Figure 2. Fingerprint regions of two NOESY spectra recorded at 150 ms mixing times and 288 K of the wt-TLDaa (left) and Δ1-TLDaa (right). The spectra are almost identical, except for the boxed cross-peaks arising from m⁵U₃₈ that are absent when the RNA is overproduced in the ΔtrmA strain.