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. 2022 Jun 30;608(7923):618–625. doi: 10.1038/s41586-022-05009-0

Fig. 4. Cleavage by MIWI piRISC is sensitive to the complementarity between the piRNA and target.

Fig. 4

a, MIWI piRISC target cleavage in the presence of GTSF1 for targets with varying complementarity to synthetic piRNA guide. Top, multiple-turnover conditions; bottom, single-turnover conditions. All reactions contained saturating amounts of GTSF1. b, Target-cleavage assay using targets complementary to piRNA guide nucleotides g2–g16 or g2–g30 and MIWI or MILI loaded with piRNAs of the indicated lengths, with or without GTSF1 (mean ± s.d., n = 3). c, Absolute and relative pre-steady-state and steady-state rates of cleavage of the g2–g30 target by MIWI loaded with piRNAs of the indicated lengths in the presence of GTSF1 (mean ± s.d., n = 3), Eapparent, apparent active enzyme concentration estimated from fitting data to equation (1). For gel source data, see Supplementary Fig. 1.