Enhancement of Polymerase Activity of the Large Fragment in DNA Polymerase I from<i> Geobacillus stearothermophilus</i> by Site-Directed Mutagenesis at the Active Site

<div>SDS-PAGE analysis of recombinant Bst DNA pol LF and mutant enzymes purified by one-step affinity chromatography. M: protein ladder marker shown in kDa on the left sides of panels; 1: WT Bst DNA pol LF; 2: LF mutant D540A; 3: LF mutant D540E; 4: LF mutant G310A; 5: LF mutant G310L; 6: LF mutant R412A; 7: LF mutant R412E; 8: LF mutant K416A; 9: LF mutant K416D; 10: LF mutant G310A-D540E; 11: LF mutant G310L-D540E; 12: commercial Bst 2.0 DNA polymerase.</div>

BioMed Research International

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Figure 3

Figure 3: Enhancement of Polymerase Activity of the Large Fragment in DNA Polymerase I from<i> Geobacillus stearothermophilus</i> by Site-Directed Mutagenesis at the Active Site 

Figure 3 | Enhancement of Polymerase Activity of the Large Fragment in DNA Polymerase I from Geobacillus stearothermophilus by Site-Directed Mutagenesis at the Active Site 