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Pathways Recommended:	Cell Cycle/DNA Damage

Results for "

DNA gyrase inhibitor

" in MedChemExpress (MCE) Product Catalog:

By Targets:	DNA Glycosylase (1) DNA Methyltransferase (1) DNA/RNA Synthesis (97) Aminopeptidase (1) Antibiotic (83) Apoptosis (8) Bacterial (151) Beta-lactamase (1) Cytochrome P450 (1) Dihydrofolate reductase (DHFR) (1) Drug Derivative (1) Drug Metabolite (5) Endogenous Metabolite (3) Farnesyl Transferase (1) Fungal (1) HCV (1) HCV Protease (1) HDAC (2) HSP (3) Interleukin Related (3) Isotope-Labeled Compounds (16) JAK (1) MicroRNA (5) Orthopoxvirus (13) Parasite (8) PPAR (1) Proton Pump (2) Reactive Oxygen Species (ROS) (1) Reference Standards (25) TGF-beta/Smad (2) Topoisomerase (69)
By Research Areas:	Cancer (24) Infection (157) Inflammation/Immunology (21) Metabolic Disease (1) Neurological Disease (3)

By Targets:

DNA Glycosylase (1)

DNA Methyltransferase (1)

DNA/RNA Synthesis (97)

Aminopeptidase (1)

Antibiotic (83)

Apoptosis (8)

Bacterial (151)

Beta-lactamase (1)

Cytochrome P450 (1)

Dihydrofolate reductase (DHFR) (1)

Drug Derivative (1)

Drug Metabolite (5)

Endogenous Metabolite (3)

Farnesyl Transferase (1)

Fungal (1)

HCV (1)

HCV Protease (1)

HDAC (2)

HSP (3)

Interleukin Related (3)

Isotope-Labeled Compounds (16)

JAK (1)

MicroRNA (5)

Orthopoxvirus (13)

Parasite (8)

PPAR (1)

Proton Pump (2)

Reactive Oxygen Species (ROS) (1)

Reference Standards (25)

TGF-beta/Smad (2)

Topoisomerase (69)

By Research Areas:

Cancer (24)

Infection (157)

Inflammation/Immunology (21)

Metabolic Disease (1)

Neurological Disease (3)

165

Inhibitors & Agonists

Peptides

Natural
Products

Isotope-Labeled Compounds

Targets Recommended: DNA-PK DNA Glycosylase DNA Methyltransferase DNA Stain DNA Alkylator/Crosslinker DNA/RNA Synthesis

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-B0330

Levofloxacin Maximum Cited Publications 35 Publications Verification (-)-Ofloxacin	Topoisomerase DNA/RNA Synthesis Antibiotic Bacterial Orthopoxvirus	Infection Cancer
Levofloxacin ((-)-Ofloxacin) is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria. Levofloxacin inhibits the **DNA gyrase and topoisomerase IV**. Levofloxacin can be used for chronic periodontitis, airway inflammation and BK Viremia research. Levofloxacin shows anti-orthopoxvirus activity .

HY-B0425

Novobiocin 10+ Cited Publications Albamycin; Cathomycin	Antibiotic DNA/RNA Synthesis HSP Apoptosis Bacterial Orthopoxvirus	Infection Cancer
Novobiocin (Albamycin) is a potent and orally active antibiotic. Novobiocin also is a **DNA gyrase** inhibitor and a heat shock protein 90 (Hsp90) antagonist. Novobiocin has the potential for the research of highly beta-lactam-resistant pneumococcal infections. Novobiocin shows anti-orthopoxvirus activity .

HY-B0425A

Novobiocin sodium 10+ Cited Publications Albamycin sodium; Cathomycin sodium	Bacterial Antibiotic Orthopoxvirus Apoptosis DNA/RNA Synthesis HSP	Infection Cancer
Novobiocin (Albamycin) sodium is a potent and orally active antibiotic. Novobiocin sodium also is a **DNA gyrase** inhibitor and a heat shock protein 90 (Hsp90) antagonist. Novobiocin sodium has the potential for the research of highly beta-lactam-resistant pneumococcal infections. Novobiocin sodium shows anti-orthopoxvirus activity .

HY-N2033

Chebulinic acid 3 Publications Verification	DNA/RNA Synthesis TGF-beta/Smad Proton Pump	Infection
Chebulinic acid is a potent natural inhibitor of M. tuberculosis DNA gyrase, also can inhibit SMAD-3 phosphorylation, inhibit H+ K+-ATPase activity.

HY-N7452

Coumermycin A1 Maximum Cited Publications 27 Publications Verification	JAK Bacterial Orthopoxvirus	Metabolic Disease
Coumermycin A1 is a JAK2 signal activator. Coumermycin A1 inhibits **DNA Gyrase** which thereby inhibits cell division in bacteria. Coumermycin A1 shows anti-orthopoxvirus activity.

HY-B0398

Nalidixic acid 2 Publications Verification	Bacterial Antibiotic Topoisomerase	Infection
Nalidixic acid, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of **DNA gyrase and topoisomerase IV** and reversibly blocks DNA replication in susceptible bacteria .

HY-B0330A

Levofloxacin hydrate Maximum Cited Publications 35 Publications Verification Levofloxacin hemihydrate	Bacterial Antibiotic Topoisomerase DNA/RNA Synthesis Orthopoxvirus	Infection Cancer
Levofloxacin hydrate (Levofloxacin hemihydrate) is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria. Levofloxacin hydrate inhibits the **DNA gyrase and topoisomerase IV**. Levofloxacin hydrate can be used for chronic periodontitis, airway inflammation and BK Viremia research. Levofloxacin hydrate shows anti-orthopoxvirus activity .

