Fig. 1: The 8-17 DNAzyme.
From: The 8-17 DNAzyme can operate in a single active structure regardless of metal ion cofactor

A consensus structure, (B) construct used in the crystallographic study13, (C) construct used in this NMR investigation, (D) current paradigm for 8–17 DNAzyme interplay with divalent metal ion cofactors, (E) the tertiary fold observed in Pb2+-bound crystallographic structure, (F) the proposed catalytic mechanism.