Crystal structures of the XLP protein SAP reveal a class of SH2 domains with extended, phosphotyrosine-independent sequence recognition.
Poy, F., Yaffe, M.B., Sayos, J., Saxena, K., Morra, M., Sumegi, J., Cantley, L.C., Terhorst, C., Eck, M.J.(1999) Mol Cell 4: 555-561
- PubMed: 10549287 
- DOI: 10.1016/s1097-2765(00)80206-3
- Primary Citation of Related Structures:  
1D1Z, 1D4W, 1D4T - PubMed Abstract: 
SAP, the product of the gene mutated in X-linked lymphoproliferative syndrome (XLP), consists of a single SH2 domain that has been shown to bind the cytoplasmic tail of the lymphocyte coreceptor SLAM. Here we describe structures that show that SAP binds ...