A novel adaptation of the integrin PSI domain revealed from its crystal structure.
Xiong, J.P., Stehle, T., Goodman, S.L., Arnaout, M.A.(2004) J Biol Chem 279: 40252-40254
- PubMed: 15299032 
- DOI: 10.1074/jbc.C400362200
- Primary Citation of Related Structures:  
1U8C - PubMed Abstract: 
Integrin beta-subunits contain an N-terminal PSI (for plexin-semaphorin-integrin) domain that contributes to integrin activation and harbors the PI(A) alloantigen associated with immune thrombocytopenias and susceptibility to sudden cardiac death. Here we report the crystal structure of PSI in the context of the crystallized alphaVbeta3 ectodomain ...