>tr|A0A5R8RBN4|A0A5R8RBN4_ECOLX Protein-export protein SecB OS=Escherichia coli O25b:H4 GN=secB MSEQNNTEMTFQIQRIYTKDISFEAPNAPHVFQKDWQPEVKLDLDTASTQLADDVYEVVL RVTVTASLGEETAFLCEVQQGGIFSIAGIEGTQMAHCLGAYCPNILFPYARECITSMVSR GTFPQLNLAPVNFDALFMNYLQQQAGEGTEEHQDA