4DXG:
reference: The Structural and Functional Properties of Staphylococcal Superantigen-Like 4 (SSL4)., Hermans SJ, Baker HM, Sequeira RP, Langley RJ, Baker EN, Fraser JD, Infect Immun. 2012 Sep 4. PMID: 22949551

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