2. Cell Cycle/DNA Damage
  3. Deubiquitinase
  4. ML-323

ML-323 是一种有效的可逆的 USP1-UAF1 抑制剂，在Ub-Rho实验中，IC50 为 76 nM。

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ML-323 Chemical Structure

ML-323 Chemical Structure

CAS No. : 1572414-83-5

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规格 价格 是否有货 数量
10 mM * 1 mL in DMSO ￥825
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1 mg ￥340
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5 mg ￥750
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10 mg ￥1200
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50 mg ￥4600
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500 mg   询价  

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Customer Review

ML-323 相关抗体

Top Publications Citing Use of Products

    ML-323 purchased from MCE. Usage Cited in: Cell Prolif. 2020 Oct;53(10):e12908.  [Abstract]

    ML-323 (50 μM; 24 hours) treatment down-regulates USP1 and WDR48 in MHCC97H and SK-Hep-1 cells. And also decreases the protein expression of PCNA, cyclin D1 and cyclin E1.

    查看 Deubiquitinase 亚型特异性产品:

    查看所有亚型
    USP1 USP2 USP7 USP8 USP30 UCHL1

    • 生物活性

    • 实验参考方法

    • 纯度 & 产品资料

    • 参考文献

    生物活性

    ML-323 is a reversible, potent USP1-UAF1 inhibitor with IC50 of 76 nM in a Ub-Rho assay. The measured inhibition constants of ML-323 for the free enzyme (Ki) is 68 nM.

    IC50 & Target

    IC50: 76 nM (USP1-UAF1, in Ub-Rho assay)[1]
    Ki: 68 nM (USP1-UAF1)[1]
    体外研究
    (In Vitro)

    ML-323 (ML323) is a highly potent inhibitor of the USP1-UAF1 deubiquitinase complex with excellent selectivity against human DUBs, deSUMOylase, deneddylase and unrelated proteases. ML-323 is a potent USP1-UAF1 inhibitor with IC50 values of 76 nM in a ubiquitin-rhodamine (Ub-Rho) assay and 174 nM and 820 nM in orthogonal gel-based assays using K63-linked diubiquitin (di-Ub) and monoubiquitinated PCNA (Ub-PCNA) as substrates, respectively. ML-323 probably exerts its inhibitory effect through an allosteric mechanism. The measured inhibition constants of ML-323 for the free enzyme (Ki) and the enzyme-substrate complex (K’i) are 68 nM and 183 nM. Besides, ML-323 potentiates Cisplatin cytotoxicity in non-small cell lung cancer and osteosarcoma cells[1]. ML-323 (ML323), a probe molecule that displays reversible, nanomolar inhibitory activity and excellent selectivity toward USP1/UAF1. In addition, ML-323 potentiates the cytotoxicity of Cisplatin and increases endogenous monoubiquitination levels of both PCNA and FANCD2, two known cellular targets of USP1/UAF1[2].

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

    ML-323 相关抗体:
    分子量

    384.48

    Formula

    C23H24N6
    CAS 号
    性状

    固体

    颜色

    White to off-white

    运输条件

    Room temperature in continental US; may vary elsewhere.
    储存方式
    Powder -20°C 3 years
    4°C 2 years
    In solvent -80°C 1 year
    -20°C 6 months
    溶解性数据
    细胞实验： 

    DMSO 中的溶解度 : ≥ 49 mg/mL (127.44 mM; 吸湿的 DMSO 对产品的溶解度有显著影响，请使用新开封的 DMSO)

    * "≥" means soluble, but saturation unknown.

