货号 |
bs-3335R-1 |
品牌 |
|
浓度 |
|
货期 |
现货 |
英文名称 |
Rabbit Anti-Phospho-PKR (Thr446) antibody |
中文名称 |
Rabbit Anti-Phospho-PKR (Thr446) antibody |
产品标签 |
磷酸化抗体 |
研究领域 |
肿瘤,免疫学,信号转导,细胞凋亡,转录调节因子,激酶和磷酸酶 |
英文别名 |
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; in |
反应物种(已验证) |
Human,Mouse,Rat |
产品应用(已验证) |
WB,IHC,FCM |
产品应用(可推荐) |
IF,ELISA |
推荐稀释比例 |
WB=1:500-2000,Elisa=1:5000-10000,IHC-P=1:100-500,IHC-F=1:100-500,Flow Cyt=2ug/Test,IF=1:100-500, |
克隆类型 |
多克隆 |
抗体来源 |
Rabbit |
理论分子量 |
62 |
细胞定位 |
细胞核,细胞浆 |
性状 |
Liquid |
免疫原 |
KLH conjugated Synthesised phosphopeptide derived from human PKR around the phosphorylation site of Thr446 |
抗原表位 |
KR(p-T)RS |
亚型 |
IgG |
纯化方法 |
affinity purified by Protein A |
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. |
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 |
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 |
Post-translational |
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. |
SWISS |
P19525 |
Gene ID |
5610 |
保存条件 |
Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. |
Important Note |
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
英文介绍 |
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. |