HY-B0132

Norfloxacin 5 Publications Verification MK-0366	Bacterial Endogenous Metabolite Antibiotic	Infection
Norfloxacin (MK-0366) is a broad-spectrum antibiotic that is active against both Gram-positive and Gram-negative bacteria, which functions by inhibiting DNA gyrase.

HY-B0147

Pefloxacin 3 Publications Verification Pefloxacinium	Antibiotic Bacterial Parasite DNA/RNA Synthesis Topoisomerase	Infection Inflammation/Immunology
Pefloxacin (Pefloxacinium) is a broad spectrum antibiotic. Pefloxacin blocks DNA replication by inhibiting **DNA gyrase*. Pefloxacin inhibits* DNA relaxation catalyzed by topoisomerase I with an IC₅₀ of 45 μg/mL. Pefloxacin exhibits antibacterial activity against Escherichia coli, Pseudomonas aeruginosa, and Bacteroides fragilis with MIC₉₀s of 0.12, 4, and 16 mg/L, respectively. Pefloxacin has anti-Plasmodium yoelii infection activity. Pefloxacin increase UVA-induced edema and immunesuppression. Pefloxacin can be used for infection studies .

HY-B1050

Gemifloxacin mesylate SB-265805S; LB-20304a	Bacterial Antibiotic DNA/RNA Synthesis Topoisomerase	Infection
Gemifloxacin mesylate (SB-265805S; LB-20304a) is an orally active broad-spectrum quinolone antibacterial antibiotic. Gemifloxacin mesylate inhibits DNA synthesis by inhibiting **DNA gyrase and Topoisomerase IV** activities. Gemifloxacin mesylate has potent antibacterial activities against gram-positive bacteria in vitro efficacy study, particularly Streptococci and Staphylococci. Gemifloxacin mesylate has been used in the research of respiratory tract infections .

HY-B0398A

Nalidixic acid sodium salt 2 Publications Verification	Bacterial Antibiotic Topoisomerase	Infection
Nalidixic acid sodium salt, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of **DNA gyrase and topoisomerase IV** and reversibly blocks DNA replication in susceptible bacteria .

HY-17647

Zoliflodacin 5+ Cited Publications ETX0914; AZD0914	DNA/RNA Synthesis Bacterial Antibiotic	Infection
Zoliflodacin (ETX0914;AZD0914) is a novel spiropyrimidinetrione bacterial DNA gyrase/topoisomerase inhibitor. Zoliflodacin has potent in vitro antibacterial activity against Gram-positive and Gram-negative organisms, including S. aureus with the MIC₉₀ of 0.25 μg/mL.

HY-W011117

Danofloxacin	Bacterial DNA/RNA Synthesis Antibiotic	Infection
Danofloxacin is an orally active quinolone antibiotic. Danofloxacin targets bacterial DNA gyrase and inhibits bacterial DNA replication, transcription and growth. Danofloxacin can be used for various bacterial infections caused by Escherichia coli, Mycoplasma and other pathogens .

HY-B1210

Pipemidic acid 1 Publications Verification	Bacterial Antibiotic	Infection
Pipemidic acid , a derivative of Piromidic acid, is an antibacterial agent. Pipemidic acid inhibits DNA gyrase. Pipemidic acid is active against gram-negative bacteria including Pseudomonas aeruginosa as well as some gram-positive bacteria. Pipemidic acid can be used for the research of intestinal, urinary, and biliary tract infections .

HY-B0147A

Pefloxacin mesylate 3 Publications Verification Pefloxacinium mesylate	Topoisomerase DNA/RNA Synthesis Antibiotic Bacterial Parasite	Infection Inflammation/Immunology
Pefloxacin (Pefloxacinium) mesylate is a broad spectrum antibiotic. Pefloxacin blocks DNA replication by inhibiting **DNA gyrase*. Pefloxacin mesylate inhibits* DNA relaxation catalyzed by topoisomerase I with an IC₅₀ of 45 μg/mL. Pefloxacin mesylate exhibits antibacterial activity against Escherichia coli, Pseudomonas aeruginosa, and Bacteroides fragilis with MIC₉₀s of 0.12, 4, and 16 mg/L, respectively. Pefloxacin mesylate has anti-Plasmodium yoelii infection activity. Pefloxacin mesylate increase UVA-induced edema and immunesuppression. Pefloxacin mesylate can be used for infection studies .

HY-B0330S

Levofloxacin-d8 (-)-Ofloxacin-d₈	Bacterial Antibiotic	Infection
Levofloxacin-d₈ is the deuterium labeled Levofloxacin. Levofloxacin, a synthetic fluoroquinolone, is an antibacterial agent that inhibits the supercoiling activity of bacterial DNA gyrase, halting DNA replication.

HY-16742B

Gepotidacin mesylate hydrate 10+ Cited Publications	Antibiotic Bacterial Topoisomerase	Infection
Gepotidacin mesylate hydrate is an orally active triazaacenaphthylene antibiotic and bacterial type II topoisomerase inhibitor. Gepotidacin mesylate hydrate inhibits bacterial DNA replication by blocking topoisomerase enzymes. Gepotidacin mesylate hydrate selectively inhibits topoisomerase IV and the B subunit of DNA gyrase .

