Nudix hydrolases are found in all classes of organism and hydrolyse a wide range of organic pyrophosphates, including nucleoside di- and triphosphates, di-nucleoside and diphospho-inositol polyphosphates, nucleotide sugars and RNA caps, with varying degrees of substrate specificity.

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2: The Nudix hydrolase superfamily. McLennan AG; Cell Mol Life Sci. 2006;63:123-143. PMID:16378245