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Pathways Recommended:	Cell Cycle/DNA Damage

Results for "

DNA gyrase inhibitor

" in MedChemExpress (MCE) Product Catalog:

By Targets:	DNA Methyltransferase (1) DNA/RNA Synthesis (54) Antibiotic (59) Apoptosis (5) Bacterial (98) Dihydrofolate reductase (DHFR) (1) Drug Metabolite (4) Endogenous Metabolite (3) Fungal (1) HDAC (1) HSP (4) Isotope-Labeled Compounds (7) JAK (1) MicroRNA (6) Orthopoxvirus (12) Proton Pump (2) TGF-beta/Smad (2) Topoisomerase (36)
By Research Areas:	Cancer (21) Infection (103) Inflammation/Immunology (5) Metabolic Disease (1)

108

Inhibitors & Agonists

Peptides

Natural
Products

Isotope-Labeled Compounds

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

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

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-149851

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

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-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-149379

DNA gyrase B-IN-3	Bacterial DNA/RNA Synthesis	Infection
DNA gyrase B-IN-3 (Compound A) is a bacterial DNA gyrase B inhibitor (IC₅₀: < 10 nM). DNA gyrase B-IN-3 has antibacterial activity against gram-positive strains .

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 .

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-147819

DNA Gyrase-IN-3	Bacterial DNA/RNA Synthesis	Infection
DNA Gyrase-IN-3 (Compound 28) is a *bacterial DNA* gyrase B** inhibitor with IC₅₀s of 5.41-15.64 µM for E. coli DNA gyrase. Anti-tubercular and antibacterial activity .

HY-147000

DNA Gyrase-IN-1	Bacterial DNA/RNA Synthesis	Infection
DNA Gyrase-IN-1 (compound 42) is a potent and selective **DNA gyrase** inhibitor with an IC₅₀ value of 2.6 µM. DNA Gyrase-IN-1 has high inhibitory activity against Mycobacterium tuberculosis (Mtb) with MIC of 0.49 µM. DNA Gyrase-IN-1 can be used for researching tuberculosis .

HY-147777

14α-Demethylase/DNA Gyrase-IN-2	Bacterial DNA/RNA Synthesis	Infection
14α-Demethylase/DNA Gyrase-IN-2 (Compound 6a) is a potent inhibitor of *14α-Demethylase/DNA* *Gyrase. 14α-Demethylase/DNA* Gyrase-IN-2 has antimicrobial activities .

HY-147778

14α-Demethylase/DNA Gyrase-IN-1	Bacterial DNA/RNA Synthesis	Infection
14α-Demethylase/DNA Gyrase-IN-1 (Compound 7c) is a potent inhibitor of *14α-Demethylase/DNA* *Gyrase. 14α-Demethylase/DNA* Gyrase-IN-1 has antimicrobial activities .

HY-147988

DNA Gyrase-IN-5	DNA/RNA Synthesis Bacterial	Infection
DNA Gyrase-IN-5 (Compound 8I-w) is a potent **DNA gyrase** inhibitor with an IC₅₀ of 0.10 μM. DNA Gyrase-IN-5 shows antibacterial activities against wild type and drug-resistant strains .

HY-169105

DNA Gyrase-IN-12	DNA/RNA Synthesis Bacterial	Infection
DNA Gyrase-IN-12 (Compound 6d) is a **DNA gyrase** inhibitor. DNA Gyrase-IN-12 has Antibacterial activity and MIC value of vancomycin-intermediate S. aureus (VISA) and Enterococcus faecalis strains* is between 0.031 and 0.0625 μg/mL .*

HY-B0147A

Pefloxacin mesylate 2 Publications Verification Pefloxacinium mesylate	Bacterial Antibiotic	Infection
Pefloxacin mesylate is a an antibacterial agent and prevents bacterial DNA replication by inhibiting DNA gyrase (topoisomerse) Target: DNA gyrase Pefloxacin is a synthetic chemotherapeutic agent used to treat severe and life-threatening bacterial infections.

HY-B0147

Pefloxacin 2 Publications Verification Pefloxacinium	Bacterial Antibiotic	Infection
Pefloxacin is a an antibacterial agent and prevents bacterial DNA replication by inhibiting DNA gyrase (topoisomerse) Target: DNA gyrase Pefloxacin is a synthetic chemotherapeutic agent used to treat severe and life-threatening bacterial infections.

HY-B0147B

Pefloxacin mesylate dihydrate Pefloxacinium mesylate dihydrate	Bacterial Antibiotic	Infection
Pefloxacin mesylate dehydrate is a an antibacterial agent and prevents bacterial DNA replication by inhibiting DNA gyrase (topoisomerse) Target: DNA gyrase Pefloxacin is a synthetic chemotherapeutic agent used to treat severe and life-threatening bacterial infections.