    配制储备液
    浓度 溶剂体积 质量 1 mg 5 mg 10 mg
    1 mM 2.6009 mL 13.0046 mL 26.0092 mL
    5 mM 0.5202 mL 2.6009 mL 5.2018 mL
    查看完整储备液配制表

    * 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
    储备液的保存方式和期限：-80°C, 1 year; -20°C, 6 months。-80°C储存时，请在1年内使用， -20°C储存时，请在6个月内使用。

    • 摩尔计算器

    • 稀释计算器

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

    质量
    =
    浓度
    ×
    体积
    ×
    分子量 *

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

    This equation is commonly abbreviated as: C1V1 = C2V2

    浓度 (start)

    C1

    ×
    体积 (start)

    V1

    =
    浓度 (final)

    C2

    ×
    体积 (final)

    V2

    动物实验：

    请根据您的 实验动物和给药方式 选择适当的溶解方案。

    以下溶解方案都请先按照 In Vitro 方式配制澄清的储备液，再依次添加助溶剂：
    ——为保证实验结果的可靠性，澄清的储备液可以根据储存条件，适当保存；体内实验的工作液，建议您现用现配，当天使用；
    以下溶剂前显示的百分比是指该溶剂在您配制终溶液中的体积占比；如在配制过程中出现沉淀、析出现象，可以通过加热和/或超声的方式助溶

    • 方案 一

      请依序添加每种溶剂： 10% DMSO    40% PEG300    5% Tween-80    45% Saline

      Solubility: ≥ 2.5 mg/mL (6.50 mM); 澄清溶液

      此方案可获得 ≥ 2.5 mg/mL（饱和度未知）的澄清溶液。

      以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中，混合均匀；再向上述体系中加入 50 μL Tween-80，混合均匀；然后再继续加入 450 μL 生理盐水 定容至 1 mL。

      生理盐水的配制：将 0.9 g 氯化钠，溶解于 ddH₂O 并定容至 100 mL，可以得到澄清透明的生理盐水溶液。
    • 方案 二

      请依序添加每种溶剂： 10% DMSO    90% (20% SBE-β-CD in Saline)

      Solubility: ≥ 2.5 mg/mL (6.50 mM); 澄清溶液

      此方案可获得 ≥ 2.5 mg/mL（饱和度未知）的澄清溶液。

      以 1 mL 工作液为例，取 100 μL 25.0 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD 生理盐水水溶液 中，混合均匀。

      2 g SBE-β-CD（磺丁基醚 β-环糊精）粉末定容于 10 mL 的生理盐水中，完全溶解至澄清透明。
    动物溶解方案计算器
    请输入动物实验的基本信息：

    给药剂量

    mg/kg

    动物的平均体重

    g

    每只动物的给药体积

    μL

    动物数量

    只
    由于实验过程有损耗，建议您多配一只动物的量
    请输入您的动物体内配方组成：
    %
    DMSO +
    % 
    +
    %
    Tween-80 +
    %
    Saline
    如果您的动物是免疫缺陷鼠或者体弱鼠，建议 DMSO 中的在最后工作液体系中的占比尽量不超过 2%。
    方案所需 助溶剂 包括：DMSO， ，均可在 MCE 网站选购。 ，Tween 80，均可在 MCE 网站选购。
    计算结果
    工作液所需浓度 : mg/mL
    储备液配制方法 : mg 药物溶于 μL  DMSO（母液浓度为 mg/mL）。
    您所需的储备液浓度超过该产品的实测溶解度，以下方案仅供参考，如有需要，请与 MCE 中国技术支持联系。
    动物实验体内工作液的配制方法 : 取 μL DMSO 储备液，加入 μL 。 μL ，混合均匀至澄清，再加 μL Tween 80，混合均匀至澄清，再加 μL 生理盐水。
    连续给药周期超过半月以上，请谨慎选择该方案。
    请确保第一步储备液溶解至澄清状态，从左到右依次添加助溶剂。您可采用超声加热 （超声清洗仪，建议频次 20-40 kHz），涡旋吹打等方式辅助溶解。
    纯度 & 产品资料

    纯度: 99.95%

    COA (199 KB) HNMR (247 KB) LCMS (93 KB)

