1FRS:
reference: Crystal structure of bacteriophage fr capsids at 3.5 A resolution., Liljas L, Fridborg K, Valegard K, Bundule M, Pumpens P, J Mol Biol 1994 Dec 2;244(3):279-90. PMID: 7966339

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