>2K03_1|Chains A, C|Stromal cell-derived factor 1|Homo sapiens (9606)
GMKPVSLSYRCPCRFFESHVARANVKHLKILNTPNCACQIVARLKNNNRQVCIDPKLKWIQEYLEKCLNK
>2K03_2|Chains B, D|C-X-C chemokine receptor type 4|Homo sapiens (9606)
GSMEGISIYTSDNYTEEMGSGDYDSMKEPAFREENANFNK