HY-162959

BWC0977	Bacterial Topoisomerase DNA/RNA Synthesis	Infection
BWC0977 is an antibacterial agent that inhibits bacterial DNA replication via inhibition of **DNA gyrase and topoisomerase IV**. BWC0977 exhibits a minimum inhibitory concentration (MIC₉₀) of 0.03-2 µg/mL against MDR (Multi-Drug Resistant) Gram-negative bacteria .

HY-B0132S

Norfloxacin-d5	Bacterial Antibiotic	Infection
Norfloxacin-d₅ is the deuterium labeled Norfloxacin. Norfloxacin is a broad-spectrum antibiotic that is active against both Gram-positive and Gram-negative bacteria, which functions by inhibiting DNA gyrase .

HY-B0132R

Norfloxacin (Standard) MK-0366 (Standard)	Reference Standards Bacterial Endogenous Metabolite Antibiotic	Infection
Norfloxacin (Standard) is the analytical standard of Norfloxacin. This product is intended for research and analytical applications. Norfloxacin (MK-0366) is a broad-spectrum antibiotic that is active against both Gram-positive and Gram-negative bacteria, which functions by inhibiting DNA gyrase.

HY-123515

Clorobiocin		Infection
Clorobiocin is an antibacterial agent with an IC₅₀ of 0.21 μM against the B subunit of E. coli DNA gyrase. Clorobiocin targets the mLaC protein of Gram-negative bacteria. Clorobiocin potently inhibits bacterial DNA replication. Clorobiocin can be used in studies on Gram-negative bacterial infections, such as Acinetobacter baumannii and E. coli infections .

HY-135389

Desmethyl Levofloxacin	Drug Metabolite Antibiotic	Infection
Desmethyl Levofloxacin is a metabolite of Levofloxacin. Levofloxacin, a synthetic fluoroquinolone, is an antibacterial agent that inhibits the supercoiling activity of bacterial **DNA gyrase*, halting DNA* replication .

HY-N2150

Psammaplin A	HDAC DNA Methyltransferase DNA/RNA Synthesis Bacterial Aminopeptidase Farnesyl Transferase PPAR Apoptosis	Infection Inflammation/Immunology Cancer
Psammaplin A is a marine metabolite. Psammaplin A is a selective HDAC1 (IC₅₀: 45 nM), DNA methyltransferases (IC₅₀: 18.6 nM) and aminopeptidase N (APN) (IC₅₀: 18 μM) inhibitor. Psammaplin A also inhibits DNA topoisomerase and farnesyl protein transferase. Psammaplin A is a PPARγ activator and induces apoptosis. Psammaplin A has antitumor and anti-inflammatory activities. Psammaplin A has antibacterial activity against Gram-positive bacteria and inhibits DNA synthesis and DNA gyrase activity. Psammaplin A inhibits angiogenesis .

HY-B0343C

Sarafloxacin hydrochloride 100 μg/mL in methanol 2 Publications Verification	Bacterial
Sarafloxacin hydrochloride 100 μg/mL in methanol is an antibiotic with activity to inhibit bacterial growth. Sarafloxacin hydrochloride 100 μg/mL in methanol is widely used in veterinary medicine to inhibit bacterial infections. The mechanism of action of Sarafloxacin hydrochloride 100 μg/mL in methanol is mainly achieved by inhibiting the activity of bacterial DNA gyrase. Sarafloxacin hydrochloride 100 μg/mL in methanol is also used in animal feed to improve feed conversion and promote growth.

HY-W013766

Pipemidic acid trihydrate 1 Publications Verification	Bacterial Antibiotic	Infection
Pipemidic acid trihydrate, a derivative of Piromidic acid, is an antibacterial agent. Pipemidic acid trihydrate inhibits DNA gyrase. Pipemidic acid trihydrate is active against gram-negative bacteria including Pseudomonas aeruginosa as well as some gram-positive bacteria. Pipemidic acid trihydrate can be used for the research of intestinal, urinary, and biliary tract infections .

HY-175539

DNA gyrase/Topo IV-IN-2	Bacterial Topoisomerase DNA/RNA Synthesis	Infection
DNA gyrase/Topo IV-IN-2 (Compound AK19) is an antibacterial agent with IC₅₀ values of 0.783 μM and 7.136 μM against E. coli **DNA gyrase and topoisomerase IV*, respectively. DNA* gyrase/Topo IV-IN-2 exhibits broad-spectrum antibacterial efficacy against both Gram-positive and Gram-negative pathogens. DNA gyrase/Topo IV-IN-2 can inhibit the biofilms of B. subtilis and MRSA, with an MIC of 1.9 μM against both B. subtilis and MRSA. DNA gyrase/Topo IV-IN-2 can be used in research related to anti-drug-resistant bacterial drugs .

HY-125631

Cyclothialidine Ro 09-1437	DNA/RNA Synthesis Bacterial	Infection
Cyclothialidine ( Ro 09-1437) is a potent **DNA gyrase** inhibitor isolated from Streptomyces filipinensisNR0484 .

HY-B0132A

Norfloxacin hydrochloride MK-0366 hydrochloride	Bacterial Antibiotic	Infection
Norfloxacin hydrochloride (MK-0366 hydrochloride) is a broad-spectrum antibiotic that is active against both Gram-positive and Gram-negative bacteria, which functions by inhibiting DNA gyrase.

