6VMY:
reference: Crystal structure of an atypical cobalamin riboswitch reveals RNA structural adaptability as basis for promiscuous ligand binding., Chan CW, Mondragon A, Nucleic Acids Res. 2020 Jun 16. pii: 5858114. doi: 10.1093/nar/gkaa507. PMID: 32544228

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).