Source: Expressed in Escherichia coli, expressing the gene for bacteriophage T7 RNA polymerase
Specification: 5000U
Includes: 5×RNA Polymerase Reaction Buffer, Specification 3mL, 100 mM DTT, Specification 3mL
Storage Temperature & Shelf Life: Stored at -20°C, shelf life of 24 months
Enzyme Storage Buffer: 50 mM Tris-HCl (pH 7.9), 100 mM NaCl, 1 mM EDTA, 20 mM β-mercaptoethanol, 0.1% Triton® X-100, 50% glycerol
1×RNA Polymerase Reaction Buffer Composition: 40 mM Tris-HCl (pH 7.9), 10 mM DTT, 6 mM MgCl2, 2 mM spermidine
Enzyme Activity Unit Definition: In a 100μL system, 1 unit of enzyme is defined as the amount needed to incorporate 5 nmol of ATP into a polymeric nucleotide at 37°C within one hour
Enzyme Activity Test Conditions: In a 50μL reaction system containing 1×RNA Polymerase Reaction Buffer, 2mM NTPs (0.5mM each of ATP, UTP, CTP, GTP), 10mM DTT, and 1μg of T7 promoter-bearing DNA template
Quality Assurance: T7 RNA Polymerase does not contain other nucleases such as SP6 or T3 RNA polymerase, DNAases, and RNAases.