Recombinant Human Protein Kinase R (PKR) is a purified Prokaryotic Protein. Purity: >80% by SDS-PAGE. Host: E. coli. Endotoxin Level: <1.0EU per 1ug, by the LAL method. Species: Human (Homo sapiens). Target Name: Protein Kinase R (PKR). Target Synonyms: PRKR, PRK-R, EIF2AK2, EIF2AK1, Eukaryotic Translation Initiation Factor 2 Alpha Kinase 2, Interferon-induced, double-stranded RNA-activated protein kinase, P1/eIF-2A kinase. Accession Number: P19525. Gene ID: 5610. Expression Region: Ser224~Ile502. Tag Info: N-terminal His Tag. Theoretical MW: 32kDa. Buffer: PBS, pH7.4, containing 0.01% SKL, 5% Trehalose. Storage: -20C. Avoid repeated freeze/thaw cycles. Restrictions: For Research Use Only. Not for use in diagnostic procedures.