY-13622

Elomotecan hydrochloride BN 80927	Topoisomerase	Cancer
Elomotecan hydrochloride (BN 80927) is a potent inhibitor of topoisomerases I and II. Elomotecan hydrochloride (BN 80927) is a camptothecin analog belonging to the homocamptothecin family (hCPT). Elomotecan hydrochloride (BN 80927) reduces the proliferation of different tumor cells with higher potency than other anticancer agents of reference targeting topoisomerases I and II .

HY-149002

Topoisomerase I/II inhibitor 4	Topoisomerase Apoptosis	Cancer
Topoisomerase I/II inhibitor 4 (compound F16) is a potent topoisomerase I (Topo I) and II (Topo II) dual inhibitor. Topoisomerase I/II inhibitor 4 inhibits cell proliferation, invasion and migration and induces apoptosis. Topoisomerase I/II inhibitor 4 can be used for liver cancer research .

HY-146504

Topoisomerase I/II inhibitor 3	Topoisomerase PI3K Apoptosis Reactive Oxygen Species	Cancer
Topoisomerase I/II inhibitor 3 (compound 7) is a potent topoisomerase I (Topo I) and II (Topo II) dual inhibitor. Topoisomerase I/II inhibitor 3 can inhibit cell proliferation, invasion and migration, and induce apoptosis by inhibiting PI3K/Akt/mTOR signaling pathway. Topoisomerase I/II inhibitor 3 can be used for liver cancer research .

HY-143402

Topoisomerase I/II inhibitor 2	Topoisomerase	Cancer
Topoisomerase I/II inhibitor 2 (compound 1a) is a potent *Topoisomerase* inhibitor (IC₅₀= 9.82 μM on Huh7 cells and 6.83 μM on LM9 cells). Topoisomerase I/II inhibitor 2 has dual inhibition on DNA topoisomerase I/II, also can obviously reduce the growth of xenograft tumor in mice model. Topoisomerase I/II inhibitor 2 has the potential value in researching liver cancer .

HY-100777

DACA
DACA inhibits two essential nuclear enzymes in vitro, *DNA topoisomerase* I and DNA topoisomerase (topo) II*. DACA stabilises topo* I, topo II alpha, and topo II beta cleavable complexes in human leukaemia CCRF-CEM cells .

HY-19825

Rebeccamycin	Topoisomerase ADC Cytotoxin Antibiotic	Cancer
Rebeccamycin, an antitumor antibiotic, inhibits *DNA topoisomerase* I*. Rebeccamycin appears to exert its primary antineoplastic effect by poisoning topoisomerase* I and has negligible effect on protein kinase C and topoisomerase II .

HY-116933

Murrayanol	Topoisomerase Bacterial	Infection Inflammation/Immunology
Murrayanol is a natural carbazole alkaloid with a variety of biological activities. Murrayanol shows anti-inflammatory, topoisomerase I and topoisomerase II (Topoisomerase) inhibition activities. Murrayanol also as a mosquitocidal and antimicrobial .

HY-13758A

TAS-103 dihydrochloride 1 Publications Verification BMS-247615 dihydrochloride	Topoisomerase	Cancer
TAS-103 dihydrochloride is a dual inhibitor of DNA **topoisomerase I/II**, used for cancer research.

HY-13758

TAS-103

BMS-247615
Topoisomerase Cancer

TAS-103 is a dual inhibitor of DNA topoisomerase I/II, used for cancer research.
HY-N2331

Proscillaridin A

Proscillaridin A is a potent poison of topoisomerase I/II activity with IC₅₀ values of 30 nM and 100 nM, respectively .

TAS-103 BMS-247615	Topoisomerase	Cancer
TAS-103 is a dual inhibitor of DNA **topoisomerase I/II**, used for cancer research.

Proscillaridin A
Proscillaridin A is a potent poison of **topoisomerase I/II activity with IC₅₀** values of 30 nM and 100 nM, respectively .

