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Catalysis of the hydrolysis of a pyrophosphate bond between two phosphate groups, leaving one phosphate on each of the two fragments. Catalysis of the reaction: polyphosphate(n) + H2O = polyphosphate(n-1) + phosphate. Catalysis of the hydrolysis of any acid anhydride which contains phosphorus.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: exopolyphosphatase activity
Acc: GO:0004309
Aspect: Molecular Function
Desc: Catalysis of the reaction: polyphosphate(n) + H2O = polyphosphate(n-1) + phosphate.
Synonyms:
  • acid phosphoanhydride phosphohydrolase activity
  • metaphosphatase activity
  • exopolypase activity
  • polyphosphate phosphohydrolase activity
  • Gra-Pase activity
Proteins in PDR annotated with:
   This term: 8 [Search]
   Term or descendants: 8 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0004309 - exopolyphosphatase activity (interactive image map)
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