HY-P3473

Evybactin	Bacterial DNA/RNA Synthesis	Infection
Evybactin is a **DNA gyrase** inhibitor. Evybactin is a selective inhibitor of Mycobacterium tuberculosis with a MIC value of 0.25 µg/mL. Evybactin is the first antimicrobial compound found to employ this unusual mechanism of selectivity .

HY-156014

qsl-304	DNA/RNA Synthesis	Infection
qsl-304 is a DNA gyrase B inhibitor. qsl-304 is an antibacterial agent, with an IC₅₀ of 31.23 mg/mL against the Staphylococcus aureus sa-P2003 .

HY-N2033R

Chebulinic acid (Standard)	Reference Standards DNA/RNA Synthesis TGF-beta/Smad Proton Pump	Infection
Chebulinic acid (Standard) is the analytical standard of Chebulinic acid. This product is intended for research and analytical applications. Chebulinic acid is a potent natural inhibitor of M. tuberculosis DNA gyrase, also can inhibit SMAD-3 phosphorylation, inhibit H+ K+-ATPase activity.

HY-101472

Closthioamide	Bacterial	Infection
Closthioamide is a potent inhibitor of bacterial DNA gyrase and highly active against Ec, MRSA, VRE and Mv), with MICs of 9.00 μM, 0.58 μM, 0.58 μM and 72.03 μM respectively.

HY-125117

Simocyclinone D8	DNA/RNA Synthesis Bacterial	Infection Cancer
Simocyclinone D8 is an anthracycline antibiotic with antibacterial and antitumor activity against Gram-positive bacteria. Simocyclinone D8 inhibits **DNA gyrase** and thus has an inhibitory effect on a variety of tumor cell lines .

HY-162959A

BWC0977 formic	Bacterial Topoisomerase DNA/RNA Synthesis	Infection
BWC0977 formic is an antibacterial agent that inhibits bacterial DNA replication via inhibition of **DNA gyrase and topoisomerase IV**. BWC0977 formic exhibits a minimum inhibitory concentration (MIC₉₀) of 0.03-2 µg/mL against MDR (Multi-Drug Resistant) Gram-negative bacteria .

HY-B0398S

Nalidixic Acid-d5	Isotope-Labeled Compounds Bacterial Antibiotic Topoisomerase	Infection
Nalidixic Acid-d₅ is the deuterium labeled Nalidixic acid. Nalidixic acid, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of DNA gyrase and topoisomerase IV and reversibly blocks DNA replication in susceptible bacteria .

HY-B0398R

Nalidixic acid (Standard)	Reference Standards Bacterial Antibiotic Topoisomerase	Infection
Nalidixic acid (Standard) is the analytical standard of Nalidixic acid. This product is intended for research and analytical applications. Nalidixic acid, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of **DNA gyrase and topoisomerase IV** and reversibly blocks DNA replication in susceptible bacteria .

HY-115990

Topoisomerase IV inhibitor 1	Topoisomerase Bacterial	Infection
Topoisomerase IV inhibitor 2 (compound 7d) is a potent DNA topoisomerase IV (TOPO IV) inhibitor with IC₅₀s of 0.23 μM and 0.43 μM for TOPO IV and DNA gyrase, respectively. Topoisomerase IV inhibitor 2 has anti-bacterial activity, with MICs of 0.972 μM and 0.608 μM in Staphylococcus aureus Newman and Escherichia coli ATCC8739, respectively .

HY-B0330C

Levofloxacin sodium (-)-Ofloxacin sodium	Antibiotic Orthopoxvirus Bacterial DNA/RNA Synthesis Topoisomerase	Infection Inflammation/Immunology Cancer
Levofloxacin ((-)-Ofloxacin) sodium is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria. Levofloxacin sodium inhibits the **DNA gyrase and topoisomerase IV**. Levofloxacin sodium can be used for chronic periodontitis, airway inflammation and BK Viremia research. Levofloxacin sodium shows anti-orthopoxvirus activity .

HY-161756

DNA Gyrase-IN-10	DNA/RNA Synthesis Bacterial	Infection
DNA Gyrase-IN-10 is a potent **DNA gyrase** inhibitor with potent antibacterial effects. DNA Gyrase-IN-10 has inhibitory effects on both Gram-positive and Gram-negative bacteria .

HY-143483

NBTIs-IN-5	Bacterial	Infection
NBTIs-IN-5 (Compound 5r) is a NBTI (Novel Bacterial Topoisomerase Inhibitor) **DNA gyrase** inhibitor with an IC₅₀ of 1.5 μM against Mycobacterium abscessus (Mabs) DNA gyrase. NBTIs-IN-5 inhibits Mabs bamboo bacterial growth with an MIC₉₀ of 0.4 μM .

HY-143484

844-TFM	Bacterial	Infection
844-TFM is a NBTI (novel bacterial topoisomerase inhibitor) **DNA gyrase** inhibitor, with an IC₅₀ of 1.5 μM. 844-TFM exhibits bactericidal properties against M. abscessus .

HY-168511

DNA Gyrase-IN-13	DNA/RNA Synthesis Bacterial	Infection
DNA Gyrase-IN-13 (compound 1b) is a **DNA Gyrase** inhibitor. DNA Gyrase-IN-13 has antibacterial activity. DNA Gyrase-IN-13 has an IC₅₀ value of 1.81 μM for Staphylococcus aureus DNA gyrase .

