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. 2020 Mar 30;48(8):4448–4462. doi: 10.1093/nar/gkaa201

Figure 8.

Figure 8.

Assay of oligonucleotide cleavage by full length and mutant MsmTOP1 Oligonucleotide substrate was present at 100 nM concentration in each assay. (A) Cleavage of 32-base long STS32 oligo increases with increasing enzyme concentration from 0.125:1 to to 1:1 protein–oligonucleotide ratio. (B) Cleavage of 14 base long MTS3-14 oligonucleotide by full length MsmTOP1 can be observed at protein-oligonucleotide ratio at 0.125:1 or 0.25:1 but not at higher protein-oligonucleotide ratios.