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  1. Metabolic Enzyme/Protease Apoptosis
  2. E1/E2/E3 Enzyme Apoptosis
  3. PYR-41

PYR-41 是一種選擇性,可透過(guò)細(xì)胞的泛素活化酶 E1 抑制劑,IC50 值小于10 μM,對(duì)E2和E3基本無(wú)作用。

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PYR-41 Chemical Structure

PYR-41 Chemical Structure

CAS No. : 418805-02-4

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規(guī)格 價(jià)格 是否有貨 數(shù)量
10 mM * 1 mL in DMSO ¥675
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5 mg ¥614
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10 mg ¥1000
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25 mg ¥1825
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50 mg ¥2850
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100 mg ¥4413
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200 mg 現(xiàn)貨 詢價(jià)
500 mg 現(xiàn)貨 詢價(jià)
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Customer Review

    PYR-41 purchased from MCE. Usage Cited in: Int Immunopharmacol. 2020 Oct;87:106763.  [Abstract]

    293 T cells are pretreated with DMSO or PYR41 for 3 h, and then PYR41 inhibitor is added followed by stimulation with IFNα and VSV. After 24 h, VSVG protein expression level is determined by Western blotting analyses.

    PYR-41 purchased from MCE. Usage Cited in: Mol Cell Biol. 2018 Jul 16;38(15). pii: e00024-18.  [Abstract]

    Western blotting assays demonstrate that treatment of 20 μM PYR-41 or 20 μM PYZD-4409 inhibits ubiquitination and CD133 secretion. Hsp90 and β-actin are used as loading controls.
    • 生物活性

    • 實(shí)驗(yàn)參考方法

    • 純度 & 產(chǎn)品資料

    • 參考文獻(xiàn)

    生物活性

    PYR-41 is a selective and cell permeable inhibitor of ubiquitin-activating enzyme E1 with an IC50 of < 10 μM, with little activity at E2 and E3.

    IC50 & Target

    IC50: < 10 μM (E1)

    細(xì)胞效力
    (Cellular Effect)
    Cell Line Type Value Description References
    HEK293 IC50
    22 μM
    Compound: PYR-41
    Cytotoxicity against human HEK293 cells assessed as cell viability measured by Cell titre glo assay
    Cytotoxicity against human HEK293 cells assessed as cell viability measured by Cell titre glo assay
    [PMID: 34246753]
    體外研究
    (In Vitro)

    PYR-41 increases total sumoylation in cells in addition to blocking ubiquitylation. PYR-41 attenuates cytokine-mediated nuclear factor-κB activation. PYR-41 also prevents the downstream ubiquitylation and proteasomal degradation of IκBα. Furthermore, PYR-41 inhibits degradation of p53 and activates the transcriptional activity of this tumor suppressor[1]. PYR-41 (50?μM) promotes accumulation of ubiquitinated proteins. PYR-41 causes a concentration-dependent (10-50 μM) decline in DUB activity in Z138 cells after 4 h. PYR-41 potently inhibits USP5 DUB activity, even at the lowest concentration (10 μM). PYR-41 potently (10-50 μM) inhibits the activity of various DUBs, determined to represent USP9x, USP5, USP14, UCH37 and UCH-L3. Co-treatment of Z138 cells with DTT and PYR-41 completely abolishes the accumulation of ubiquitinated proteins[2].

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

    分子量

    371.30

    Formula

    C17H13N3O7

    CAS 號(hào)
    性狀

    固體

    顏色

    Brown to red

    運(yùn)輸條件

    Room temperature in continental US; may vary elsewhere.

    儲(chǔ)存方式
    Powder -20°C 3 years
    4°C 2 years
    In solvent -80°C 6 months
    -20°C 1 month
    溶解性數(shù)據(jù)
    細(xì)胞實(shí)驗(yàn): 

    DMSO 中的溶解度 : ≥ 46 mg/mL (123.89 mM; 吸濕的 DMSO 對(duì)產(chǎn)品的溶解度有顯著影響,請(qǐng)使用新開(kāi)封的 DMSO)

    * "≥" means soluble, but saturation unknown.

