1FJC:
reference: Solution structure of the two N-terminal RNA-binding domains of nucleolin and NMR study of the interaction with its RNA target., Allain FH, Gilbert DE, Bouvet P, Feigon J, J Mol Biol 2000 Oct 20;303(2):227-41. PMID: 11023788

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