Highly Purified - Native

Staphylococcal enterotoxin A from Staphylococcus aureus

Primary β chain MHC class II binding for targeted interaction studies

Exhibits unique MHC class II-independent T cell activation capabilities

Preferential HLA-DQ binding for MHC isotype specificity studies

Purified SEC3 enabling subtype-specific antibody and receptor analysis.

Preferential HLA-DR binding for targeted MHC interaction studies

Essential for dermatological and therapeutic development

Primary α chain MHC class II binding for specialized interaction studies