1GE4:
reference: Role of non-glycine residues in left-handed helical conformation for the conformational stability of human lysozyme., Takano K, Yamagata Y, Yutani K, Proteins 2001 Aug 15;44(3):233-43. PMID: 11455596

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