>gi|4505183 CD99 antigen isoform a precursor [Homo sapiens] MARGAALALLLFGLLGVLVAAPDGGFDLSDALPDNENKKPTAIPKKPSAG DDFDLGDAVVDGENDDPRPPNPPKPMPNPNPNHPSSSGSFSDADLADGVS GGEGKGGSDGGGSHRKEGEEADAPGVIPGIVGAVVVAVAGAISSFIAYQK KKLCFKENAEQGEVDMESHRNANAEPAVQRTLLEK