>4IRB_1|Chains A, B, C, D|Uracil-DNA glycosylase|Vaccinia virus Western Reserve (696871) MGSSHHHHHHSSGLVPRGSHMNSVTVSHAPYTITYHNDWEPVMSQLVEFYNEVASWLLRDETSPIPDKFFIQLKQPLRNKRVCVCGIDPYPKDGTGVPFESPNFTKKSIKEIASSISRLTGVIDYKGYNLNIIDGVIPWNYYLSCKLGETKSHAIYWDKISKLLLQHITKHVSVLYCLGKTDFSNIRAKLPVTTIVGYHPAARDRQFEKDRSFEIINVLLELDNKAPINWAQGFIY