title: The immutable recognition of CD1d.
abstract: CD1d presents lipid antigens to natural killer T cells. In this issue of Immunity, Wun et al. (2011) and Mallevaey et al. (2011) explore the molecular details of nonself lipid discrimination and self-recognition.
authors: Department of Biochemistry and Molecular Biology, Committee on Immunology, University of Chicago, Chicago, IL 60637, USA. ejadams@uchicago.edu
authors: Erin J
authors: EJ
authors: Adams
authors: Jacinto
authors: J
authors: López-Sagaseta