>tr|A0A2Z6FLH2|A0A2Z6FLH2_ECO57 Alternate ribosome-rescue factor A OS=Escherichia coli O157:H7 GN=arfA MSRYQHTKGQIKDNAIEALLHDPLFRQRVEKNKKGKGSYMRKGKHGNRGNWEASGKKVNH FFTTGLLLSGAC