    配制儲(chǔ)備液
    濃度 溶劑體積 質(zhì)量 1 mg 5 mg 10 mg
    1 mM 2.6932 mL 13.4662 mL 26.9324 mL
    5 mM 0.5386 mL 2.6932 mL 5.3865 mL
    查看完整儲(chǔ)備液配制表

    * 請(qǐng)根據(jù)產(chǎn)品在不同溶劑中的溶解度選擇合適的溶劑配制儲(chǔ)備液;一旦配成溶液,請(qǐng)分裝保存,避免反復(fù)凍融造成的產(chǎn)品失效。
    儲(chǔ)備液的保存方式和期限:-80°C, 6 months; -20°C, 1 month。-80°C儲(chǔ)存時(shí),請(qǐng)?jiān)?個(gè)月內(nèi)使用,-20°C儲(chǔ)存時(shí),請(qǐng)?jiān)?個(gè)月內(nèi)使用。

    • 摩爾計(jì)算器

    • 稀釋計(jì)算器

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

    質(zhì)量
    =
    濃度
    ×
    體積
    ×
    分子量 *

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

    This equation is commonly abbreviated as: C1V1 = C2V2

    濃度 (start)

    C1

    ×
    體積 (start)

    V1

    =
    濃度 (final)

    C2

    ×
    體積 (final)

    V2

    動(dòng)物實(shí)驗(yàn):

    請(qǐng)根據(jù)您的 實(shí)驗(yàn)動(dòng)物和給藥方式 選擇適當(dāng)?shù)娜芙夥桨浮?

    以下溶解方案都請(qǐng)先按照 In Vitro 方式配制澄清的儲(chǔ)備液,再依次添加助溶劑:
    ——為保證實(shí)驗(yàn)結(jié)果的可靠性,澄清的儲(chǔ)備液可以根據(jù)儲(chǔ)存條件,適當(dāng)保存;體內(nèi)實(shí)驗(yàn)的工作液,建議您現(xiàn)用現(xiàn)配,當(dāng)天使用;
    以下溶劑前顯示的百分比是指該溶劑在您配制終溶液中的體積占比;如在配制過(guò)程中出現(xiàn)沉淀、析出現(xiàn)象,可以通過(guò)加熱和/或超聲的方式助溶

    • 方案 一

      請(qǐng)依序添加每種溶劑: 10% DMSO    40% PEG300    5% Tween-80    45% Saline

      Solubility: ≥ 2.5 mg/mL (6.73 mM); 澄清溶液

      此方案可獲得 ≥ 2.5 mg/mL(飽和度未知)的澄清溶液。

      1 mL 工作液為例,取 100 μL 25.0 mg/mL 的澄清 DMSO 儲(chǔ)備液加到 400 μL PEG300 中,混合均勻;再向上述體系中加入 50 μL Tween-80,混合均勻;然后再繼續(xù)加入 450 μL 生理鹽水 定容至 1 mL。

      生理鹽水的配制:將 0.9 g 氯化鈉,溶解于 ddH?O 并定容至 100 mL,可以得到澄清透明的生理鹽水溶液。
    動(dòng)物溶解方案計(jì)算器
    請(qǐng)輸入動(dòng)物實(shí)驗(yàn)的基本信息:

