[Term] id: PR:000025402 name: T cell receptor co-receptor CD8 def: "A protein-containing complex that is a membrane-bound heterodimeric co-receptor for MHC class-I antigen/T-cell receptor interaction." [PRO:DAN, PMID:18275828, PMID:3264320] comment: Category=complex. Requested by=CL. synonym: "CD8alphabeta" EXACT [] synonym: "TCR co-receptor CD8" EXACT [] is_a: GO:0032991 ! protein-containing complex relationship: has_component PR:000025408 ! T-cell surface glycoprotein CD8 alpha chain isoform 1, signal peptide removed glycosylated form relationship: has_component PR:000025409 ! T-cell surface glycoprotein CD8 beta chain isoform 1, signal peptide removed glycosylated form