T7 RNA Polymerase is a DNA-dependent RNA polymerase with a high
specificity for T7 promoter sequences. The enzyme will incorporate
3H, 32P and 35S-labeled nucleotide triphosphates.
5 X Buffer
200 mM Tris-HCl (pH 7.9) 30 mM MgCl2 10 mM Spermidine
50 mM NaCl