CD99 GI:4505183 CD99 antigen isoform a precursor 1 margaalall lfgllgvlva apdggfdlsd alpdnenkkp taipkkpsag 50 51 ddfdlgdavv dgenddprpp nppkpmpnpn pnhpsssgsf sdadladgvs 100 101 ggegkggsdg ggshrkegee adapgvipgi vgavvvavag aissfiayqk 150 151 kklcfkenae qgevdmeshr nanaepavqr tllek