>tr|E2QKJ1|E2QKJ1_ECOLX Beta-hexosaminidase OS=Escherichia coli GN=nagZ
MGPVMLDVEGYELDAEEREILAHPLVGGLILFTRNYHDPAQLRELVRQIRAASRNHLVVA
VDQEGGRVQRFREGFTRLPAAQSFAALLGMEEGGKLAQEAGWLMASEMIAMDIDISFAPV
LDVGHISAAIGERSYHADPQKALAIASRFIDGMHEAGMKTTGKHFPGHGAVTADSHKETP
CDPRPQAEIRAKDMSVFSSLIRENKLDAIMPAHVIYSDVDPRPASGSPYWLKTVLRQELG
FDGVIFSDDLSMEGAAIMGSYAERGQASLDAGCDMILVCNNRKGAVSVLDNLSPIKAERV
TRLYHKGSFSRQELMDSARWKAISARLNQLHERWQEEKAGH