Fig. 3: ωRNA architecture.
From: Structure of the IscB–ωRNA ribonucleoprotein complex, the likely ancestor of CRISPR-Cas9
a, b Schematic (a) and structure (b) of the ωRNA. Disordered nucleotides are indicated by circles with white backgrounds in a and dotted lines in b. c Close-up view of the nexus pseudoknot stem.
