BS05-BST 2.0 DNA Polymerase, BST 2.0 DNA Polymerase is a homolog of Bacillus stearothermophilus DNA polymerase (BST DNA Polymerase, Large Fragment), derived from E.coli strain.

BS04-Bsu DNA Polymerase, Bsu DNA polymerase is a full-length protein of DNA polymerase A from Bacillus subtilis, which has a 5 '→ 3' exonuclease domain.