>sp|Q9MCN8|RUSA_BPHK7 Crossover junction endodeoxyribonuclease rusA OS=Enterobacteria phage HK97 GN=rusA MNEYQFVLPYPPSLNTYWRRRGSQYYISDKGQKYRKDVQQIIRQLKLDIFTKSRLRIKVI ADVPDSRRRDLDNILKGLLDSLIHAGFAEDDEQFDDIRVIRGVKVPGGRLGIKITELESV