

| Numéro de catalogue | HC773012 |
|---|---|
| Description |
Recombinant Human EIF2AK4 Protein, N-His (HC773012) expressed in E. coli, spanning Pro788-Thr1020. Purity: >90% by SDS-PAGE.
Highlights
|
| Système d'expression | E. coli |
| Numéro d'accès | Q9P2K8 |
| Longueur de protéine | Pro788-Thr1020 |
| Applications | ELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress |
| Espèces | Homo sapiens (Human) |
| Nature | Recombinant |
| Niveau d'endotoxines | Please contact with the lab for this information. |
| Pureté | >90% as determined by SDS-PAGE. |
| Masse moléculaire prédite | 28.78 kDa |
| Forme | Lyophilized |
| Tampon de stockage | Lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol. Reférez-vous aux informations spécifiques sur le tampon dans la copie papier du datasheet ou dans le COA spécifique au lot. |
| Reconstitution | Reconstitute in sterile water for a stock solution. A copy of datasheet will be provided with the products, please refer to it for details. |
| Expédition | In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise. |
| Stabilité et stockage | Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt. |
| Noms alternatifs | EC:2.7.11.1, EIF2AK4, Eukaryotic translation initiation factor 2-alpha kinase 4, GCN2, GCN2-like protein, KIAA1338, eIF-2-alpha kinase GCN2 |
| Contexte | eIF-2-alpha kinase GCN2 is a ~186 kDa protein. Metabolic-stress sensing protein kinase that phosphorylates the alpha subunit of eukaryotic translation initiation factor 2 (EIF2S1/eIF-2-alpha) in response to low amino acid availability. Plays a role as an activator of the integrated stress response (ISR) required for adaptation to amino acid starvation. EIF2S1/eIF-2-alpha phosphorylation in response to stress converts EIF2S1/eIF-2-alpha into a global protein synthesis inhibitor, leading to a global attenuation of cap-dependent translation, and thus to a reduced overall utilization of amino acids, while concomitantly initiating the preferential translation of ISR-specific mRNAs, such as the transcriptional activator ATF4, and hence allowing ATF4-mediated reprogramming of amino acid biosynthetic gene expression to alleviate nutrient depletion. Binds uncharged tRNAs. Required for the translational induction of protein kinase PRKCH following amino acid starvation. 1. Roobol, A. et al. (2015) The Biochemical journal 465, 213-25. PMID: 25329545 2. Wu, CC. et al. (2020) Cell 182, 404-416.e14. PMID: 32610081 3. Lehman, SL. et al. (2015) PLoS genetics 11, e1005212. PMID: 26102367 |
| Note | For research use only |
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