Voprosy meditsinskoi khimii (ISSN 0042-8809)

Polymorphism of neutral alpha glucosidase of human urine

Lavrenova T.P., Lukomskaia I.S.
PubMed Id: 6353754
Year: 1983 vol: 29  issue:4  pages: 91-95
Abstract: Multiple forms of neutral alpha-glucosidase were found in human urine. In a number of individuals three enzyme forms were detected, in other persons--four forms. The alpha-glucosidase I and 2 were present in urine as well as in kidney of some individuals, whereas in urine of other persons only alpha-glucosidase I was found. Both forms of neutral alpha-glucosidase I and 2 from human urine exhibited the maximal activity at pH 5.75 = 6.5, had a similar Km value (0.73 mM) with maltose as a substrate and did not differ in their properties from the corresponding forms of neutral alpha-glucosidase in a soluble fraction from human kidney.
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Reference: Lavrenova T.P., Lukomskaia I.S., Polymorphism of neutral alpha glucosidase of human urine, Voprosy meditsinskoi khimii, 1983, vol: 29(4), 91-95.