    給藥劑量

    mg/kg

    動(dòng)物的平均體重

    g

    每只動(dòng)物的給藥體積

    μL

    動(dòng)物數(shù)量

    由于實(shí)驗(yàn)過(guò)程有損耗,建議您多配一只動(dòng)物的量
    請(qǐng)輸入您的動(dòng)物體內(nèi)配方組成:
    %
    DMSO +
    +
    %
    Tween-80 +
    %
    Saline
    如果您的動(dòng)物是免疫缺陷鼠或者體弱鼠,建議 DMSO 中的在最后工作液體系中的占比盡量不超過(guò) 2%。
    方案所需 助溶劑 包括:DMSO, ,均可在 MCE 網(wǎng)站選購(gòu)。 Tween 80,均可在 MCE 網(wǎng)站選購(gòu)。
    計(jì)算結(jié)果
    工作液所需濃度 : mg/mL
    儲(chǔ)備液配制方法 : mg 藥物溶于 μL  DMSO(母液濃度為 mg/mL)。
    您所需的儲(chǔ)備液濃度超過(guò)該產(chǎn)品的實(shí)測(cè)溶解度,以下方案僅供參考,如有需要,請(qǐng)與 MCE 中國(guó)技術(shù)支持聯(lián)系。
    動(dòng)物實(shí)驗(yàn)體內(nèi)工作液的配制方法 : 取 μL DMSO 儲(chǔ)備液,加入 μL  μL ,混合均勻至澄清,再加 μL Tween 80,混合均勻至澄清,再加 μL 生理鹽水。
    連續(xù)給藥周期超過(guò)半月以上,請(qǐng)謹(jǐn)慎選擇該方案。
    請(qǐng)確保第一步儲(chǔ)備液溶解至澄清狀態(tài),從左到右依次添加助溶劑。您可采用超聲加熱 (超聲清洗儀,建議頻次 20-40 kHz),渦旋吹打等方式輔助溶解。
    純度 & 產(chǎn)品資料

    純度: ≥98.0%

    參考文獻(xiàn)
    Kinase Assay
    [1]

    Rabbit or mouse E1 (apper 250 ng) is incubated with 32P-ubiquitin in 1× reaction buffer [50 mM Tris (pH 7.4), 0.2 mM ATP, 0.5 mM MgCl2] at room temperature for 15 min. In some experiments, the His-tagged mouse E1 is bound to TALON cobalt affinity resin before carrying out incubations and reactions. Mouse E1 and 32P-ubiquitin are added to the beads in 1× reaction buffer and incubated as for E1 reactions. Samples are heated in nonreducing SDS-PAGE sample buffer and resolved by SDS-PAGE. Thioesters with ubiquitin are visualized by Storm PhosphoImager.

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

    參考文獻(xiàn)

    完整儲(chǔ)備液配制表

    * 請(qǐng)根據(jù)產(chǎn)品在不同溶劑中的溶解度選擇合適的溶劑配制儲(chǔ)備液;一旦配成溶液,請(qǐng)分裝保存,避免反復(fù)凍融造成的產(chǎn)品失效。
    儲(chǔ)備液的保存方式和期限:-80°C, 6 months; -20°C, 1 month。-80°C儲(chǔ)存時(shí),請(qǐng)?jiān)?個(gè)月內(nèi)使用,-20°C儲(chǔ)存時(shí),請(qǐng)?jiān)?個(gè)月內(nèi)使用。

    可選溶劑 濃度 溶劑體積 質(zhì)量 1 mg 5 mg 10 mg 25 mg
    DMSO 1 mM 2.6932 mL 13.4662 mL 26.9324 mL 67.3310 mL
    5 mM 0.5386 mL 2.6932 mL 5.3865 mL 13.4662 mL
    10 mM 0.2693 mL 1.3466 mL 2.6932 mL 6.7331 mL
    15 mM 0.1795 mL 0.8977 mL 1.7955 mL 4.4887 mL
    20 mM 0.1347 mL 0.6733 mL 1.3466 mL 3.3666 mL
    25 mM 0.1077 mL 0.5386 mL 1.0773 mL 2.6932 mL
    30 mM 0.0898 mL 0.4489 mL 0.8977 mL 2.2444 mL
    40 mM 0.0673 mL 0.3367 mL 0.6733 mL 1.6833 mL
    50 mM 0.0539 mL 0.2693 mL 0.5386 mL 1.3466 mL
    60 mM 0.0449 mL 0.2244 mL 0.4489 mL 1.1222 mL
    80 mM 0.0337 mL 0.1683 mL 0.3367 mL 0.8416 mL
    100 mM 0.0269 mL 0.1347 mL 0.2693 mL 0.6733 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.

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    Inquiry Information

    產(chǎn)品名稱:
    PYR-41
    目錄號(hào):
    HY-13296
    需求量: