
FIGURE 1.
Cloverleaf structures of (A) wild-type tRNAGln; (B) the GlnAGGU tRNA mutant (Bullock et al. 2000); and (C) the GlnQSerC44 tRNA mutant (Nissan et al. 1999). Nucleotides that differ from the wild-type tRNAGln sequence are shown as bold letters on the tRNA mutant structures.










