>gi|171543879 CD99 antigen isoform b precursor [Homo sapiens] MARGAALALLLFGLLGVLVAAPDGGFDLSDALPGDDFDLGDAVVDGENDD PRPPNPPKPMPNPNPNHPSSSGSFSDADLADGVSGGEGKGGSDGGGSHRK EGEEADAPGVIPGIVGAVVVAVAGAISSFIAYQKKKLCFKENAEQGEVDM ESHRNANAEPAVQRTLLEK