Bst DNA Polymerase Large Fragment is part of Bacillus stearothermophilus DNA polymerase. It has 5’→3’ DNA polymerase activity and strong strand displacement activity, but lacks 5’→3’ exonuclease activity. Bst DNA Polymerase Large Fragment can be used for isothermal amplification reaction, isothermal amplification), RCA (Rolling-circle amplification), etc.   Strong chain displacement activity    Store at -20°C