TAB2 is an adaptor protein involved in the IL-1 signal transduction pathway: Takaesu, Giichi; Kishida, Satoshi; Hiyama, Atsushi; Yamaguchi, Kyoko; Shibuya, Hiroshi; Irie, Kenji; Ninomiya-Tsuji, Jun; Matsumoto, Kunihiro. TAB2, a Novel Adaptor Protein, Mediates Activation of TAK1 MAPKKK by Linking TAK1 to TRAF6 in the IL-1 Signal Transduction Pathway. Molecular Cell. 2000, 5 (4): 649–658. ISSN 1097-2765. PMID 10882101. doi:10.1016/S1097-2765(00)80244-0.
A good article regarding the role of adaptor proteins involved with the T-cell antigen receptor: Samelson, Lawrence E. SIGNALTRANSDUCTIONMEDIATED BY THET CELLANTIGENRECEPTOR: The Role of Adapter Proteins*. Annual Review of Immunology. 2002, 20 (1): 371–394. ISSN 0732-0582. doi:10.1146/annurev.immunol.20.092601.111357.
Signalling discussed with regards to adaptor proteins: Pawson, T. Signaling Through Scaffold, Anchoring, and Adaptor Proteins. Science. 1997, 278 (5346): 2075–2080. ISSN 0036-8075. doi:10.1126/science.278.5346.2075.