Anti-Phospho-PKR (Thr446) antibody
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概述
- 产品描述An interferon-inducible, RNA-dependent protein serine/threonine kinase, PKR has various designations. Mouse PKR is known as DAI, dsJ, PI kinase, p65, p67 or TIK, whereas human PKR is known as p68 or p69. PKR phosphorylates its substrate, a subunit of protein synthesis initiation factor eIF-2 on Ser 51 to inhibit translation. PKR contains two dsRNA binding motifs required for its activation by dsRNA. Three kinds of regulation of PKR enzymatic activity occur, and these include transcriptional regulation in response to interferon, an autoregulatory mechanism controlling PKR expression at the level of translation, and posttranslational regulation by RNA mediated autophosphorylation. Human PKR contains at least 15 autophosphorylation sites, but only Thr-446 and Thr-451 in the activation loop are critical for its kinase activity. Thr-446 is the in vivo autophosphorylation site of PKR. Mutation of threonine to alanine at position 446 substantially reduces PKR function, and mutant kinase containing Ala-451 is completely inactive.
- 产品名称Anti-Phospho-PKR (Thr446) antibody
- 分子量68kDa
- 种属反应性Human,Mouse,Rat
- 验证应用WB,IP,IF,IHC-P
- 抗体类型兔多抗
- 免疫原Amino acid sequence containing phosphorylated Thr 446 of PKR of human origin.
- 偶联Non-conjugated
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性能
- 形态Liquid
- 浓度1 mg/mL.
- 存放说明Store at +4℃
- 存储缓冲液1*TBS (pH7.4), 1%BSA, 40%Glycerol. Preservative: 0.05% Sodium Azide.
- 亚型IgG
- 纯化方式Immunogen affinity purified
- 亚细胞定位Cytoplasm, Nucleus
- 其它名称
- Double stranded RNA activated protein kinase; antibody
- E2AK2_HUMAN antibody
- eIF-2A protein kinase 2 antibody
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应用
WB: 1:100-1:1,000
IP: 1-2 μg per 100-500 μg of total protein(1 ml of cell lysate)
IF: 1:50-500
IHC-P: 1:50-500
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Fig1: Western blot analysis of phosphorylated PKR expression in K-562 (A) and starved K-562 (B) whole cell lysates.
Fig2: Immunoperoxidase staining of formalin-fixed, paraffin-embedded human colon carcinoma tissue showing cytoplasmic staining.
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