Anti-phospho-EIF2S1 (pSer⁵¹) antibody produced in rabbit

Peptide sequence around phosphorylation site of serine 51 (E-L-S(p)-R-R), according to the protein EIF2S1.

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Functions in the early steps of protein synthesis by forming a ternary complex with GTP and initiator tRNA. This complex binds to a 40S ribosomal subunit, followed by mRNA binding to form a 43S preinitiation complex. Junction of the 60S ribosomal subunit to form the 80S initiation complex is preceded by hydrolysis of the GTP bound to eIF-2 and release of an eIF-2-GDP binary complex. In order for eIF-2 to recycle and catalyze another round of initiation, the GDP bound to eIF-2 must exchange with GTP by way of a reaction catalyzed by eIF-2B.

Solution in phosphate-buffered saline containing 0.02% sodium azide and 50% glycerol

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