General Info
| Host: | Rabbit |
| Applications: | IF/WB/IHC/ELISA |
| Reactivity: | Human/Mouse/Rat |
| Note: | STRICTLY FOR FURTHER SCIENTIFIC RESEARCH USE ONLY (RUO). MUST NOT TO BE USED IN DIAGNOSTIC OR THERAPEUTIC APPLICATIONS. |
| Short Description: | Rabbit polyclonal antibody anti-Phospho-Eukaryotic translation initiation factor 2-alpha kinase 3-Thr981 (947-996 aa) is suitable for use in Immunofluorescence, Western Blot, Immunohistochemistry and ELISA research applications. |
| Clonality: | Polyclonal |
| Conjugation: | Unconjugated |
| Isotype: | IgG |
| Formulation: | Liquid in PBS containing 50% Glycerol, 0.5% BSA and 0.02% Sodium Azide. |
| Purification: | The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen. |
| Concentration: | 1 mg/mL |
| Dilution Range: | IF 1:50-200WB 1:500-2000IHC 1:100-1:300ELISA 1:40000 |
| Storage Instruction: | Store at-20°C for up to 1 year from the date of receipt, and avoid repeat freeze-thaw cycles. |
Information
| Gene Symbol: | EIF2AK3 |
| Gene ID: | 9451 |
| Uniprot ID: | E2AK3_HUMAN |
| Immunogen Region: | 947-996 aa |
| Specificity: | Phospho-PERK (T981) Polyclonal Antibody detects endogenous levels of PERK protein only when phosphorylated at T981. |
| Immunogen: | The antiserum was produced against synthesized peptide derived from the human PEK/PERK around the phosphorylation site of Thr981 at the amino acid range 947-996 |
Description
| Post Translational Modifications | Oligomerization of the N-terminal ER luminal domain by ER stress promotes PERK trans-autophosphorylation of the C-terminal cytoplasmic kinase domain at multiple residues including Thr-982 on the kinase activation loop. Autophosphorylated. Phosphorylated at Tyr-619 following endoplasmic reticulum stress, leading to activate its tyrosine-protein kinase activity. Dephosphorylated by PTPN1/TP1B, leading to inactivate its enzyme activity. N-glycosylated. ADP-ribosylated by PARP16 upon ER stress, which increases kinase activity. |
| Function | 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. 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. |
| Protein Name | Eukaryotic Translation Initiation Factor 2-Alpha Kinase 3Prkr-Like Endoplasmic Reticulum KinasePancreatic Eif2-Alpha KinaseHspek |
| Database Links | Reactome: R-HSA-381042Reactome: R-HSA-9700645Reactome: R-HSA-9725370 |
| Cellular Localisation | Endoplasmic Reticulum MembraneSingle-Pass Type I Membrane Protein |
| Alternative Antibody Names | Anti-Eukaryotic Translation Initiation Factor 2-Alpha Kinase 3 antibodyAnti-Prkr-Like Endoplasmic Reticulum Kinase antibodyAnti-Pancreatic Eif2-Alpha Kinase antibodyAnti-Hspek antibodyAnti-EIF2AK3 antibodyAnti-PEK antibodyAnti-PERK antibody |
Information sourced from Uniprot.org
12 months for antibodies. 6 months for ELISA Kits. Please see website T&Cs for further guidance