catalytic activity:Diphosphate + H(2)O = 2 phosphate.,cofactor:Binds 4 magnesium ions per subunit. Other metal ions can support activity, but at a lower rate. Two magnesium ions are required for the activation of the enzyme and are present before substrate binds, two additional magnesium ions form complexes with substrate and product.,similarity:Belongs to the PPase family.,subunit:Homodimer.,tissue specificity:Expressed ubiquitously.,
Cytoplasm .
Expressed ubiquitously.
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