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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: Wiley Interdiscip Rev RNA. 2017 Nov 3;9(1):10.1002/wrna.1452. doi: 10.1002/wrna.1452

Figure 1. Design and construction of various RNA triangular nanostructures.

Figure 1

(a) RNA nanotriangle designed and formed from four RNA oligos with pRNA-3WJ motifs at the corners56. Adapted with permission from Ref.56 © 2014 Oxford University Press. (b) RNA nanotriangles designed and formed from two RNA oligos with two k-turn units at each corner (PDB: 4SC1)51. Adapted with permission from Ref.51 © 2016 The Royal Society of Chemistry. (c) RNA-protein complex nanotriangle designed and formed utilizing the interaction of k-turn motif and L7Ae protein52. Adapted with permission from Ref.52 © 2011 Nature Publishing Group. (d) RNA nanotriangles designed and formed from four RNA oligos with either short or long IIa motif (PDB: 4P97, 4PHY)53. Adapted with permission from Ref.53 © 2016 John Wiley & Sons, Inc. (e) RNA nanotriangle designed from three tetra-Us as building unit at the corner. Adapted with permission from Ref.54 © 2017 Elsevier Inc. (f) RNA nanotriangle designed and formed from four RNA oligos with 3WJ motifs (PDB:11836) at the corners15. Adapted with permission from Ref.15 © 2011 American Chemical Society. (g) RNA triangles designed using loop-loop interactions. Three pRNA monomers A-b’, B-e’ and E-a’ form interlocking loops to form the triangle. Adapted with permission from Ref.57 © 2004 American Chemical Society.