x-VITA Taq Polymerase proofreading 

Derived from the hyperthermophilic archaeon Pyrococcus furiosus, it possesses superior thermostability and error correction properties (3′ to 5′ exonuclease activity), allowing it to correct nucleotide misincorporation errors. PCR products result in blunt ends, which are ideal for cloning into vectors. Elongation rate of 1 kb/min (70 – 75 °C)