Structures of two streptococcal superantigens bound to TCR beta chains reveal diversity in the architecture of T cell signaling complexes.
Sundberg, E.J., Li, H., Llera, A.S., McCormick, J.K., Tormo, J., Schlievert, P.M., Karjalainen, K., Mariuzza, R.A.(2002) Structure 10: 687-699
- PubMed: 12015151 
- DOI: 10.1016/s0969-2126(02)00759-1
- Primary Citation of Related Structures:  
1KTK, 1L0X, 1L0Y - PubMed Abstract: 
Superantigens (SAGs) crosslink MHC class II and TCR molecules, resulting in an overstimulation of T cells associated with human disease. SAGs interact with several different surfaces on MHC molecules, necessitating the formation of multiple distinct MHC-SAG-TCR ternary signaling complexes ...