>tr|C3T7F7|C3T7F7_ECOLX PTS system N,N'-diacetylchitobiose-specific transporter subunit IIB OS=Escherichia coli GN=chbB MEKKHIYLFCSAGMSTSLLVSKMRAQAEKYEVPVIIEAFPETLAGEKGQNADVVLLGPQI AYMLPEIQRLLPNKPVEVIDSLLYGKVDGLGVLKAAVAAIKKAAAN