[Term] id: PR:000001838 name: T-cell surface glycoprotein CD1 def: "A protein with core architecture consisting of a signal sequence, an extracellular region with Class I Histocompatibility antigen, domains alpha 1 and alpha two (Pfam:PF00129) and an Immunoglobulin C1-set domain (Pfam:PF07654), a single-pass transmembrane region, and a very short cytoplasmic region. Forms a heterodimer with beta-2 microglobulin." [PRO:WCB] comment: Category=family. synonym: "CD1" EXACT PRO-short-label [PRO:DAN] xref: PIRSF:PIRSF038798 is_a: PR:000000001 ! protein