1POQ:
reference: Crystal and Solution Structures of a Superantigen from Yersinia pseudotuberculosis Reveal a Jelly-Roll Fold., Donadini R, Liew CW, Kwan AH, Mackay JP, Fields BA, Structure (Camb) 2004 Jan;12(1):145-56. PMID: 14725774

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