HY-N7066

Difloxacin hydrochloride	Bacterial Antibiotic	Infection
Difloxacin hydrochloride is a broad-spectrum antibacterial agent. Difloxacin hydrochloride inhibits bacterial DNA gyrase and exhibits a concentration-dependant bactericidal effect by interference with the activity of DNA gyrase and topoisomerase IV .

HY-147948

DNA Gyrase-IN-4	DNA/RNA Synthesis Bacterial	Infection
DNA Gyrase-IN-4 (compound 8p) is a potent **DNA gyrase** inhibitor, with an IC₅₀ of 0.13 μM. DNA Gyrase-IN-4 shows excellent antibacterial activity against Staphylococcus aureus, Listeria monocytogenes, Salmonella and Escherichia coli, with MIC values of 0.05, 0.05, 0.05, and 8 μg/mL, respectively .

HY-155007

DNA gyrase B-IN-2	Bacterial	Infection
DNA gyrase B-IN-2 (Compound E) is a 2-aminobenzothiazole-based DNA gyrase B inhibitor with promising activity against ESKAPE bacterial pathogens. DNA gyrase B-IN-2 showed low nanomolar inhibition of DNA gyrase (IC₅₀ < 10 nM) and broad-spectrum antibacterial activity against pathogens belonging to the ESKAPE group, with the minimum inhibitory concentration < 0.03 μg/mL for most Gram-positive strains and 4–16 μg/mL against Gram-negative E. coli, Acinetobacter baumannii, Pseudomonas aeruginosa, and Klebsiella pneumoniae.DNA gyrase B-IN-2 can be used for the research of infection .

HY-169384

Antimycobacterial agent-10	Bacterial	Infection
Antimycobacterial agent-10 (compound 5) is a **DNA gyrase** inhibitor with anti-bacterial actiity (IC₅₀=96 nM, M. tuberculosis gyrase).

HY-116231

(S)-Gyramide A	Topoisomerase	Infection
(S)-Gyramide A is a weak inhibitor of cell proliferation that can target DNA gyrase .

HY-N7066R

Difloxacin (hydrochloride) (Standard)	Bacterial Antibiotic	Infection
Difloxacin (hydrochloride) (Standard) is the analytical standard of Difloxacin (hydrochloride). This product is intended for research and analytical applications. Difloxacin hydrochloride is a broad-spectrum antibacterial agent. Difloxacin hydrochloride inhibits bacterial DNA gyrase and exhibits a concentration-dependant bactericidal effect by interference with the activity of DNA gyrase and topoisomerase IV .

HY-B0147S1

Pefloxacin-d3 Pefloxacinium-d₃	Isotope-Labeled Compounds Antibiotic Bacterial	Infection
Pefloxacin-d₃ is the deuterium labeled Pefloxacin. Pefloxacin is a an antibacterial agent and prevents bacterial DNA replication by inhibiting DNA gyrase (topoisomerse).

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-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[1][2].

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-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-B0330S1

(S)-Ofloxacin-d3	Bacterial Antibiotic	Infection
(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-121782

A 65281	Bacterial DNA/RNA Synthesis	Infection
A 65281 is a potent **DNA gyrase** inhibitor with an IC₅₀ value of 0.1 µg/mL. A 65281 induces DNA breakage mediated by calf thymus topoisomerase II. A 65281 inhibits P4 DNA unknotting with an IC₅₀ value of 8 µg/mL .

HY-N2033

Chebulinic acid 2 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-149271

Anti-MRSA agent 7	Bacterial DNA/RNA Synthesis Topoisomerase	Infection
Anti-MRSA agent 7 (Compound 12) is a potent antibacterial agent. Anti-MRSA agent 7 inhibits S. aureus DNA gyrase, E. coli DNA gyrase, S. aureus topo IV and E. coli topo IV with IC₅₀s of 0.185, 0.365, 0.341 and 0.059 μM, respectively .

HY-16742B

Gepotidacin mesylate hydrate 5+ 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-147729

UIAA-II-232	DNA/RNA Synthesis	Infection
UIAA-II-232 (compound 19b) is a potent DNA gyrase catalytic inhibitor with an IC₅₀ value of 3.5 µM .

HY-N2150

Psammaplin A	HDAC DNA Methyltransferase DNA/RNA Synthesis Bacterial	Infection Cancer
Psammaplin A, a marine metabolite, is a potent inhibitor of HDAC and DNA methyltransferases. Psammaplin A ia a highly potent and selective DAC1 inhibitor with an IC₅₀ of 0.9 nM. Psammaplin A possess the antimicrobial effect on the Gram-positive bacteria and inhibits DNA synthesis and **DNA gyrase** activity. Antitumor Activity .

