1CTF:
reference: Structure of the C-terminal domain of the ribosomal protein L7/L12 from Escherichia coli at 1.7 A., Leijonmarck M, Liljas A, J Mol Biol 1987 Jun 5;195(3):555-79. PMID: 3309338

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