T-cell surface glycoprotein CD1 T-cell surface glycoprotein CD1a PR:000002025 A T-cell surface glycoprotein CD1 that is a translation product of the human CD1A gene or a 1:1 ortholog thereof. T-cell surface antigen T6/Leu-6 protein CD1A CD1a Category=gene. Requested by=CL. Ta1 thymocyte antigen T-cell surface glycoprotein CD1a (human)