>tr|A0A0E1SXQ4|A0A0E1SXQ4_ECOLX PTS system, N,N'-diacetylchitobiose-specific IIB component OS=Escherichia coli 53638 GN=chbB MEKKHIYLFCSAGMSTSLLVSKMRAQAEKYEVPVIIEAFPETLAGEKGQNADVVLLGPQI AYMLPEIQRLLPNKPVEVIDSLLYGKVDGLGVLKAAVAAIKKAAAN