3SEB:
reference: Crystal structure of microbial superantigen staphylococcal enterotoxin B at 1.5 A resolution: implications for superantigen recognition by MHC class II molecules and T-cell receptors., Papageorgiou AC, Tranter HS, Acharya KR, J Mol Biol 1998 Mar 20;277(1):61-79. PMID: 9514739

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