>2K05_2|Chains B, D|C-X-C chemokine receptor type 4|Homo sapiens (9606) GSMEGISIYTSDNYTEEMGSGDYDSMKEPAFREENANFNK >2K05_1|Chains A, C|Stromal cell-derived factor 1|Homo sapiens (9606) GMKPVSLSYRCPCRFFESHVARANVKHLKILNTPNCACQIVARLKNNNRQVCIDPKLKWIQEYLEKCLNK