HY-147945

DNA gyrase B-IN-1	DNA/RNA Synthesis Bacterial	Infection
DNA gyrase B-IN-1 (compound 13) is a potent DNA gyrase B inhibitor. DNA gyrase B-IN-1 shows inhibition of P. aeruginosa DNA gyrase B, with an IC₅₀ of 2.2 μM. DNA gyrase B-IN-1 has good binding affinity and stability .

HY-149294

DNA Gyrase-IN-8	DNA/RNA Synthesis Bacterial	Infection
DNA Gyrase-IN-8 is a potent **DNA gyrase** inhibitor with an IC₅₀ value of 8.45 µM. DNA Gyrase-IN-8 shows antimicrobial activity .

HY-172962

DNA Gyrase-IN-17	DNA/RNA Synthesis Bacterial	Infection
DNA Gyrase-IN-17 (Compound 5C) is a **DNA Gyrase** inhibitor. DNA Gyrase-IN-17 exhibits significant antibacterial activity against a variety of Gram-positive and Gram-negative strains (such as Enterococcus faecalis, Escherichia coli, Pseudomonas aeruginosa, etc.), with a MIC value of 62.5 μg/mL. DNA Gyrase-IN-17 interferes with DNA replication by inhibiting bacterial DNA gyrase. DNA Gyrase-IN-17 can be used in the development of antibacterial drugs, especially for the study of drug-resistant strains .

HY-168648

DNA Gyrase/DHFR-IN-1	Bacterial Fungal Dihydrofolate reductase (DHFR)	Infection
DNA Gyrase/DHFR-IN-1 is a dual inhibitor of bacterial **DNA gyrase and DHFR*, with IC₅₀s of 182 μM and 3.90 μM for E. coli DNA* gyrase and DHFR respectively. DNA Gyrase/DHFR-IN-1 has bactericidal and antifungal activity .

HY-149851

DNA Gyrase-IN-7	DNA/RNA Synthesis Bacterial	Infection
DNA Gyrase-IN-7 (compound 6d) is a novel Microbial DNA-Gyrase inhibitor .

HY-147818

DNA Gyrase-IN-2	Bacterial DNA/RNA Synthesis	Infection
DNA Gyrase-IN-2 (Compound 22a) is a *bacterial DNA* gyrase B** inhibitor with IC₅₀s of 3.29-10.49 and 4.41-5.61 µM for E. coli DNA gyrase and M. tuberculosis DNA gyrase. Anti-tubercular and antibacterial activity .

HY-161788

DNA Gyrase-IN-11	DNA/RNA Synthesis Bacterial	Infection
DNA Gyrase-IN-11 (Compound 23Be) is an inhibitor for protein synthesis (IC₅₀ is 0.74 μM) and DNA replication. DNA Gyrase-IN-11 inhibits DNA gyrase, that inhibits E. coli DNA supercoiling with IC₅₀ of 11.9 μM. DNA Gyrase-IN-11 exhibits antibacterial efficacy, that inhibits Streptococcus pneumoniae, Streptococcus pyogenes, Haemophilus influenzae and Staphylococcus aureus, with MICs of 0.008-0.25 μg/mL .

HY-149534

DNA Gyrase-IN-9	DNA/RNA Synthesis Bacterial	Infection
DNA Gyrase-IN-9 (compound 4j) is an antibacterial agent that targets DNA gyrase. The MIC to inhibit Gram bacteria is 0.5-2 μg/mL, and the MBC to kill Gram bacteria is 2-8 μg/mL. DNA Gyrase-IN-9 inhibits DNA gyrase in Staphylococcus aureus with IC₅₀=6.29 μg/mL .

Cat. No.	Product Name	Target	Research Area

HY-P3473

Evybactin	Bacterial DNA/RNA Synthesis	Infection
Evybactin is a **DNA gyrase** inhibitor. Evybactin is a selective inhibitor of Mycobacterium tuberculosis with a MIC value of 0.25 µg/mL. Evybactin is the first antimicrobial compound found to employ this unusual mechanism of selectivity .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-B0425A

Novobiocin sodium 10+ Cited Publications Albamycin sodium; Cathomycin sodium	Microorganisms Anti-inflammation/Immunoregulatory Classification of Application Fields Antibiotics Antiviral Antibacterial Disease Research Disease Research Fields Other Antibiotics Source Classification Cancer	Bacterial Antibiotic Orthopoxvirus Apoptosis DNA/RNA Synthesis HSP
Novobiocin (Albamycin) sodium is a potent and orally active antibiotic. Novobiocin sodium also is a **DNA gyrase** inhibitor and a heat shock protein 90 (Hsp90) antagonist. Novobiocin sodium has the potential for the research of highly beta-lactam-resistant pneumococcal infections. Novobiocin sodium shows anti-orthopoxvirus activity .

HY-N2033

Chebulinic acid 3 Publications Verification	Infection Classification of Application Fields Combretaceae Phenols Polyphenols Terminalia chebula Retz. Plants Disease Research Fields Source Classification	DNA/RNA Synthesis TGF-beta/Smad Proton Pump
Chebulinic acid is a potent natural inhibitor of M. tuberculosis DNA gyrase, also can inhibit SMAD-3 phosphorylation, inhibit H+ K+-ATPase activity.

HY-N7452

Coumermycin A1 Maximum Cited Publications 27 Publications Verification	Microorganisms Antibiotics Source Classification	JAK Bacterial Orthopoxvirus
Coumermycin A1 is a JAK2 signal activator. Coumermycin A1 inhibits **DNA Gyrase** which thereby inhibits cell division in bacteria. Coumermycin A1 shows anti-orthopoxvirus activity.

