1GMG:
reference: Structure determination of a small protein through a 23-dimensional molecular-replacement search., Glykos NM, Kokkinidis M, Acta Crystallogr D Biol Crystallogr 2003 Apr;59(Pt 4):709-18. PMID: 12657790

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