Difinition of activity: Activity of 1 nanomole intake of dTMP in 10 min is considered 1 unit with poly(rA) and oligo(dT) as template and primer at 37℃. Conditions of measurement: 50 mM Tris-HCl (pH 8.3) 10 mM MgCl2 50mM KCl 3 mM DTT 0.1% Nonidet P-40 20 g/ml poly(rA)・oligo(dT)12-18 0.5 mM dTTP(([3H]dTTP ~1 x 105 cpm) and 10-50 units/ml reverse transcriptase. Purity: Over 90% by SDS-PAGE (CBB staining) Protein concentration: 0.5 mg/ml as measured by BCA method Specific activity: 5000 units/ml Form: 50% glycerol 40 mM Tris-HCl (pH8.3) 50 mM NaCl 5 mM MgCl2 0.1% Triton X-100 1mM DTT Storage: -20℃
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