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PKZ18
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Catalog No. T204863Cas No. 849658-87-3
Alias PKZ-18, PKZ 18
PKZ18 is an antibiotic that inhibits bacterial growth with minimum inhibitory concentrations of 32–64 μg/mL against most Gram-positive bacteria, acting by suppressing in vivo transcription and translation of glycyl-tRNA synthetase mRNA, selectively targeting stem I specifier loops in Gram-positive organisms, reducing T-box transcriptional read-through, disrupting codon–anticodon recognition required for tRNA binding, and demonstrating a mechanism that is refractory to conventional resistance development.
PKZ18
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Purity: 98.08%
Catalog No. T204863Alias PKZ-18, PKZ 18Cas No. 849658-87-3
PKZ18 is an antibiotic that inhibits bacterial growth with minimum inhibitory concentrations of 32–64 μg/mL against most Gram-positive bacteria, acting by suppressing in vivo transcription and translation of glycyl-tRNA synthetase mRNA, selectively targeting stem I specifier loops in Gram-positive organisms, reducing T-box transcriptional read-through, disrupting codon–anticodon recognition required for tRNA binding, and demonstrating a mechanism that is refractory to conventional resistance development.
| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $195 | - | In Stock | |
| 5 mg | $483 | - | In Stock | |
| 10 mg | $691 | - | In Stock | |
| 25 mg | $1,080 | - | In Stock | |
| 50 mg | $1,490 | - | In Stock | |
| 100 mg | $1,960 | - | In Stock |
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In Stock Estimated shipping dateUSA Warehouse[1-2 days] Global Warehouse[5-7 days]
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Batch Information
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Purity:98.08%
Appearance:Solid
Color:White
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Product Introduction
Bioactivity
Chemical Properties
Storage & Solubility Information
| Description | PKZ18 is an antibiotic that inhibits bacterial growth with minimum inhibitory concentrations of 32–64 μg/mL against most Gram-positive bacteria, acting by suppressing in vivo transcription and translation of glycyl-tRNA synthetase mRNA, selectively targeting stem I specifier loops in Gram-positive organisms, reducing T-box transcriptional read-through, disrupting codon–anticodon recognition required for tRNA binding, and demonstrating a mechanism that is refractory to conventional resistance development. |
| In vitro | By stabilizing a specific terminator conformation in the T-box riboswitch, PKZ18 halted the transcription of essential genes such as glyQS and tyrS. PKZ18 demonstrated bacteriostatic activity against MRSA with an MIC of 32-64 μg/mL [1]. |
| Synonyms | PKZ-18, PKZ 18 |
| Molecular Weight | 398.52 |
| Formula | C22H26N2O3S |
| Cas No. | 849658-87-3 |
| Smiles | C(NC1=NC(=C(C)S1)C2=CC=C(C(C)C)C=C2)(=O)[C@@H]3[C@H](C(O)=O)[C@@]4(C[C@]3(CC4)[H])[H] |
| Storage | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
Calculator
In Vivo Formulation Calculator (Clear solution)
Please enter your animal experiment information in the following box and click Calculate to obtain the stock solution preparation method and in vivo formula preparation method:
For example, if the intended dosage is 10 mg/kg for animals weighing 20 g , with a dosing volume of 100 μL per animal, and a total of 10 animals are to be administered, using a formulation of 
10% DMSO+ 40% PEG300+ 5% Tween 80+ 45% Saline/PBS/ddH2O , the resulting working solution concentration would be 2 mg/mL.Stock Solution Preparation:
Dissolve 2 mg of the compound in 100 μL DMSO to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
Preparation of the In Vivo Formulation:
1) Add 100 μL of the DMSO stock solution to 400 μL PEG300 and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O and mix thoroughly until a homogeneous solution is obtained.
This example is provided solely to demonstrate the use of the In Vivo Formulation Calculator and does not constitute a recommended formulation for any specific compound. Please select an appropriate dissolution and formulation strategy based on your experimental model and route of administration.
Dose Conversion
You can also refer to dose conversion for different animals. More Dose Conversion
Tech Support
Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc
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