HY-119892

Batracylin NSC 320846; BAY-H 2049	Topoisomerase	Cancer
Batracylin (NSC320846) is a potent *DNA Topoisomerases* I and DNA Topoisomerases II** inhibitor. Batracylin shows cytotoxicity and antiproliferative activity. Batracylin induces DNA breaks .

HY-13565

Becatecarin NSC 655649; BMS 181176; BMY 27557	Topoisomerase	Cancer
Becatecarin is a rebeccamycin analog with antitumor effects. Becatecarin intercalates into DNA and inhibites the catalytic activity of **topoisomerases I/II**.

HY-120185

Saintopin UCT-1003	Topoisomerase	Infection Cancer
Saintopin is an antitumor antibiotic. Saintopin is also an inhibitor of DNA topoisomerases I and II. Saintopin induces DNA cleavage .

HY-N10367

Corydamine

Topoisomerase Cancer

Corydamine, 3-arylisoquinoline alkaloid, is a potent DNA topoisomerase I/II inhibitor. Corydamine has anti-cancer activity .

Corydamine	Topoisomerase	Cancer
Corydamine, 3-arylisoquinoline alkaloid, is a potent DNA topoisomerase I/II inhibitor. Corydamine has anti-cancer activity .

HY-N6800A

Netropsin dihydrochloride	DNA/RNA Synthesis Bacterial Influenza Virus Antibiotic Orthopoxvirus	Infection Inflammation/Immunology
Netropsin dihydrochloride is a small-molecule MGB (minor-groove binder), inhibits the catalytic activity of isolated topoisomerase and interferes with the stabilization of the cleavable complexes of topoisomerase II and I in nuclei . Netropsin dihydrochloride exhibits antiviral activity against the vaccinia virus .

HY-121309

Doxorubicinone Adriamycin aglycone; Adriamycinone	Endogenous Metabolite	Cancer
Doxorubicinone is a metabolite of an anti-cancer chemotherapy agent Doxorubicin . Doxorubicin is a potent human *DNA topoisomerase* I and topoisomerase II inhibitor with IC₅₀**s of 0.8 μM and 2.67 μM, respectively.

HY-N6714

Alternariol	Topoisomerase	Infection Cancer
Alternariol is a mycotoxin produced by Alternaria species. AOH inhibits the catalytic activity of topoisomerase I and topoisomerase II enzymes . Alternariol exhibits a variety of therapeutic and biological properties such as phytotoxicity, cytotoxicity, anti-HIV, anti-cancer, and anti-microbial properties .

HY-119458

Luotonin A	Topoisomerase TMV Fungal	Infection
Luotonin A is an antiviral and antiphytopathogenic fungus agent. Luotonin A has good antiviral activity against tobacco mosaic virus (TMV). Luotonin A also has certain inhibitory activity on topoisomerase I and topoisomerase II. Luotonin A shows antitumor activity .

HY-123143

XR11576 MLN576	Topoisomerase	Cancer
XR11576 (MLN576) is an orally active inhibitor of topoisomerase I and II. XR11576 shows cytotoxicity against human and murine tumor cell lines (IC₅₀: 6-47 nM) .

HY-121309S

Doxorubicinone-d3 Adriamycin aglycone-d₃; Adriamycinone-d₃	Endogenous Metabolite	Cancer
Doxorubicinone-d₃ is the deuterium labeled Doxorubicinone. Doxorubicinone is a metabolite of an anti-cancer chemotherapy agent Doxorubicin[1]. Doxorubicin is a potent human DNA topoisomerase I and topoisomerase II inhibitor with IC50s of 0.8 μM and 2.67 μM, respectively.

