1NMR:
reference: Solution structure of the C-terminal domain from poly(A)-binding protein in Trypanosoma cruzi: a vegetal PABC domain., Siddiqui N, Kozlov G, D'Orso I, Trempe JF, Gehring K, Protein Sci 2003 Sep;12(9):1925-33. PMID: 12930992

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