>tr|Q321N0|Q321N0_SHIBS PEP-dependent phosphotransferase enzyme IV OS=Shigella boydii serotype 4 GN=celA MEKKHIYLFCSAGMSTSLLVSKMRAQAEKYEVPVIIEAFPETLAGEKGQNADVVLLGPQI AYMLPEIQRLLPNKPVEVIDSLLYGKVDGLGVLKAAVAAIKKAAAN