HY-156376

Cu(II)-Elesclomol	Cuproptosis Apoptosis Topoisomerase	Cancer
Cu(II)-Elesclomol is a Cu ²⁺ complex of Elesclomol (HY-12040). Cu(II)-Elesclomol induces cuproptosis. Cu(II)-Elesclomol also inducesapoptosis, causes a G1 cell cycle block and induces DNA double strand breaks in K562 cells. Cu(II)-Elesclomol also weakly inhibits *DNA topoisomerase* I**. Cu(II)-Elesclomol has anticancer activity .

HY-15142

Doxorubicin hydrochloride Maximum Cited Publications 364 Publications Verification Hydroxydaunorubicin hydrochloride	Topoisomerase ADC Cytotoxin AMPK Autophagy Apoptosis HIV HBV Mitophagy Antibiotic Bacterial	Infection Cancer
Doxorubicin (Hydroxydaunorubicin) hydrochloride, a cytotoxic anthracycline antibiotic, is an anti-cancer chemotherapy agent. Doxorubicin hydrochloride is a potent human *DNA topoisomerase* I** and topoisomerase II inhibitor with IC₅₀s of 0.8 μM and 2.67 μM, respectively. Doxorubicin hydrochloride reduces basal phosphorylation of AMPK and its downstream target acetyl-CoA carboxylase. Doxorubicin hydrochloride induces apoptosis and autophagy .

HY-N11536

erythro-Austrobailignan-6	Topoisomerase Apoptosis	Cancer
erythro-Austrobailignan-6 is an orally active anti-cancer agent. erythro-Austrobailignan-6 inhibits DNA *topoisomerase* I and II activity. erythro-Austrobailignan-6 induces cell apoptosis and increases phosphorylation of p38 and JNK .

HY-N2306

Aclacinomycin A 3 Publications Verification Aclarubicin
Aclacinomycin A (Aclarubicin) is an orally active and potent anthracycline antitumor antibiotic. Aclacinomycin A is an inhibitor of topoisomerase I and II. Aclacinomycin A inhibits synthesis of nucleic acid, especially RNA. Aclacinomycin A might inhibit the 26S protease complex as well as the ubiquitin-ATP-dependent proteolysis .

HY-N2306A

Aclacinomycin A hydrochloride Aclarubicin hydrochloride	Topoisomerase DNA/RNA Synthesis Proteasome Antibiotic	Cancer
Aclacinomycin A (Aclarubicin) hydrochloride is an orally active and potent anthracycline antitumor antibiotic. Aclacinomycin A hydrochloride is an inhibitor of topoisomerase I and II. Aclacinomycin A hydrochloride inhibits synthesis of nucleic acid, especially RNA. Aclacinomycin A hydrochloride might inhibit the 26S protease complex as well as the ubiquitin-ATP-dependent proteolysis .

HY-15142A

Doxorubicin Hydroxydaunorubicin	ADC Cytotoxin Antibiotic Bacterial Topoisomerase AMPK HIV Autophagy Mitophagy Apoptosis HBV	Infection Cancer
Doxorubicin (Hydroxydaunorubicin), a broad-spectrum anthracycline antibiotic with cytotoxic properties, is an anti-cancer chemotherapy agent. Doxorubicin has fluorescence properties. Doxorubicin inhibits topoisomerase II with an IC₅₀ of 2.67 μM, thus stopping DNA replication. Doxorubicin reduces basal phosphorylation of AMPK and its downstream target acetyl-CoA carboxylase. Doxorubicin induces apoptosis and autophagy . Doxorubicin inhibits human *DNA topoisomerase* I with an IC₅₀** of 0.8 μM .

HY-101647

Intoplicine RP 60475	Topoisomerase	Cancer
Intoplicine (RP 60475), an antitumor derivative in the 7H-benzo[e]pyrido[4,3-b]indole series, is a *DNA topoisomerase* I** and II inhibitor. Intoplicine strongly binds DNA (K_A = 2 x 10 ⁵ /M) and thereby increases the length of linear DNA .

