Pyrophosphatase
Encyclopedia
Pyrophosphatase are acid anhydride hydrolases
Acid anhydride hydrolases
Acid anhydride hydrolases are a class of hydrolase enzymes that catalyze the hydrolysis of a acid anhydride bond.They are classified under EC number 3.6.One well known member of this class is GTPase....

 that act upon diphosphate bonds.

Examples include:
  • Inorganic pyrophosphatase
    Inorganic pyrophosphatase
    Pyrophosphatase is an enzyme that catalyzes the conversion of one molecule of pyrophosphate to two phosphate ions. This is a highly exergonic reaction, and therefore can be coupled to unfavorable biochemical transformations in order to drive these transformations to completion...

  • Thiamine pyrophosphatase
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