>sp|Q31ZG4|NAGZ_SHIBS Beta-hexosaminidase OS=Shigella boydii serotype 4 GN=nagZ MGPVMLDVEGYELDAEEREILAHPLVGGLILFTRNYHDPAQLRELVRQIRAASRNHLVVA VDQEGGRVQRFREGFTRLPAAQSFAALLGMEEGGKLAQEAGWLMASEMIAMDIDISFAPV LDVGHISAAIGERSYHADPEKALAIASRFIDGMHEAGMKTTGKHFPGHGAVTADSHKETP CDPRPQAEIRAKDMSVFSTLIRENKLDAIMPAHVIYSDVDPRPASGSSYWLKTVLRQELC FDGVIFSDDLSMEGAAIMGSYAERGQASLDAGCDMILVCNNRKGAVSVLDNLSPIKAERV TRLYHKGSFSRQELMDSARWKASSTRLNQLHERWQEEKAGH