title: Late arrival: recruiting coreceptors to the T cell receptor complex.
abstract: In this issue of Immunity, Jiang et al. (2011) provide evidence that the CD8 coreceptor is recruited to the T cell receptor (TCR) complex after initial TCR triggering where it stabilizes the TCR-peptide-major histocompatibility complex interaction.
authors.affiliation: Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK. anton.vandermerwe@path.ox.ac.uk
authors.forename: P Anton
authors.initials: PA
authors.lastname: van der Merwe
authors.forename: Shaun-Paul
authors.initials: SP
authors.lastname: Cordoba