| 產(chǎn)品編號(hào) | bs-3335R |
| 英文名稱 | Rabbit Anti-Phospho-PKR (Thr446) antibody |
| 中文名稱 | 磷酸化干擾素誘導(dǎo)的雙鏈RNA活化蛋白激酶抗體 |
| 別 名 | PKR (phospho T446); p-PKR (phospho T446); PKR(Phospho-Thr446); double-stranded RNA-dependent Protein Kinase; interferon-induced, double-stranded RNA-activated protein kinase isoform a; protein kinase, interferon-inducible double stranded RNA dependent; interferon-inducible elF2alpha kinase; double stranded RNA activated protein kinase; p68 kinase; eIF-2A protein kinase 2; P1/eIF-2A protein kinase; protein kinase RNA-activated; interferon-inducible RNA-dependent protein kinase; EIF2AK2; EIF2AK1; MGC126524; PKR; PRKRv; E2AK2_HUMAN. |
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Specific References (1) | bs-3335R has been referenced in 1 publications.
[IF=3.322] Hyeon Jin Kim. et al. Structural study of novel vaccinia virus E3L and dsRNA-dependent protein kinase complex. BIOCHEM BIOPH RES CO. 2023 Jul;665:1 IF ; Human.
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| 產(chǎn)品類型 | 磷酸化抗體 |
| 研究領(lǐng)域 | 腫瘤 免疫學(xué) 信號(hào)轉(zhuǎn)導(dǎo) 細(xì)胞凋亡 轉(zhuǎn)錄調(diào)節(jié)因子 激酶和磷酸酶 |
| 抗體來源 | Rabbit |
| 克隆類型 | Polyclonal |
| 交叉反應(yīng) | Human,Mouse,Rat |
| 產(chǎn)品應(yīng)用 | WB=1:500-2000,IHC-P=1:100-500,IHC-F=1:100-500,Flow-Cyt=2ug/Test,IF=1:100-500
not yet tested in other applications. optimal dilutions/concentrations should be determined by the end user. |
| 理論分子量 | 62kDa |
| 細(xì)胞定位 | 細(xì)胞核 細(xì)胞漿 |
| 性 狀 | Liquid |
| 濃 度 | 1mg/ml |
| 免 疫 原 | KLH conjugated Synthesised phosphopeptide derived from human PKR around the phosphorylation site of Thr446: KR(p-T)RS |
| 亞 型 | IgG |
| 純化方法 | affinity purified by Protein A |
| 緩 沖 液 | 0.01M TBS (pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol. |
| 保存條件 | Shipped at 4℃. Store at -20℃ for one year. Avoid repeated freeze/thaw cycles. |
| 注意事項(xiàng) | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
| PubMed | PubMed |
| 產(chǎn)品介紹 |
PKR is an interferon-inducible serine/threonine specific protein kinase. It is widely expressed in eukaryotic organisms and activated by double stranded RNA. Activation of PKR by dsRNAs leads to autophosphorylation at multiple sites. Phosphorylation of Thr446 and Thr451 in the PKR activation loop is required in vivo and in vitro for high level kinase activity. PKR phosphorylates its natural substrate, the alpha subunit of eukaryotic protein synthesis initiation factor 2 (EIF2 alpha), leading to the inhibition of protein synthesis. PKR is also involved in TLR signaling and mediates apoptosis in fibroblasts in response to viral infection and inflammatory cytokines, and also activates IKK and NFKB, thereby suppressing apoptosis. Recently, it has been reported that PKR also phosphorylates human p53 on serine 392. PKR might play a role in ER stress-induced apoptosis and in Alzheimer's disease. Alzheimer cases show prominent PKR activation in association with neuritic plaques and pyramidal neurons in the hippocampus and neocortex. Function: Following activation by double-stranded RNA in the presence of ATP, the kinase becomes autophosphorylated and can catalyze the phosphorylation of the translation initiation factor EIF2S1, which leads to an inhibition of the initiation of protein synthesis. Double-stranded RNA is generated during the course of a viral infection. In adddition to serine/threonine-protein kinase activity, also has tyrosine-protein kinase activity: phosphorylates CDK1 upon DNA damage. CDK1 phosphorylation triggers CDK1 polyubiquitination and subsequent proteolysis, thus leading to G2 arrest. Subunit: Homodimer. Interacts with STRBP (By similarity). Interacts with DNAJC3. Inhibited by direct interaction with viral proteins such as HCV E2, HCV NS5A and influenza A NS1. Activated by the interaction with HIV-1 Tat. Forms a complex with FANCA, FANCC, FANCG and HSP70. Post-translational modifications: Autophosphorylated on several Ser and Thr residues. Autophosphorylation of Thr-451 is dependent on Thr-446 and is stimulated by dsRNA binding and dimerization. Autophosphorylation apparently leads to the activation of the kinase. Similarity: Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. GCN2 subfamily. Contains 2 DRBM (double-stranded RNA-binding) domains. Contains 1 protein kinase domain. SWISS: P19525 Gene ID: 5610 Database links: Entrez Gene: 5610 Human Omim: 176871 Human SwissProt: P19525 Human Unigene: 131431 Human 蛋白激酶R/雙鏈RNA依賴蛋白激酶（PKR）是一種干擾素誘導(dǎo)的、雙鏈RNA激活的絲氨酸/蘇氨酸激酶, PKR在信號(hào)轉(zhuǎn)導(dǎo)、細(xì)胞生長(zhǎng)、分化和凋亡的控制中起重要作用.也有人認(rèn)為：PKR是一個(gè)重要的凋亡效應(yīng)物,是許多不同刺激物誘導(dǎo)凋亡的一個(gè)轉(zhuǎn)導(dǎo)物。 |
| 產(chǎn)品圖片 |
Sample:Brain(Mouse) lysate at 30ug;
Primary: Anti-phospho-PKR (Thr446) (bs-3335R) at 1:300 dilution;
Secondary: HRP conjugated Goat Anti-Rabbit IgG(bs-0295G-HRP) at 1: 5000 dilution;
Predicted band size : 62kD
Observed band size : 62kD
Sample:
Lane 1: Human K562 cell lysates
Lane 2: Human A431 cell lysates
Primary: Anti-Phospho-PKR (Thr446) (bs-3335R) at 1/1000 dilution
Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
Predicted band size: 62 kDa
Observed band size: 60 kDa
Tissue/cell: rat brain tissue; 4% Paraformaldehyde-fixed and paraffin-embedded;
Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,C-0005) at 37℃ for 20 min;
Incubation: Anti-Phospho-PKR (Thr446) Polyclonal Antibody, Unconjugated(bs-3335R) 1:200, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(C-0010) staining
Blank control（black line）:Hela.
Primary Antibody (green line): Rabbit Anti-Phospho-PKR (Thr446) antibody (bs-3335R)
Dilution:2ug/Test;
Secondary Antibody（white blue line）: Goat anti-rabbit IgG-AF488
Dilution: 0.5ug/Test.
Isotype control（orange line）: Normal Rabbit IgG
Protocol
The cells were fixed with 4% PFA (10min at room temperature)and then permeabilized with 90% ice-cold methanol for 20 min at -20℃, The cells were then incubated in 5%BSA to block non-specific protein-protein interactions for 30 min at room temperature .Cells stained with Primary Antibody for 30 min at room temperature. The secondary antibody used for 40 min at room temperature. Acquisition of 20,000 events was performed.
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