Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb

Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb

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品牌: CST
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分子量:
15 to 20
反应种属:
Human,Mouse,Rat,Monkey,D.melanogaster,
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产品介绍
产品信息
抗原名称
4E-BP1
来源纯化
使用与小鼠 4E-BP1 中 Thr37 和 Thr46 周围的残基相对应的合成磷酸肽,对动物进行免疫接种来产生单克隆抗体。
宿主
Rabbit
简单描述
Monoclonal Antibody for studying 4E-BP1 (Thr37/Thr46) phosphate. Cited in 1721 publications. Validated for WB, IHC, IF, F. Available in 3 sizes. Highly specific and rigorously validated in-house, Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit Monoclonal Antibody (CST #2855) is ready to ship.
商品描述

Product Usage Information

ApplicationDilution
Western Blotting1:1000
Immunohistochemistry (Paraffin)1:800 - 1:3200
Immunofluorescence (Immunocytochemistry)1:200 - 1:800
Flow Cytometry (Fixed/Permeabilized)1:50 - 1:200
分子量
15 to 20
研究领域
细胞生物学,神经科学,RNA 调节与翻译调控
应用
反应种属
Human,Mouse,Rat,Monkey,D.melanogaster,
目标/特异性

Specificity/Sensitivity

仅在 Thr37 和/或 Thr46 位点磷酸化后,Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb 方可识别 4E-BP1 的内源水平。该抗体可能会与在相同位点被磷酸化的 4E-BP2 和 4E-BP3 发生交叉反应。通过免疫荧光分析在有丝分裂细胞中观察到非特异性染色。

物种反应性:

人, 小鼠, 大鼠, 猴, 黑腹果蝇

敏感性
Endogenous
背景
背景
翻译抑制蛋白 4E-BP1(也称为 PHAS-1)可通过结合翻译起始因子 eIF4E 抑制帽子结构依赖性翻译。4E-BP1 的高度磷酸化会扰乱这种相互作用,进而导致帽子结构依赖性翻译被激活 (1)。PI3 激酶/Akt 通路和 FRAP/mTOR 激酶均可调节 4E-BP1 活性 (2,3)。多个 4E-BP1 残基在体内被磷酸化 (4)。一般认为FRAP/mTOR 在 Thr37 和 Thr46 的磷酸化虽然不会阻碍 4E-BP1 与 eIF4E的结合,但会引导4E-BP1 后续在 Ser65 和 Thr70 的磷酸化 (5)。 1.Pause, A. et al. (1994) Nature 371, 762-7. 2.Brunn, G.J. et al. (1997) Science 277, 99-101. 3.Gingras, A.C. et al. (1998) Genes Dev 12, 502-13. 4.Fadden, P. et al. (1997) J Biol Chem 272, 10240-7. 5.Gingras, A.C. et al. (1999) Genes Dev 13, 1422-37.
研究领域
细胞生物学,神经科学,RNA 调节与翻译调控
翻译后修饰
Phosphate
制备和贮存
保存方式
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody. For a carrier free (BSA and azide free) version of this product see product #39788.
数据库链接
Entrez-Gene ID
1978
UniProt ID
Q13541

参考图片

Immunohistochemical analysis of paraffin-embedded human lymphoma using Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb.

使用Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb兔单抗,免疫组化分析人类淋巴瘤组织石蜡切片。

Immunohistochemical analysis using Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb on SignalSlide (TM) Phospho-Akt (Ser473) IHC Controls #8101 (paraffin-embedded LNCaP cells untreated (left) or LY294002-treated (right)).

使用Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb兔单抗,免疫组化分析SignalSlide (TM) Phospho-Akt (Ser473) IHC Controls #8101 (未处理(左图) 和LY294002处理 (右图)的石蜡包埋的LNCaP细胞。

Flow cytometric analysis of Jurkat cells, untreated (green) or LY294002, Wortmannin and U0126-treated (blue), using Phospho-4E-BP1 (Thr36/46) (236B4) Rabbit mAb compared to a nonspecific negative control antibody (red).

与阴性非特异的对照抗体(红色)比较,使用Phospho-4E-BP1 (Thr36/46) (236B4) Rabbit mAb兔单抗,流式细胞术分析Jurkat细胞,细胞分为未处理组(绿色)或LY294002、Wortmannin和U0126处理组(蓝色)。

Immunohistochemical analysis of paraffin-embedded human colon carcinoma using Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb.

使用Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb兔单抗,免疫组化分析人类结肠癌组织石蜡切片。

Immunohistochemical analysis of paraffin-embedded human colon carcinoma using Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb in the presence of control peptide (left) or Phospho-4E-BP1 (Thr37/46) Blocking Peptide #1052 (right).

使用Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb兔单抗,免疫组化分析人类结肠癌组织石蜡切片,其分别孵育对照多肽(左图)和Phospho-4E-BP1 (Thr37/46) Blocking Peptide #1052 (右图)。

Confocal immunofluorescent analysis of HeLa cells treated with LY294002 (left) or 20% serum (right) and labeled with Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb (green). Actin filaments have been labeled with Alexa Fluor® 555 phalloidin (red).

使用Phospho-4E-BP1 (Thr37/46) (236B4) Rabbit mAb兔单抗(绿色),共聚焦免疫荧光观察Miwi蛋白在HeLa细胞中定位,细胞分别使用LY294002处理(左图)或20%血清处理(右图)。Alexa Fluor® 555 phalloidin标记微丝蛋白(红色)。

Western blot analysis of extracts from 293T cells using 4E-BP1 Antibody #9452 (upper) and Phospho-4E-BP1 (Thr37/46) Antibody #2855 (lower). The cells were starved for 24 hours in serum-free medium and underwent a 1 hour amino acid deprivation. Amino acids were replenished for 1 hour. Cells were then either untreated (-) or treated with 100 nM insulin (+) for 30 minutes.

使用4E-BP1 Antibody #9452 (上图)和Phospho-4E-BP1 (Thr37/46) Antibody #2855 (下图),免疫印迹(Western Blot)分析293 T细胞系裂解物。细胞在无血清饥饿培养24小时,接着氨基酸缺乏培养1小时,然后再加入氨基酸培养1小时。最后,细胞加入100 nM胰岛素 (+)或不加(-)处理30分钟。

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货号:
2855S
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