HY-B0398

Nalidixic acid 2 Publications Verification	Infection Microorganisms Classification of Application Fields Antibiotics Resistance Selection Antibacterial Disease Research Disease Research Fields Other Antibiotics Source Classification	Bacterial Antibiotic Topoisomerase
Nalidixic acid, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of **DNA gyrase and topoisomerase IV** and reversibly blocks DNA replication in susceptible bacteria .

HY-B0132

Norfloxacin 5 Publications Verification MK-0366	Infection Classification of Application Fields Ketones, Aldehydes, Acids Endogenous metabolite Disease Research Fields Source Classification	Bacterial Endogenous Metabolite Antibiotic
Norfloxacin (MK-0366) is a broad-spectrum antibiotic that is active against both Gram-positive and Gram-negative bacteria, which functions by inhibiting DNA gyrase.

HY-B0147

Pefloxacin 3 Publications Verification Pefloxacinium	Infection Classification of Application Fields Disease Research Fields	Antibiotic Bacterial Parasite DNA/RNA Synthesis Topoisomerase
Pefloxacin (Pefloxacinium) is a broad spectrum antibiotic. Pefloxacin blocks DNA replication by inhibiting **DNA gyrase*. Pefloxacin inhibits* DNA relaxation catalyzed by topoisomerase I with an IC₅₀ of 45 μg/mL. Pefloxacin exhibits antibacterial activity against Escherichia coli, Pseudomonas aeruginosa, and Bacteroides fragilis with MIC₉₀s of 0.12, 4, and 16 mg/L, respectively. Pefloxacin has anti-Plasmodium yoelii infection activity. Pefloxacin increase UVA-induced edema and immunesuppression. Pefloxacin can be used for infection studies .

HY-B0132R

Norfloxacin (Standard) MK-0366 (Standard)	Structural Classification Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Reference Standards Bacterial Endogenous Metabolite Antibiotic
Norfloxacin (Standard) is the analytical standard of Norfloxacin. This product is intended for research and analytical applications. Norfloxacin (MK-0366) is a broad-spectrum antibiotic that is active against both Gram-positive and Gram-negative bacteria, which functions by inhibiting DNA gyrase.

HY-N2150

Psammaplin A	Structural Classification Classification of Application Fields Marine natural products Antibacterial Disease Research Other Antibiotics Infection Microorganisms Animals Antibiotics Phenols Polyphenols Sponge Anticancer Disease Research Fields Source Classification	HDAC DNA Methyltransferase DNA/RNA Synthesis Bacterial Aminopeptidase Farnesyl Transferase PPAR Apoptosis
Psammaplin A is a marine metabolite. Psammaplin A is a selective HDAC1 (IC₅₀: 45 nM), DNA methyltransferases (IC₅₀: 18.6 nM) and aminopeptidase N (APN) (IC₅₀: 18 μM) inhibitor. Psammaplin A also inhibits DNA topoisomerase and farnesyl protein transferase. Psammaplin A is a PPARγ activator and induces apoptosis. Psammaplin A has antitumor and anti-inflammatory activities. Psammaplin A has antibacterial activity against Gram-positive bacteria and inhibits DNA synthesis and DNA gyrase activity. Psammaplin A inhibits angiogenesis .

HY-N2033R

Chebulinic acid (Standard)	Structural Classification Combretaceae Phenols Polyphenols Terminalia chebula Retz. Plants Source Classification	Reference Standards DNA/RNA Synthesis TGF-beta/Smad Proton Pump
Chebulinic acid (Standard) is the analytical standard of Chebulinic acid. This product is intended for research and analytical applications. Chebulinic acid is a potent natural inhibitor of M. tuberculosis DNA gyrase, also can inhibit SMAD-3 phosphorylation, inhibit H+ K+-ATPase activity.

HY-101472

Closthioamide	Infection Microorganisms Classification of Application Fields Antibiotics Phenols Polyphenols Antibacterial Disease Research Disease Research Fields Other Antibiotics Source Classification	Bacterial
Closthioamide is a potent inhibitor of bacterial DNA gyrase and highly active against Ec, MRSA, VRE and Mv), with MICs of 9.00 μM, 0.58 μM, 0.58 μM and 72.03 μM respectively.

HY-125117

Simocyclinone D8	Microorganisms Antibiotics Source Classification	DNA/RNA Synthesis Bacterial
Simocyclinone D8 is an anthracycline antibiotic with antibacterial and antitumor activity against Gram-positive bacteria. Simocyclinone D8 inhibits **DNA gyrase** and thus has an inhibitory effect on a variety of tumor cell lines .

HY-B0398R

Nalidixic acid (Standard)	Structural Classification Microorganisms Antibiotics Resistance Selection Antibacterial Disease Research Other Antibiotics Source Classification	Reference Standards Bacterial Antibiotic Topoisomerase
Nalidixic acid (Standard) is the analytical standard of Nalidixic acid. This product is intended for research and analytical applications. Nalidixic acid, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of **DNA gyrase and topoisomerase IV** and reversibly blocks DNA replication in susceptible bacteria .

HY-141442

Dihydronovobiocin	Microorganisms Antibiotics Other Antibiotics Source Classification	Bacterial Antibiotic
Dihydronovobiocin is a bacterial inhibitor and ATPase inhibitor that can bind to GyrB. Dihydronovobiocin can be used to study the interaction between coumarin antibiotics (such as Novobiocin, Chlorobiocin, and Coumermycin) and DNA gyrase. Dihydronovobiocin also has the potential to study bacterial infections .

Cat. No.	Product Name	Chemical Structure

HY-B0330S

Levofloxacin-d8
Levofloxacin-d₈ is the deuterium labeled Levofloxacin. Levofloxacin, a synthetic fluoroquinolone, is an antibacterial agent that inhibits the supercoiling activity of bacterial DNA gyrase, halting DNA replication.

HY-B0132S

Norfloxacin-d5
Norfloxacin-d₅ is the deuterium labeled Norfloxacin. Norfloxacin is a broad-spectrum antibiotic that is active against both Gram-positive and Gram-negative bacteria, which functions by inhibiting DNA gyrase .

HY-B0398S

Nalidixic Acid-d5

Nalidixic Acid-d₅ is the deuterium labeled Nalidixic acid. Nalidixic acid, a quinolone antibiotic, is effective against both gram-positive and gram-negative bacteria. Nalidixic acid acts in a bacteriostatic manner in lower concentrations and is bactericidal in higher concentrations. Nalidixic acid inhibits a subunit of DNA gyrase and topoisomerase IV and reversibly blocks DNA replication in susceptible bacteria .

HY-B0268S1

Enoxacin-d8 hydrochloride

Enoxacin-d₈ (hydrochloride) is deuterium labeled Enoxacin. Enoxacin (AT 2266), a fluoroquinolone, interferes with DNA replication and inhibits bacterial DNA gyrase (IC₅₀=126 μg/ml) and topoisomerase IV (IC₅₀=26.5 μg/ml). Enoxacin is a miRNA processing activator and enhances siRNA-mediated mRNA degradation and promotes the biogenesis of endogenous miRNAs. Enoxacin has potent activities against gram-positive and -negative bacteria. Enoxacin is a cancer-specific growth inhibitor that acts by enhancing TAR RNA-binding protein 2 (TRBP)-mediated microRNA processing .

HY-B0724BS

Pazufloxacin-d4

Pazufloxacin-d₄ is deuterium labeled Pazufloxacin (HY-B0724B). Pazufloxacin is an orally active fluoroquinolone antimicrobial agent. Pazufloxacin inhibits DNA gyrase with IC₅₀ values of 0.88 μg/mL (E. coli) and 1.9 μg/mL (P. aeruginosa). Pazufloxacin exhibits broad-spectrum antimicrobial activity, with MIC₉₀ values ranging from 0.025 to 100 μg/mL against Gram-positive and Gram-negative bacteria, non-fermenting bacteria, Legionella spp., and anaerobic bacteria. Pazufloxacin is indicated for research on systemic infections, lung infections, urinary tract infections, and Legionella pneumonia .

HY-B0330S1

(S)-Ofloxacin-d3
(S)-Ofloxacin-d₃ is the deuterium labeled Levofloxacin. Levofloxacin, a synthetic fluoroquinolone, is an antibacterial agent that inhibits the supercoiling activity of bacterial DNA gyrase, halting DNA replication.

HY-135389S

Desmethyl Levofloxacin-d8 hydrochloride
Desmethyl Levofloxacin-d8 hydrochloride is the deuterium labeled Desmethyl Levofloxacin. Desmethyl Levofloxacin is a metabolite of Levofloxacin. Levofloxacin, a synthetic fluoroquinolone, is an antibacterial agent that inhibits the supercoiling activity of bacterial **DNA gyrase*, halting DNA* replication .

HY-135389S1

Desmethyl Levofloxacin-d8
Desmethyl Levofloxacin-d₈ is deuterium labeled Desmethyl Levofloxacin. Desmethyl Levofloxacin is a metabolite of Levofloxacin. Levofloxacin, a synthetic fluoroquinolone, is an antibacterial agent that inhibits the supercoiling activity of bacterial DNA gyrase, halting DNA replication .

HY-W011117S

Danofloxacin-d3
Danofloxacin-d₃ is deuterium labeled Danofloxacin. Danofloxacin is an orally active quinolone antibiotic. Danofloxacin targets bacterial DNA gyrase and inhibits bacterial DNA replication, transcription and growth. Danofloxacin can be used for various bacterial infections caused by Escherichia coli, Mycoplasma and other pathogens.

HY-W011117S1

Danofloxacin-d3-1
Danofloxacin-d3-1 is deuterium labeled Danofloxacin. Danofloxacin is an orally active quinolone antibiotic. Danofloxacin targets bacterial DNA gyrase and inhibits bacterial DNA replication, transcription and growth. Danofloxacin can be used for various bacterial infections caused by Escherichia coli, Mycoplasma and other pathogens.

HY-B0132S1

Norfloxacin-d8
Norfloxacin-d₈ is the deuterium labeled Norfloxacin. Norfloxacin (MK-0366) is a broad-spectrum antibiotic that is active against both Gram-positive and Gram-negative bacteria, which functions by inhibiting DNA gyrase.

HY-B0147S1

Pefloxacin-d3

Pefloxacin-d₃ (Pefloxacinium-d₃) is the deuterium labeled Pefloxacin (HY-B0147). Pefloxacin (Pefloxacinium) is a broad spectrum antibiotic. Pefloxacin blocks DNA replication by inhibiting DNA gyrase. Pefloxacin inhibits DNA relaxation catalyzed by topoisomerase I with an IC₅₀ of 45 μg/mL. Pefloxacin exhibits antibacterial activity against Escherichia coli, Pseudomonas aeruginosa, and Bacteroides fragilis with MIC₉₀s of 0.12, 4, and 16 mg/L, respectively. Pefloxacin has anti-Plasmodium yoelii infection activity. Pefloxacin increase UVA-induced edema and immunesuppression. Pefloxacin can be used for infection studies .

HY-B0147S

Pefloxacin-d5

Pefloxacin-d₅ (Pefloxacinium-d₅) is the deuterium labeled Pefloxacin (HY-B0147). Pefloxacin (Pefloxacinium) is a broad spectrum antibiotic. Pefloxacin blocks DNA replication by inhibiting DNA gyrase. Pefloxacin inhibits DNA relaxation catalyzed by topoisomerase I with an IC₅₀ of 45 μg/mL. Pefloxacin exhibits antibacterial activity against Escherichia coli, Pseudomonas aeruginosa, and Bacteroides fragilis with MIC₉₀s of 0.12, 4, and 16 mg/L, respectively. Pefloxacin has anti-Plasmodium yoelii infection activity. Pefloxacin increase UVA-induced edema and immunesuppression. Pefloxacin can be used for infection studies .

HY-B0268S2

Enoxacin-d8 hydrate

Enoxacin-d₈ (hydrate) is deuterium labeled Enoxacin. Enoxacin (AT 2266), a fluoroquinolone, interferes with DNA replication and inhibits bacterial DNA gyrase (IC₅₀=126 μg/ml) and topoisomerase IV (IC₅₀=26.5 μg/ml). Enoxacin is a miRNA processing activator and enhances siRNA-mediated mRNA degradation and promotes the biogenesis of endogenous miRNAs. Enoxacin has potent activities against gram-positive and -negative bacteria. Enoxacin is a cancer-specific growth inhibitor that acts by enhancing TAR RNA-binding protein 2 (TRBP)-mediated microRNA processing .

HY-B0330BS1

Levofloxacin-d3 hydrochloride

Levofloxacin-d₃ ((-)-Ofloxacin-d₃) hydrochlorideis deuterium labeled Levofloxacin (hydrochloride). Levofloxacin ((-)-Ofloxacin) hydrochloride is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria. Levofloxacin hydrochloride inhibits the DNA gyrase and topoisomerase IV. Levofloxacin hydrochloride can be used for chronic periodontitis, airway inflammation and BK Viremia research. Levofloxacin hydrochloride shows anti-orthopoxvirus activity .

HY-W744235

Levofloxacin-d3 sodium

Levofloxacin-d₃ sodium is the deuterium labeled Levofloxacin sodium (HY-B0330C). Levofloxacin ((-)-Ofloxacin) sodium is an orally active antibiotic and is active against both Gram-positive and Gram-negative bacteria. Levofloxacin sodium inhibits the DNA gyrase and topoisomerase IV. Levofloxacin sodium can be used for chronic periodontitis, airway inflammation and BK Viremia research. Levofloxacin sodium shows anti-orthopoxvirus activity .

HY-10581AS

Gatifloxacin-d3 hydrochloride

Gatifloxacin-d₃ (hydrochloride) is the deuterium labeled Gatifloxacin (hydrochloride). Gatifloxacin hydrochloride (AM-1155; BMS-206584; PD135432) is a potent fluoroquinolone antibiotic with broad-spectrum antibacterial activity. Gatifloxacin hydrochloride inhibits bacterial type II topoisomerases (IC50=13.8 μg/ml for S. aureus topoisomerase IV) and E. coli DNA gyrase (IC50 = 0.109 μg/ml). Gatifloxacin hydrochloride can be used to treat bacterial conjunctivitis in vivo.

HY-B0395DS

(1R,2S,7R)-Sitafloxacin-d4 hydrochloride
(1R,2S,7R)-Sitafloxacin-d₄ hydrochloride is deuterium labeled (1R,2S,7R)-Sitafloxacin hydrochloride (HY-B0395D). (R)-Sitafloxacin (DU-6857), a stereoisomer of Sitafloxacin (DU-6859a), is also an inhibitor of topoisomerases, with an IC₅₀ of 0.18 μg/mL of DNA gyrase .

HY-W700069

Gatifloxacin-d4

Gatifloxacin-d₄ (AM-1155-d₄) is the deuterium labeled Gatifloxacin (HY-10581). Gatifloxacin (AM-1155; BMS-206584; PD135432) is a potent fluoroquinolone antibiotic with broad-spectrum antibacterial activity. Gatifloxacin inhibits bacterial type II topoisomerases (IC₅₀ = 13.8 μg/mL for S. aureus topoisomerase IV) and E.coli DNA gyrase (IC₅₀ = 0.109 μg/mL) . Gatifloxacin can be used for the study of bacterial conjunctivitis in vivo.

HY-B0506S1

Nadifloxacin-d5

Nadifloxacin-d₅ (OPC7251-d₅) is deuterium labeled Nadifloxacin (HY-B0506). Nadifloxacin (OPC7251) is a broad-spectrum quinolone antibiotic. Nadifloxacin inhibits bacterial DNA gyrase and topoisomerase IV, interfering with DNA replication. It also suppresses the production of proinflammatory cytokines (such as IL-1α, IL-6, and IL-8). Nadifloxacin exhibits antibacterial activity against various pathogens, including Propionibacterium acnes and Staphylococcus aureus. Nadifloxacin also exhibits anti-inflammatory activity. Nadifloxacin can be used in the research of skin infections such as acne vulgaris, folliculitis, and impetigo .

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