>tr|A0A074PUK3|A0A074PUK3_ECOLX Beta-hexosaminidase OS=Escherichia coli GN=nagZ
MGPVMLDVEGYELDAEEREILAHPLVGGLILFTRNYHDPAQLRELVRQIRAASRNHLVVA
VDQEGGRVQRFREGFTRLPAAQSFAALLGMEEGGKLAQEAGWLMASEMIAMDIDISFAPV
LDVGHISAAIGERSYHADPEKALAIASRFIDGMHEAGMKTTGKHFPGHGAVTADSHKETP
CDPRPQAEIRAKDMSVFSSLIRENKLDAIMPAHVIYSDVDPRPASGSPYWLKTVLRQELG
FDGVIFSDDLSMEGAAIMGSYAERGQASLDAGCDMILVCNNRKGAVSVLDNLSPIKAERV
TRLYHKGSFSRQELMDSARWKAISARLNQLHERWQEEKAGH