>tr|A0A2Z6FLK9|A0A2Z6FLK9_ECO57 mRNA interferase toxin of the HicAB toxin-antitoxin system OS=Escherichia coli O157:H7 GN=ECs_5728 MKQSEFRRWLESQGVDVANGSNHLKLRFHGRRSVMPRHPCDEIKEPLRKAILKQLGLS