Description_x000D_ Application_x000D_ Ribonuclease H from Escherichia coli has been used in a study to assess metallobiochemistry of the magnesium ion. Ribonuclease H has also been used in a study to investigate selective inhibitors of HIV-1 reverse transcriptase associated Rnase H activity._x000D_ Packaging_x000D_ 1 vial in glass bottle_x000D_ 4 vials in glass bottle_x000D_ Unit Definition_x000D_ One unit hydrolyzes 1.0 nanomole RNA in 3H-labeled poly(A) • poly(dT) to acid soluble material in 20 min at 37 °C._x000D_ Physical form_x000D_ Solution in 50% glycerol containing 20 mM Tris-HCl, pH 7.5, 100 mM KCl, 10 mM MgCl2, 0.1 mM EDTA, 0.1 mM DTT and 0.05 mg BSA per ml