Sequence alignment between 4lmq(D) and UniProt seq P48061 (SDF1_HUMAN):

P48061 (SDF1_HUMAN): Stromal cell-derived factor 1 from Homo sapiens
                 10        20        30        40        50        60        70        80        90   
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---
UniProt: MNAKVVVVLVLVLTALCLSDGKPVSLSYRCPCRFFESHVARANVKHLKILNTPNCALQIVARLKNNNRQVCIDPKLKWIQEYLEKALNKRFKM
         .....................................................XXX.....................................
PDB seq: -------------------------------CRFFESHVARANVKHLKILNTP---LQIVARLKNNNRQVCIDPKLKWIQEYLEKALNK----
                                        ---------+---------+--   ----+---------+---------+--------    
                                                20        30        40        50        60