>tr|J7QPZ5|J7QPZ5_ECOLX Beta-hexosaminidase OS=Escherichia coli GN=nagZ
MGPVMLDVKGYELDAEEREILAHPLVGGLILFTRNYHDPAQLRELVRQIRAASRNHLVVA
VDQEGGRVQRFREGFTRLPAAQSFAALSGMEEGGKLAQEAGWLMASEMIAMDIDISFAPV
LDVGHISAAIGERSYHADPQKALAIASRFIDGMHEAGMKTTGKHFPGHGAVTADSHKETP
CDPRPQAEIRAKDMSVFSSLIRENKLDAIMPAHVIYSDVDSRPASGSPYWLKTVLRQELG
FDGVIFSDDLSMEGAAIMGSYAERGQASLDAGCDMILVCNNRKGAVSVLDNLSPIKAERV
TRLYHKGSFSRQELMDSARWKAISTRLNQLHERWQEEKAGH