Promega, P4024, T3 RNA Polymerase

DNA-Dependent RNA Polymerase Specific for T3 Promoter Sequences
Exhibits extremely high affinity and specificity for T3 promoter sequences
>90% pure as determined by SDS polyacrylamide gel electrophoresis
Free of detectable levels of contaminating RNase and DNase activity (<1% release)
Supplied at a concentration of 10–20u/μl (Cat.# P2083) and 80u/µl (Cat.# P4024)