Phosphonoacetate hydrolase

In enzymology, a phosphonoacetate hydrolase (EC 3.11.1.2) is an enzyme that catalyzes the chemical reaction

phosphonoacetate + H2O acetate + phosphate
phosphonoacetate hydrolase
Structure of phosphonoacetate hydrolase. PDB entry 1e16. Zinc ions and phosphonoformate are shown in the active site.
Identifiers
EC number3.11.1.2
CAS number153570-68-4
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

Thus, the two substrates of this enzyme are phosphonoacetate and H2O, whereas its two products are acetate and phosphate.

This enzyme belongs to the family of hydrolases, specifically those acting on carbon-phosphorus bonds. The systematic name of this enzyme class is phosphonoacetate phosphonohydrolase. This enzyme participates in aminophosphonate metabolism. It employs one cofactor, zinc.

Structural studies

The structure of this enzyme, with the PDB accession code 1EI6, shows it adopts the alkaline phosphatase fold.

References

    • McGrath JW, Wisdom GB, McMullan G, Larkin MJ, Quinn JP (1995). "The purification and properties of phosphonoacetate hydrolase, a novel carbon-phosphorus bond-cleavage enzyme from Pseudomonas fluorescens 23F". Eur. J. Biochem. 234 (1): 225–30. doi:10.1111/j.1432-1033.1995.225_c.x. PMID 8529644.


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