>tr|B7N574|B7N574_ECOLU N,N'-diacetylchitobiose-specific enzyme IIB component of PTS OS=Escherichia coli O17:K52:H18 GN=chbB MEKKHIYLFCSAGMSTSLLVSKMRAQAEKYEVPVIIEAFPETLAGEKGQNADVVLLGPQI AYMLPEIQRLLPNKPVEVIDSLLYGKVDGLGVLKAAVAAIKKAAAN