HY-B1099

Hycanthone 2 Publications Verification	DNA/RNA Synthesis Topoisomerase Parasite	Infection
Hycanthone is a thioxanthenone DNA intercalator and inhibits RNA synthesis as well as the DNA topoisomerases I and II. Hycanthone inhibits nucleic acid biosynthesis and inhibits apurinic endonuclease-1 (APE1) by direct protein binding with a K_D of 10 nM. Hycanthone is a bioactive metabolite of Lucanthone (HY-B2098) and has anti-schistosomal agent .

HY-101647A

Intoplicine dimesylate RP 60475 dimesylate	Topoisomerase	Cancer
Intoplicine (RP 60475) dimesylate, an antitumor derivative in the 7H-benzo[e]pyrido[4,3-b]indole series, is a *DNA topoisomerase* I** and II inhibitor. Intoplicine dimesylate strongly binds DNA (K_A = 2 x 10 ⁵ /M) and thereby increases the length of linear DNA .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N6800A

Netropsin dihydrochloride	Classification of Application Fields Inflammation/Immunology Disease Research Fields	DNA/RNA Synthesis Bacterial Influenza Virus Antibiotic Orthopoxvirus
Netropsin dihydrochloride is a small-molecule MGB (minor-groove binder), inhibits the catalytic activity of isolated topoisomerase and interferes with the stabilization of the cleavable complexes of topoisomerase II and I in nuclei . Netropsin dihydrochloride exhibits antiviral activity against the vaccinia virus .

HY-19825

Rebeccamycin	Structural Classification Microorganisms Classification of Application Fields Antibiotics Source classification Disease Research Anticancer Disease Research Fields Other Antibiotics Cancer	Topoisomerase ADC Cytotoxin Antibiotic
Rebeccamycin, an antitumor antibiotic, inhibits *DNA topoisomerase* I*. Rebeccamycin appears to exert its primary antineoplastic effect by poisoning topoisomerase* I and has negligible effect on protein kinase C and topoisomerase II .

HY-116933

Murrayanol	Alkaloids Structural Classification Rutaceae Murraya koenigii (L.) Spreng Plants Indole Alkaloids	Topoisomerase Bacterial
Murrayanol is a natural carbazole alkaloid with a variety of biological activities. Murrayanol shows anti-inflammatory, topoisomerase I and topoisomerase II (Topoisomerase) inhibition activities. Murrayanol also as a mosquitocidal and antimicrobial .

HY-N10367

Corydamine	Alkaloids Corydalis bulleyana Diels Classification of Application Fields Source classification Plants Isoquinoline Alkaloids Disease Research Fields Papaveraceae Cancer	Topoisomerase
Corydamine, 3-arylisoquinoline alkaloid, is a potent DNA topoisomerase I/II inhibitor. Corydamine has anti-cancer activity .

HY-121309

Doxorubicinone Adriamycin aglycone; Adriamycinone	Quinones Structural Classification Classification of Application Fields Anthraquinones Source classification Endogenous metabolite Disease Research Fields Cancer	Endogenous Metabolite
Doxorubicinone is a metabolite of an anti-cancer chemotherapy agent Doxorubicin . Doxorubicin is a potent human *DNA topoisomerase* I and topoisomerase II inhibitor with IC₅₀**s of 0.8 μM and 2.67 μM, respectively.

HY-N6714

Alternariol	Infection Microorganisms Classification of Application Fields Source classification Phenols Polyphenols Disease Research Fields	Topoisomerase
Alternariol is a mycotoxin produced by Alternaria species. AOH inhibits the catalytic activity of topoisomerase I and topoisomerase II enzymes . Alternariol exhibits a variety of therapeutic and biological properties such as phytotoxicity, cytotoxicity, anti-HIV, anti-cancer, and anti-microbial properties .

HY-119458

Luotonin A	Structural Classification Alkaloids Peganum nigellastrum Bunge Zygophyllaceae Source classification Quinoline Alkaloids Plants	Topoisomerase TMV Fungal
Luotonin A is an antiviral and antiphytopathogenic fungus agent. Luotonin A has good antiviral activity against tobacco mosaic virus (TMV). Luotonin A also has certain inhibitory activity on topoisomerase I and topoisomerase II. Luotonin A shows antitumor activity .

