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  3. Closthioamide

Closthioamide 

Cat. No.: HY-101472
Handling Instructions

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.

For research use only. We do not sell to patients.

Closthioamide Chemical Structure

Closthioamide Chemical Structure

CAS No. : 1227367-59-0

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Description

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.

IC50 & Target

Bacterial DNA gyrase[1].
MIC: 9.00 μM (Ec), 0.58 μM (MRSA), 0.58 μM (VRE), 72.03 μM (Mv)[2].

In Vitro

Closthioamide is a potent inhibitor of bacterial DNA gyrase, isolated from the strictly anaerobic banterium Clostridium cellulolyticum and belongs to a new class of natural products[1]. In a standardized antimicrobial assay, it is found that closthioamide is highly active against a pathogenic, methicillin-resistant Staphylococcus aureus (MRSA) strain with a minimum inhibitory concentration (MIC) of 0.4 μg/mL-1 (0.58 μM). Closthioamide is even active against vancomycin-resistant Enterococcus faecalis (VRE) with the same low MIC value, and is thus significantly more potent against these bacteria than ciprofloxacin, the standard drugused against VRE, with remarkable strain selectivity. Furthermore, in a standardized cytotoxicity assay, closthioamide shows moderate antiproliferative and cytotoxic effects[2].

Molecular Weight

695.04

Formula

C₂₉H₃₈N₆O₂S₆

CAS No.

1227367-59-0

SMILES

S=C(C1=CC=C(O)C=C1)NCCC(NCCC(NCCCNC(CCNC(CCNC(C2=CC=C(O)C=C2)=S)=S)=S)=S)=S

Shipping

Room temperature in continental US; may vary elsewhere

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

References
Cell Assay
[1]

The MIC is determined for the laboratory strains as follows. The assays are performed in sterile 96-well polystyrene microplates in 200 mL of cation-adjusted Mueller-Hinton (MH) broth. A serial dilution of the compound to test is made in 100 mL of medium and inoculated with 100 mL of fresh cell culture containing ~105 cfu/mL and incubated at 37°C for 20 h. The MIC is defined as the lowest concentration of antibiotic that inhibit visible growth[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References
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Closthioamide
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HY-101472
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