1JHH:
reference: Crystal structure of LexA: a conformational switch for regulation of self-cleavage., Luo Y, Pfuetzner RA, Mosimann S, Paetzel M, Frey EA, Cherney M, Kim B, Little JW, Strynadka NC, Cell 2001 Sep 7;106(5):585-94. PMID: 11551506

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