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EIF2S1 monoclonal antibody

CAT: 0384-MB66601-01Size: 50 µLDry Ice: NoHazardous: No
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CAT#:0384-MB66601-01Size:50 µL
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Background
Phosphorylation of the eukaryotic initiation factor 2 (eIF2) α subunit is a well-documented mechanism to downregulate protein synthesis under a variety of stress conditions. eIF2 binds GTP and Met-tRNAi and transfers Met-tRNA to the 40S subunit to form the 43S preinitiation complex. eIF2 promotes a new round of translation initiation by exchanging GDP for GTP, a reaction catalyzed by eIF2B. Kinases that are activated by viral infection (PKR), endoplasmic reticulum stress (PERK/PEK), amino acid deprivation (GCN2), or heme deficiency (HRI) can phosphorylate the α subunit of eIF2. This phosphorylation stabilizes the eIF2-GDP-eIF2B complex and inhibits the turnover of eIF2B. Induction of PKR by IFN-γ and TNF-α induces potent phosphorylation of eIF2α at Ser51.
CAS Number
9007-83-4
Structure Composition
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide, pH 7.3.
Product Name Alternative
EIF2A; Eukaryotic translation initiation factor 2 subunit 1; Eukaryotic translation initiation factor 2 subunit alpha; eIF-2-alpha; eIF-2A; eIF-2alpha
Swiss Prot
P05198
Reactivity
Human, Mouse, Rat
Immunogen
Purified recombinant human eIF2α protein fragments expressed in E.coli.
Conjugation
Unconjugated
Applications
WB, IF/ICC, IP
Dilution
WB (1/500 - 1/1000), IF/ICC (1/50 - 1/100), IP (1/10 - 1/50)
Purity
The antibody was purified by immunogen affinity chromatography.
Modification
Unmodification
Molecular Weight
~ 38 kDa
Storage Conditions
Store at 4°C short term. Aliquot and store at -20°C long term. Avoid freeze-thaw cycles.
Notes
For research use only, not for use in diagnostic procedure.
Specificity
Recognizes endogenous levels of EIF2S1 protein.
Applications Notes
Western blot analysis of EIF2S1 expression in K562 (A), COS7 (B), NIH3T3 (C), C2C12 (D), MCF7 (E), C6 (F), Hela (G) whole cell lysates.
Host or Source
Mouse

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