| Description | Recombinant protein from the full-length sequence of homo sapiens eukaryotic translation initiation factor 2 subunit alpha (EIF2S1) (NM_004094), with a His tag. |
| Host | Human cells |
| RefSeq Link | NM_004094; NP_004085; UniProt#: P05198; GeneID: 1965; |
| Synonyms | EIF-2; EIF-2A; EIF-2alpha; EIF2; EIF2A |
| Molecular Weight | 35.9 kDa |
| Purity | >90% by SDS-PAGE gel and Coomassie Blue staining |
| Applications | Antigens, Western, ELISA and other in vitro binding or in vivo functional assays, and protein-protein interaction studies; For research & development use only! |
| Formulation | Purified protein formulated in a sterile solution of PBS buffer, pH7.2, without any preservatives |
| Endotoxin | >Endotoxin level is < 0.1 ng/µg of protein (<1EU/µg) |
| Background | 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 36-kD EIF2-alpha subunit (EIF2S1), the 38-kD EIF2-beta subunit (EIF2S2; MIM 603908), and the 52-kD 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 [PubMed 2948954]).[supplied by OMIM, Feb 2010]. |
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