HY-15142

Doxorubicin hydrochloride Maximum Cited Publications 364 Publications Verification Hydroxydaunorubicin hydrochloride	Infection Quinones Structural Classification Microorganisms Classification of Application Fields Anthraquinones Source classification Disease Research Fields	Topoisomerase ADC Cytotoxin AMPK Autophagy Apoptosis HIV HBV Mitophagy Antibiotic Bacterial
Doxorubicin (Hydroxydaunorubicin) hydrochloride, a cytotoxic anthracycline antibiotic, is an anti-cancer chemotherapy agent. Doxorubicin hydrochloride is a potent human *DNA topoisomerase* I** and topoisomerase II inhibitor with IC₅₀s of 0.8 μM and 2.67 μM, respectively. Doxorubicin hydrochloride reduces basal phosphorylation of AMPK and its downstream target acetyl-CoA carboxylase. Doxorubicin hydrochloride induces apoptosis and autophagy .

HY-N11536

erythro-Austrobailignan-6	Structural Classification Saururaceae Saururus chinensis (Lour.) Baill. Source classification Lignans Phenylpropanoids Plants	Topoisomerase Apoptosis
erythro-Austrobailignan-6 is an orally active anti-cancer agent. erythro-Austrobailignan-6 inhibits DNA *topoisomerase* I and II activity. erythro-Austrobailignan-6 induces cell apoptosis and increases phosphorylation of p38 and JNK .

HY-N2306A

Aclacinomycin A hydrochloride Aclarubicin hydrochloride	Quinones Structural Classification Microorganisms Classification of Application Fields Anthraquinones Source classification Phenols Polyphenols Disease Research Fields Cancer	Topoisomerase DNA/RNA Synthesis Proteasome Antibiotic
Aclacinomycin A (Aclarubicin) hydrochloride is an orally active and potent anthracycline antitumor antibiotic. Aclacinomycin A hydrochloride is an inhibitor of topoisomerase I and II. Aclacinomycin A hydrochloride inhibits synthesis of nucleic acid, especially RNA. Aclacinomycin A hydrochloride might inhibit the 26S protease complex as well as the ubiquitin-ATP-dependent proteolysis .

HY-15142A

Doxorubicin Hydroxydaunorubicin	Infection Quinones Structural Classification Microorganisms Classification of Application Fields Anthraquinones Source classification Phenols Polyphenols Disease Research Fields	ADC Cytotoxin Antibiotic Bacterial Topoisomerase AMPK HIV Autophagy Mitophagy Apoptosis HBV
Doxorubicin (Hydroxydaunorubicin), a broad-spectrum anthracycline antibiotic with cytotoxic properties, is an anti-cancer chemotherapy agent. Doxorubicin has fluorescence properties. Doxorubicin inhibits topoisomerase II with an IC₅₀ of 2.67 μM, thus stopping DNA replication. Doxorubicin reduces basal phosphorylation of AMPK and its downstream target acetyl-CoA carboxylase. Doxorubicin induces apoptosis and autophagy . Doxorubicin inhibits human *DNA topoisomerase* I with an IC₅₀** of 0.8 μM .

Cat. No.	Product Name	Chemical Structure

HY-121309S

Doxorubicinone-d3
Doxorubicinone-d₃ is the deuterium labeled Doxorubicinone. Doxorubicinone is a metabolite of an anti-cancer chemotherapy agent Doxorubicin[1]. Doxorubicin is a potent human DNA topoisomerase I and topoisomerase II inhibitor with IC50s of 0.8 μM and 2.67 μM, respectively.

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topoisomerases I and II

Inhibitors & Agonists

NaturalProducts

Isotope-Labeled Compounds

Natural
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