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Multiple sequence alignment of β-glucuronidase from Homo sapiens, E. coli and Staphylococcus sp. RLH1 showing the conserved active site residues: Glutamic acid (E: 451, 394, 396), Tyrosine (Y: 504, 468, 471) and Glutamic acid (E: 540, 504, 508) at corresponding positions as shown in boxes. The identity shared between the β-glucuronidase of Homo sapiens and E. coli is 42.6% and that of Homo sapiens and Staphylococcus sp. RLH1 is 41.8%.
