1UTR:
reference: Solution structure of a mammalian PCB-binding protein in complex with a PCB., Hard T, Barnes HJ, Larsson C, Gustafsson JA, Lund J, Nat Struct Biol 1995 Nov;2(11):983-9. PMID: 7583672

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