>gi|40316924 chemokine (C-X-C motif) ligand 12 (stromal cell-derived factor 1) isoform alpha [Homo sapiens] MNAKVVVVLVLVLTALCLSDGKPVSLSYRCPCRFFESHVARANVKHLKIL NTPNCALQIVARLKNNNRQVCIDPKLKWIQEYLEKALNK