| 5CNR: reference: Crystal-Structure-Guided Design of Self-Assembling RNA Nanotriangles., Boerneke MA, Dibrov SM, Hermann T, Angew Chem Int Ed Engl. 2016 Feb 23. doi: 10.1002/anie.201600233. PMID: 26914842 |
This OCA 
Structure page
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(documentation).