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. 2006 Jul;12(7):1315–1322. doi: 10.1261/rna.78606

FIGURE 2.

FIGURE 2.

Proposed structures of the base pairs substituted at the −1:73 position of E. coli and S. cerevisiae microhelixHis. (A) Substitutions that were made at position G-1 in the context of E. coli microhelixHis. (B) Substitutions that were made at position A73 of S. cerevisiae microhelixHis, except for the G:dAb substitution, which was made in the E. coli microhelixHis. Numbers in parentheses are fold decrease in k cat/K M relative to wild type. Values indicated with a double dagger (‡) were corrected for a deoxy effect.