IUBMB Enzyme Nomenclature


Accepted name: endopolyphosphatase

Reaction: polyphosphate + n H2O = (n+1) oligophosphate

Other name(s): polyphosphate depolymerase; metaphosphatase; polyphosphatase; polymetaphosphatase

Systematic name: polyphosphate polyphosphohydrolase

Comments: The product contains 4 or 5 phosphate residues.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 9024-86-6


1. Malmgren, H. Enzymatic behavior of polymetaphosphate. V. Purification and specificity of the enzyme. Acta Chem. Scand. 6 (1952) 16-26.

2. Mattenheimer, H. Die Substratspezifität "anorganischer" Poly- und Metaphosphatasen. I. Optimale Wirkungsbedingungen für den enzymatischen Abbau von Poly- und Metaphosphaten. Hoppe-Seyler's Z. Physiol. Chem. 303 (1956) 107-114.

[EC created 1961]

Return to EC 3.6.1 home page
Return to EC 3.6 home page
Return to EC 3 home page
Return to Enzymes home page
Return to IUBMB Biochemical Nomenclature home page