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. 2019 Jul 9;9:9947. doi: 10.1038/s41598-019-46349-8

Figure 6.

Figure 6

Interaction of the wild-type and mutant polymerases with an AP-containing ssDNA. Assays were carried out as described in Materials and Methods. Representative SPR sensorgrams for binding of increasing concentrations (23–300 nM) of either the wild-type or the indicated PolXBs variant to the immobilized 3′-biotinylated oligonucleotide THF-11B are shown. The black lines are sensorgrams obtained from duplicate injections of each protein concentration and the red lines depict the global fits to a 2:1 bivalent interaction model.