RNase H mapping of gCYb-558
and 5′CYbPES1T crosslink. Lanes 1–4,
5′CYbPES1T mRNA only; lanes 5–8,
3′-crosslinked gCYb-558 and 5′CYbPES1T.
All lanes were treated with RNase H. Thick horizontal lines on the
left, mRNA alone; thick and thin lines on the right, crosslinked
mRNA and gRNA, respectively.