>tr|B7L6L2|B7L6L2_ECO55 ChbB protein OS=Escherichia coli GN=chbB MEKKHIYLFCSAGMSTSLLVSKMRAQAEKYEVPVIIEAFPETLAGEKGQNADVVLLGPQI AYMLPEIQRLLPNKPVEVIDSLLYGKVDGLGVLKAAVAAIKKAAAN