Paolino M, Thien CB, Gruber T, Hinterleitner R, Baier G, Langdon WY, Penninger JM. Essential role of E3 ubiquitin ligase activity in Cbl-b-regulated T cell functions. J Immunol. 2011 Feb 15;186(4):2138–47. doi: 10.4049/jimmunol.1003390. PMID: 21248250.