1BYY:
reference: Solution structure of the sodium channel inactivation gate., Rohl CA, Boeckman FA, Baker C, Scheuer T, Catterall WA, Klevit RE, Biochemistry 1999 Jan 19;38(3):855-61. PMID: 9893979

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