>sp|P69794|PTQA_SHIFL PTS system N,N'-diacetylchitobiose-specific EIIA component OS=Shigella flexneri GN=chbA MMDLDNIPDTQTEAEELEEVVMGLIINSGQARSLAYAALKQAKQGDFAAAKAMMDQSRMA LNEAHLVQTKLIEGDAGEGKMKVSLVLVHAQDHLMTSMLARELITELIELHEKLKA