>sp|B1IUF8|NAGZ_ECOLC Beta-hexosaminidase OS=Escherichia coli GN=nagZ MGPVMLDVEGYELDAEEREILAHPLVGGLILFTRNYHDPAQLRELVRQIRAASRNHLVVA VDQEGGRVQRFREGFTRLPAAQSFAALSGMEEGGKLAQEAGWLMASEMIAMDIDISFAPV LDVGHISAAIGERSYHADPQKALAIASRFIDGMHEAGMKTTGKHFPGHGAVTADSHKETP CDPRPQAEIRAKDMSVFSSLIRENKLDAIMPAHVIYSDVDPRPASGSPYWLKTVLRQELG FDGVIFSDDLSMEGAVIMGSYAERGQASLDAGCDMILVCNNRKGAVSVLDNLSPIKAERV TRLYHKGSFSRQELMDSARWKAISARLNQLHERWQEEKAGH