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. 2017 Dec;23(12):1902–1926. doi: 10.1261/rna.061010.117

FIGURE 14.

FIGURE 14.

Substitution of several amino acids within Cid1 NRM increases its specificity toward CTP. (A) Length distribution for tails added by wild-type (WT) and D330E/E333N/H336R triple mutant (PCP) Cid1 variants to ss22-A4 (left) and ss22-U4 (right) oligoribonucleotide substrates. Numbers of analyzed sequences, obtained after 3′-RACE-seq high-throughput analysis for each protein variant, are indicated in parentheses. (B,C) Analysis of nucleotide composition for tails added by Cid1 WT and PCP variants to ss22-A4 (panel B) and ss22-U4 (panel C) RNA substrates. Results are presented as in Figure 6.