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210637 Rabbit Anti-EIF2S1, phosphorylated (S51) (Eukaryotic Translation Initiation Factor 2 Subunit 1, EIF2, EIF-2, EIF2A, EIF-2A, EIF-2alpha)

Specifications
Clone Type
Polyclonal
Host
Rabbit
Source
Human
Swiss Prot
P05198
Isotype
IgG
Grade
Affinity Purified
Applications
IF WB
Crossreactivity
Hu Mo Rt
Gene ID
1965
Shipping Temp
Blue Ice
Storage Temp
-20°C

The translation initiation factor EIF2 catalyzes the first regulated step of protein synthesis initiation, promoting the binding of the initiator tRNA to 40S ribosomal subunits. Binding occurs as a ternary complex of methionyl-tRNA, EIF2, and GTP. EIF2 is composed of 3 nonidentical subunits, the 36kD EIF2-alpha subunit (EIF2S1), the 38-kD EIF2-beta subunit (EIF2S2; MIM 603908), and the 52kD EIF2-gamma subunit (EIF2S3; MIM 300161). The rate of formation of the ternary complex is modulated by the phosphorylation state of EIF2-alpha (Ernst et al., 1987)

Applications
Suitable for use in Immunofluorescence and Western Blot. Other applications not tested.
Recommended Dilution
Western Blot: 1:500-1:2000 Immunofluorescence: 1:100-1:200 Optimal dilutions to be determined by the researcher.
Storage and Stability
May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months after receipt. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Immunogen
Phospho specific peptide corresponding to residues surrounding S51 of human EIF2S1.
Form
Supplied as a liquid in PBS, pH 7.3, 0.02% sodium azide, 50% glycerol.
Purity
Purified by affinity chromatography.
Specificity
Recognizes EIF2S1, phosphorylated S51. Species Crossreactivity: human, mouse, rat
Conjugates
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