Sequence alignment between 4zws(C) and UniProt seq P04537 (UVSY_BPT4):

P04537 (UVSY_BPT4): Recombination protein uvsY from Enterobacteria phage T4
                 10        20        30        40        50        60        70        80        90       100       110       120       130       
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MRLEDLQEELKKDVFIDSTKLQYEAANNVMLYSKWLNKHSSIKKEMLRIEAQKKVALKARLDYYSGRGDGDEFSMDRYEKSEMKTVLSADKDVLKVDTSLQYWGILLDFCSGALDAIKSRGFAIKHIQDMRAFEAGK
         ............................................................XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.........................................
PDB seq: MRLEDLQEELKKDVFIDSTKLQYEAANNVMLYSKWLNKHSSIKKEMLRIEAQKKVALKAR------------------------------------DTSLQYWGILLDFCSGALDAIKSRGFAIKHIQDMRAFEA--
         ---------+---------+---------+---------+---------+---------+                                    ---+---------+---------+---------+-----  
                 10        20        30        40        50        60                                     100       110       120       130