>tr|A0A0K6ECX4|A0A0K6ECX4_ECOLX Crossover junction endodeoxyribonuclease rusA OS=Escherichia coli GN=rusA
MNTYSITLPWPPSNNRYYRHNRGRTHISAEGQAYRDNVARIIKGSMLDIGLAMPVKIRIE
CHMPDRRRRDLDNLQKAAFDALTKAGFWLDDAQVVDYRVVKMPVTKGGKLELTITELGNE