CXCL12 GI:40316924 chemokine (C-X-C motif) ligand 12 (stromal cell-derived factor 1) isoform alpha 1 mnakvvvvlv lvltalclsd gkpvslsyrc pcrffeshva ranvkhlkil 50 51 ntpncalqiv arlknnnrqv cidpklkwiq eylekalnk