Immunogen sequence: LPSSAPSGPP PPPPSVLGVG PVAPPPPPPP PPPPGPPPPP GLPSDGDHQV PTTAGNKAAL LDQIREGAQL KKVEQNSRPV SCSGRDALLD QIRQGIQLKS V. The Wiskott-Aldrich syndrome (WAS) family of proteins share similar domain structure, and are involved in transduction of