    产品使用指南 (1538 KB)
    参考文献
    Kinase Assay
    [1]

    For DUB profiling, ML-323 is tested at a single-dose of 10 μM in duplicate. The DUB activities are monitored using Ub-7-amido-4-methylcoumarin (AMC) as a substrate. The increase in fluorescent signal from free AMC is monitored over time, although only the initial linear portion of slope (signal/min) is used for analysis. The activity of enzyme with no compound is treated as 100%. For protease profiling, ML-323 is tested using threefold serial dilutions starting at 20 μM against 70 proteases. Proteases are pre-incubated with the compound for 5-15 min before the addition of the appropriate enzyme substrates. The enzyme activities are measured by reading the fluorescent signal from fluorescently labeled peptides[1].

    MCE has not independently confirmed the accuracy of these methods. They are for reference only.
    Cell Assay
    [1]

    Cell viability is measured by a cell counting kit (CCK) assay using CCK-8 solution. For the colony-forming assay, cells are seeded at a density of 300-500 cells per well in six-well plates and grown overnight. Cells are then treated with ML-323 alone, Cisplatin alone or a combination of Cisplatin and ML-323 (1:1 or 1:4) at the indicated concentrations. Cells treated with an equal volume of DMSO and saline are used as a control. After 48 h of treatment, fresh growth medium is added, and cells are incubated for an additional 5-10 d to allow for colony formation. For UV combination treatment, the cells are treated with ML-323 at the indicated concentrations or an equal volume of DMSO. After 48 h, the medium is removed, and cells are irradiated at 254 nm at the indicated dosage. Fresh growth medium is added, and the cells are incubated for an additional 5-10 d to allow for colony formation. The cells without UV irradiation but treated with ML-323 or an equal volume of DMSO are used as controls and designated as 100%. After the formation of the colonies, cells are fixed with methanol and stained with 0.5% crystal violet. Colonies consisting of >50 cells are scored. The number of colonies is determined from triplicate plates. The dose-response curves are generated using GraphPad Prism and analyzed by using CalcuSyn to calculate the combination index, which is determined for the fraction of cells affected after the addition of fixed ratios of cisplatin and the USP1-UAF1 inhibitor[1].

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

    ML-323 相关分类

    完整储备液配制表

    * 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液；一旦配成溶液，请分装保存，避免反复冻融造成的产品失效。
    储备液的保存方式和期限：-80°C, 1 year; -20°C, 6 months。-80°C储存时，请在1年内使用， -20°C储存时，请在6个月内使用。

    可选溶剂 浓度 溶剂体积 质量 1 mg 5 mg 10 mg 25 mg
    DMSO 1 mM 2.6009 mL 13.0046 mL 26.0092 mL 65.0229 mL
    5 mM 0.5202 mL 2.6009 mL 5.2018 mL 13.0046 mL
    10 mM 0.2601 mL 1.3005 mL 2.6009 mL 6.5023 mL
    15 mM 0.1734 mL 0.8670 mL 1.7339 mL 4.3349 mL
    20 mM 0.1300 mL 0.6502 mL 1.3005 mL 3.2511 mL
    25 mM 0.1040 mL 0.5202 mL 1.0404 mL 2.6009 mL
    30 mM 0.0867 mL 0.4335 mL 0.8670 mL 2.1674 mL
    40 mM 0.0650 mL 0.3251 mL 0.6502 mL 1.6256 mL
    50 mM 0.0520 mL 0.2601 mL 0.5202 mL 1.3005 mL
    60 mM 0.0433 mL 0.2167 mL 0.4335 mL 1.0837 mL
    80 mM 0.0325 mL 0.1626 mL 0.3251 mL 0.8128 mL
    100 mM 0.0260 mL 0.1300 mL 0.2601 mL 0.6502 mL
    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:

    ML-3231572414-83-5ML323ML 323DeubiquitinaseDUBsInhibitorinhibitorinhibit

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