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. 1997 Mar 18;94(6):2290–2294. doi: 10.1073/pnas.94.6.2290

Figure 1.

Figure 1

The hammerhead ribozyme HH16–substrate complex. Putative base pairing in the hammerhead ribozyme HH16–substrate complex. The hammerhead hairpin (Stem II) is shown with two G·A base pairs, as observed in the hammerhead crystal structures (4, 5).