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You are here:Home » Antibodies » Abs to Translation Initiation Factors » Anti -Eukaryotic Translation Initiation Factor 2 alpha Kinase 4, phosphorylated (Thr667) (eIF2AK4, GCN2, General Control Nonderepressible 2)

Anti -Eukaryotic Translation Initiation Factor 2 alpha Kinase 4, phosphorylated (Thr667)
(eIF2AK4, GCN2, General Control Nonderepressible 2)

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Specifications

Clone Host Grade Applications
Monoclonal Rabbit Supernatant B IP
In eukaryotic cells, protein synthesis is regulated in response to various environmental stresses by phosphorylating the alpha subunit of the eukaryotic initiation factor 2 (eIF2alpha). Four different eIF2alpha kinases have been identified in mammalian cells, the heme-regulated inhibitor (HRI), the interferon-inducible RNA-dependent kinase (PKR) and the endoplasmic reticulum-resident kinase (PERK) and GCN2, which was previously characterized from Saccharomyces cerevisiae, Drosophila melanogaster and Neurospora crassa. GCN2 is the unique eIF2alpha kinase present in all eukaryotes from yeast to mammals (1). GCN2, a sensor of amino acid deficiency, plays a key role in yeast and mammals in modulating amino acid metabolism as part of adaptation to nutrient deprivation. The role of GCN2 in adaptation to long-term amino acid deprivation in mammals, however, is poorly understood. GCN2-deficient mice developed liver steatosis and exhibited reduced lipid mobilization. Liver steatosis in Gcn2(-/-) mice was found to be caused by unrepressed expression of lipogenic genes, including Srebp-1c and Fa (2). Results demonstrate that PERK and GCN2 function to cooperatively regulate eIF2alpha phosphorylation and cyclin D1 translation after unfolded protein response pathway activation (3).
Catalog #E8949-18A
ApplicationsSuitable for use in Western Blot, Immunoprecipitation. Other applications not tested.
Recommended DilutionWestern Blot: 1:1000-2000
Immunoprecipitation: 1:30
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. For long-term storage, store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Manufactured incorporating RabMAb® technology under Epitomics US patents, No 5,675,063 and 7,429,487, owned by Abcam.
Clone TypeMonoclonal
IsotypeIgG
Clone No9E290
HostRabbit
SourceHuman
ConcentrationNot determined
FormSupplied as a liquid in 50mM Tris-glycine, pH 7.4, 0.15M sodium chloride, 40% glycerol, 0.01% sodium azide, 0.05% BSA.
PuritySupernatant
ImmunogenA phospho specific peptide corresponding to residues surrounding threonine 667 of human GCN2.
SpecificityRecognizes GCN2 phosphorylyated at threonine 667.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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