EIF2AK1 (HRI) or eukaryotic translation initiation factor 2-alpha kinase 1 acts at the level of translation initiation to downregulate protein synthesis in response to stress. EIF2AK1 (HRI) is a kinase that can be inactivated by hemin and is activated by heme deficiency and other stimuli and is a major protein kinase that phosphorylates EIF2-alpha. EIF2AK1 (HRI) is downregulated in the majority of ovarian cancers compared with normal ovarian tissues. EIF2AK1 (HRI) functions in iron homeostasis and may play a role in hemolytic and inflammatory anemia.||Source:|Recombinant protein corresponding to human EIF2AK1, fused to GST-Tag at N-terminal expressed in Insect cells.||Molecular Weight:|~120kD||Specific Activity:|12nmol/min/mg as per activity assay protocol.||Endotoxin:|<1EU/ug (LAL)||Storage and Stability:|Aliquot to avoid repeated freezing and thawing and store at -70°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

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