2FQH:
reference: NMR structure of hypothetical protein TA0938 from Thermoplasma acidophilum., Monleon D, Yee A, Arrowsmith C, Celda B, Proteins. 2007 Jun 1;67(4):1185-8. PMID: 17377985

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