1QBC: Hexosaminidase Alpha Chain, Glycosyl Hydrolase Family 20, Theoretical Model
reference: Bacterial chitobiase structure provides insight into catalytic mechanism and the basis of Tay-Sachs disease., Tews I, Perrakis A, Oppenheim A, Dauter Z, Wilson KS, Vorgias CE, Nat Struct Biol 1996 Jul;3(7):638-48. PMID: 8673609

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