>pdb|1C7S|A Chain A, Beta-N-Acetylhexosaminidase Mutant D539a Complexed With
           Di- N-Acetyl-Beta-D-Glucosamine (Chitobiase)
          Length = 858

 Score = 29.6 bits (65), Expect = 0.69
 Identities = 15/43 (34%), Positives = 18/43 (40%), Gaps = 1/43 (2%)

Query: 259 KPWDYPFGLKADLWLNALAKTPFMSDWIDSIARVEIGSEKWHR 301
           KPW   +GL A LW       P M   I   A + +    WHR
Sbjct: 697 KPWPGAYGLSAQLWSETQRTDPQMEYMIFPRA-LSVAERSWHR 738