mcd99In contrast, the anti-mCD99 antibody recognizes the mCD99-Fc used to immunize the rabbits (arrowhead, running at the expected M r of ∼ 75 kD). Display full size. Fure 4In the case of mCD99, two adjacent O- glycosylation sites, Thr-45 and Thr-50 (NMKPT 45 PKAPT 50 PKKPS) are relevant for PILR ␣ recognition (13). Sequence alnment of human