1HA5:
reference: Structural features of a zinc binding site in the superantigen strepococcal pyrogenic exotoxin A (SpeA1): implications for MHC class II recognition., Baker M, Gutman DM, Papageorgiou AC, Collins CM, Acharya KR, Protein Sci. 2001 Jun;10(6):1268-73. PMID: 11369867

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