2. Anti-infection
  3. Bacterial Antibiotic
  4. CHIR-090

CHIR-090 is a potent, slow, tight-binding inhibitor of the LpxC deacetylase. It binds to E. coli LpxC with a Ki of 4.0 nM. CHIR-090 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

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CAS 番号 : 728865-23-4

容量 価格（税別） 在庫状況 数量
5 mg $120 在庫あり
10 mg $192 在庫あり
25 mg $350 在庫あり
50 mg $520 在庫あり
100 mg $720 在庫あり
200 mg   お問い合わせ  
500 mg   お問い合わせ  

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カスタマーレビュー

Based on 3 publication(s) in Google Scholar

Other Forms of CHIR-090:

CHIR-090 関連抗体

Top Publications Citing Use of Products

    CHIR-090 purchased from MedChemExpress. Usage Cited in: Antimicrob Agents Chemother. 2017 Jun 27;61(7). pii: e02223-16.  [Abstract]

    In vitro efficacy of colistin and CHIR-090 alone or in combination against 3-day-old PAO1 biofilms in biofilm flow cells.

    Antibiotic アイソフォーム固有の製品をすべて表示:

    すべてのアイソフォームを表示
    Aminoglycoside Glycopeptide Lipopeptide Macrolide Oxazolidinone Quinolone Tetracycline β-lactam

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    製品説明

    CHIR-090 is a potent, slow, tight-binding inhibitor of the LpxC deacetylase. It binds to E. coli LpxC with a Ki of 4.0 nM. CHIR-090 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

    IC50 & Target

    Ki: 4 nM (Escherichia coli LpxC)[1]
    体外実験

    CHIR-090 is a potent, slow, tight-binding inhibitor of the LpxC deacetylase from the hyperthermophile Aquifex aeolicus, and it has excellent antibiotic activity against P. aeruginosa and E. coli, as judged by disk diffusion assays. CHIR-090 is also a two-step slow, tight-binding inhibitor of Escherichia coli LpxC with Ki=4 nM. CHIR-090 at low nM levels inhibits LpxC orthologues from diverse Gram-negative pathogens, including Pseudomonas aeruginosa, Neisseria meningitidis, and Helicobacter pylori. In contrast, CHIR-090 is a relatively weak competitive and conventional inhibitor (lacking slow, tight-binding kinetics) of LpxC from Rhizobium leguminosarum (Ki=340 nM), a Gram-negative plant endosymbiont that is resistant to this compound. An E. coli construct in which the chromosomal lpxC gene is replaced by R. leguminosarum lpxC is resistant to CHIR-090 up to 100 μg/mL, or 400 times above the minimal inhibitory concentration for wild-type E. coli. CHIR-090, a very potent, slow, tight-binding inhibitor of Aquifex aeolicus LpxC, the sequence of which is 31 % identical to E. coli LpxC. CHIR-090 has remarkable antibiotic activity against E. coli and P. aeruginosa, comparable to ciprofloxacin, as judged by disk diffusion assays[1].

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

    CHIR-090 関連抗体
    体内実験

    CHIR-090 is a potent antibiotic against E. coli and inhibits E. coli LpxC activity in vitro in the low nM range. E. coli W3110 colonies resistant to 1 μg/mL CHIR-090 are not observed without prior chemical mutagenesis. A strain of E. coli W3110 is able to grow on LB agar plates containing 1 to 10 μg/mL CHIR-090, which is 4 to 40 times above the MIC of 0.25 μg/mL under our conditions for wild-type E. coli W3110. The doubling time of W3110RL is 40 min in the presence of 1 μg/mL CHIR-090, which is exactly the same rate as wild-type in the absence of inhibitor. Wild-type cells stopped growing after about 2 h in the presence of 1 μg/mL CHIR-090[1].

    MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
    分子量

    437.49

    分子式

    C24H27N3O5
    CAS 番号
    Appearance

    Solid

    Color

    White to off-white

    SMILES

    O=C(N[C@@H]([C@@H](C)O)C(NO)=O)C(C=C1)=CC=C1C#CC2=CC=C(CN3CCOCC3)C=C2
    輸送条件

    Room temperature in continental US; may vary elsewhere.
    保管条件
    Powder -20°C 3 years
      4°C 2 years
    In solvent -80°C 6 months
      -20°C 1 month
    溶剤 & 溶解度
    体外: 

    DMSO : 5 mg/mL (11.43 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

    H2O : < 0.1 mg/mL (insoluble)

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 2.2858 mL 11.4288 mL 22.8577 mL
    5 mM 0.4572 mL 2.2858 mL 4.5715 mL
    10 mM 0.2286 mL 1.1429 mL 2.2858 mL
    View the Complete Stock Solution Preparation Table

    * Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
    Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

    • Molarity Calculator

    • Dilution Calculator

    Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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    Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

    一般には略語で表示されます：C1V1 = C2V2

    濃度 （開始）

    C1

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    体積 （開始）

    V1

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    体内:

    Select the appropriate dissolution method based on your experimental animal and administration route.

    For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
    To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
    The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

    • Protocol 1

      Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

      Solubility: ≥ 0.5 mg/mL (1.14 mM); Clear solution

      This protocol yields a clear solution of ≥ 0.5 mg/mL (saturation unknown).

      Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (5.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

      Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
    • Protocol 2

      Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

      Solubility: ≥ 0.5 mg/mL (1.14 mM); Clear solution

      This protocol yields a clear solution of ≥ 0.5 mg/mL (saturation unknown).

      Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (5.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

      Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
    In Vivo Dissolution Calculator
    Please enter the basic information of animal experiments:

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    Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
    Please enter your animal formula composition:
    %
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    +
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    Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
    The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
    Calculation results:
    Working solution concentration: mg/mL
    Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
    The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
    Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
     If the continuous dosing period exceeds half a month, please choose this protocol carefully.
    Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
    純度とドキュメンテーション

    純度: 98.58%

    COA (246 KB) HNMR (203 KB) LCMS (96 KB)

    取扱説明書 (2659 KB)
    参考文献
    キナーゼ実験
    [1]

    Disk diffusion is conducted, except that 10 μg of each antibiotic compound is used per filter. Growth in liquid medium in the presence of CHIR-090 is evaluated as follows: cells from overnight cultures are inoculated into 50 mL portions of LB broth at an A600 of 0.02 and grown with shaking at 30°C. When the A600 reaches 0.15, parallel cultures are treated with either 6 μL of 500 μg/mL CHIR-090 in DMSO or 6 μL of DMSO. To assess cumulative growth, cultures are maintained in log phase growth by 10-fold dilution into pre-warmed medium, containing the same concentrations of DMSO or DMSO/CHIR-090, whenever the A600 reaches 0.4. The minimal inhibitory concentration is defined as the lowest antibiotic concentration at which no measurable bacterial growth is observed in LB medium containing 1% DMSO (v/v), when inoculated at a starting density of A600=0.01. Cultures are incubated with shaking for 24 h at 30°C in the presence of CHIR-090. Experiments are performed in triplicate[1].

    MedChemExpress (MCE) はこれらの方法の精度を確認していません。 こちらは参照専用です。
    参考文献

    Complete Stock Solution Preparation Table

    * Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
    Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

    Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
    DMSO 1 mM 2.2858 mL 11.4288 mL 22.8577 mL 57.1442 mL
    5 mM 0.4572 mL 2.2858 mL 4.5715 mL 11.4288 mL
    10 mM 0.2286 mL 1.1429 mL 2.2858 mL 5.7144 mL
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    CHIR-090 Related Classifications

    • Molarity Calculator

    • Dilution Calculator

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    Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

    質量   濃度   体積   分子量 *
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    The dilution calculator equation

    Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

    一般には略語で表示されます：C1V1 = C2V2

    濃度 （開始） × 体積 （開始） = 濃度 （終了） × 体積 （終了）
    × = ×
    C1   V1   C2   V2
    Help & FAQs
    • Do most proteins show cross-species activity?

      Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

    Keywords:

    CHIR-090728865-23-4CHIR090CHIR 090BacterialAntibioticInhibitorinhibitorinhibit

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    製品名:
    CHIR-090
    製品番号:
    HY-15460
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