Fig. 8: The P1 and P3 stems contain significant bends to their helical axis.
From: Scaffold-enabled high-resolution cryo-EM structure determination of RNA
A The J1c-3a and J4-1c junctions turn the helical axis of P1 relative to P3 by ~180°. The helical axis of the P1 and P3 stems is represented by black arrows. B The I3a-3b internal loop forms a ~90° bend of the helical axis between the P3a and P3b stems.
