| Biological Information | |
|---|---|
| Background Information: | PEK is a metabolic-stress sensing protein kinase that phosphorylates the alpha subunit of eukaryotic translation initiation factor 2 (EIF2S1/eIF-2-alpha) in response to various stress conditions. Key activator of the integrated stress response (ISR) required for adaptation to various stress, such as unfolded protein response (UPR) and low amino acid availability (By similarity).EIF2S1/eIF-2-alpha phosphorylation in response to stress converts EIF2S1/eIF-2-alpha in a global protein synthesis inhibitor, leading to a global attenuation of cap-dependent translation, while concomitantly initiating the preferential translation of ISR-specific mRNAs, such as the transcriptional activators ATF4 and QRICH1, and hence allowing ATF4- and QRICH1-mediated reprogramming. Serves as a critical effector of unfolded protein response (UPR)-induced G1 growth arrest due to the loss of cyclin-D1 (CCND1). Involved in control of mitochondrial morphology and function (By similarity). |
| Target Class: | Kinase |
| Accession Number: | Refer to CoA for Accession Number |
| Target Name: | PEK |
| Target Aliases: | PERK, WRS, EIF2AK3, DKFZp781H1925 |
| Target Species: | Human |
| Usage | |
| Product Type: | Enzymes |
| Application: | Drug Discovery & Development |
| Storage Conditions: | 6 months at -70°C |
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PEK, active
N-terminal 6His-tagged recombinant, human PEK amino acids 536-end.
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