Purity: > 95% by SDS - PAGE Format: Liquid. 20mM Tris-HCl buffer (pH8.0) containing 20% glycerol, 0.1M NaCl,1mM DTT. EEF1E1, also known as, eukaryotic translation elongation factor 1 epsilon-1, shares sequence similarity with the amino-terminal ends of the Beta and Gamma subunits of EF-1. By specifically interacting with MetRS, this protein binds to a macromolecular tRNA synthtase complex that catalyzes the ligation of specific amino acids to their cognate tRNAs. upon DNA damage, it translocates to the nucleus where it interacts with ATM and ATR, resulting in p53 activation. Recombinant human EEIF1E1 protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography.