>6PKI_1|Chains A, B, C, D|N-acetylglucosamine-1-phosphodiester alpha-N-acetylglucosaminidase|Danio rerio (7955) DRHHHHHHGSGPYTKSHGPSHSHRYVRDSQPVAHGTVTHETQAASKHSNSPVLESNIFISDITDDSGTHRWVSGHITEVHDPLRSVSVLEPGGPGGCAHNHRELVEVTAKTRKCLVAQNGGYFDTHTGQCLGNIISDGKLVRNSGGIQNAQFGIRKDGTLVFGYLSEDDILDQENPFVQLISGVVWLLRKGEIYINESIQAESDKTQETGNFRHFVDVISARTAVGHDKEGKLILFHVDGQTDVRGMNLWQVAKFLKDQNVMNAINLDGGGSATYVLNGSLASYPSDHCNPSKWRCPRAISTVLCIHER