CXCL12 GI:76563933 chemokine (C-X-C motif) ligand 12 (stromal cell-derived factor 1) isoform gamma 1 mnakvvvvlv lvltalclsd gkpvslsyrc pcrffeshva ranvkhlkil 50 51 ntpncalqiv arlknnnrqv cidpklkwiq eylekalnkg rreekvgkke 100 101 kigkkkrqkk rkaaqkrkn