1ELH:
reference: NMR analysis of helix I from the 5S RNA of Escherichia coli., White SA, Nilges M, Huang A, Brunger AT, Moore PB, Biochemistry 1992 Feb 18;31(6):1610-21. PMID: 1371071

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