HY-135253

GR122222X	DNA/RNA Synthesis	Others
GR122222X is a DNA gyrase B protein inhibitor related to the cyclothiidine structure, which allows the crystallization of this protein fragment for molecular replacement studies.

HY-B0132

Norfloxacin 3 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-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-135389S

Desmethyl Levofloxacin-d8 hydrochloride	Isotope-Labeled Compounds Drug Metabolite Antibiotic	Infection
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	Isotope-Labeled Compounds Drug Metabolite Antibiotic	Infection
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[1].

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-135389R

Desmethyl Levofloxacin (Standard)	Drug Metabolite Antibiotic	Infection
Desmethyl Levofloxacin (Standard) is the analytical standard of Desmethyl Levofloxacin. This product is intended for research and analytical applications. 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-N7452

Coumermycin A1 Maximum Cited Publications 11 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-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-162959

BWC0977	Bacterial Topoisomerase DNA/RNA Synthesis	Infection
BWC0977 is a potent bacterial topoisomerase inhibitor 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-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 .

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-B0147

Pefloxacin 2 Publications Verification Pefloxacinium	Infection Classification of Application Fields Disease Research Fields	Bacterial Antibiotic
Pefloxacin is a an antibacterial agent and prevents bacterial DNA replication by inhibiting DNA gyrase (topoisomerse) Target: DNA gyrase Pefloxacin is a synthetic chemotherapeutic agent used to treat severe and life-threatening bacterial infections.

HY-N2033

Chebulinic acid 2 Publications Verification	Infection Structural Classification Classification of Application Fields Combretaceae Source classification Phenols Polyphenols Terminalia chebula Retz. Plants Disease Research Fields	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-N2150

Psammaplin A	Structural Classification Classification of Application Fields Marine natural products Source classification Antibacterial Disease Research Other Antibiotics Infection Microorganisms Animals Antibiotics Phenols Polyphenols Sponge Anticancer Disease Research Fields	HDAC DNA Methyltransferase DNA/RNA Synthesis Bacterial
Psammaplin A, a marine metabolite, is a potent inhibitor of HDAC and DNA methyltransferases. Psammaplin A ia a highly potent and selective DAC1 inhibitor with an IC₅₀ of 0.9 nM. Psammaplin A possess the antimicrobial effect on the Gram-positive bacteria and inhibits DNA synthesis and **DNA gyrase** activity. Antitumor Activity .

HY-B0132

Norfloxacin 3 Publications Verification MK-0366	Infection Structural Classification Classification of Application Fields Ketones, Aldehydes, Acids Source classification Endogenous metabolite Disease Research Fields	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-N7452

Coumermycin A1 Maximum Cited Publications 11 Publications Verification	Structural Classification 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 Structural Classification Microorganisms Classification of Application Fields Antibiotics Resistance Selection Source classification Antibacterial Disease Research Disease Research Fields Other Antibiotics	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-N2033R

Chebulinic acid (Standard)	Structural Classification Combretaceae Source classification Phenols Polyphenols Terminalia chebula Retz. Plants	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 Structural Classification Microorganisms Classification of Application Fields Antibiotics Source classification Phenols Polyphenols Antibacterial Disease Research Disease Research Fields Other Antibiotics	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	Structural Classification 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-141442

Dihydronovobiocin	Structural Classification Microorganisms Antibiotics Source classification Other Antibiotics	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 .

HY-B0132R

Norfloxacin (Standard)	Structural Classification Ketones, Aldehydes, Acids Source classification Endogenous metabolite	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-B0398R

Nalidixic acid (Standard)	Structural Classification Microorganisms Antibiotics Resistance Selection Source classification Antibacterial Disease Research Other Antibiotics	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-B0425A

Novobiocin sodium 5+ Cited Publications Albamycin sodium; Cathomycin sodium	Structural Classification Microorganisms Anti-inflammation/Immunoregulatory Classification of Application Fields Antibiotics Source classification Antiviral Antibacterial Disease Research Disease Research Fields Other Antibiotics 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-B0425AR

Novobiocin (sodium) (Standard)	Structural Classification Microorganisms Anti-inflammation/Immunoregulatory Antibiotics Source classification Antiviral Antibacterial Disease Research Other Antibiotics	Bacterial Antibiotic Orthopoxvirus Apoptosis DNA/RNA Synthesis HSP
Novobiocin (sodium) (Standard) is the analytical standard of Novobiocin (sodium). This product is intended for research and analytical applications. 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 .

Cat. No.	Product Name	Chemical Structure

HY-B0147S1

Pefloxacin-d3
Pefloxacin-d₃ is the deuterium labeled Pefloxacin. Pefloxacin is a an antibacterial agent and prevents bacterial DNA replication by inhibiting DNA gyrase (topoisomerse).

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[1][2].

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-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-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[1][2][3][4].

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[1].

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-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[1].

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-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.

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