>tr|B7NFF6|B7NFF6_ECOLU Thiol:disulfide interchange protein OS=Escherichia coli O17:K52:H18 GN=dsbA MKKIWLALAGLVLAFSASAAQYEDGKQYTTLEKPVAGAPQVLEFFSFFCPHCYQFEEVLH ISDNVKKKLPEGVKMTKYHVNFMGGDLGKDLTQAWAVAMALGVEDKVTVPLFEGVQKTQT IRSASDIRDVFINAGIKGEEYDAAWNSFVVKSLVAQQEKAAADVQLRGVPAMFVNGKYQL NPQGMDTSNMDVFVQQYADTVKYLSEKK