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Information on EC 3.5.1.54 - allophanate hydrolase

for references in articles please use BRENDA:EC3.5.1.54

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IUBMB Comments

Along with EC 3.5.2.15 (cyanuric acid amidohydrolase) and EC 3.5.1.84 (biuret amidohydrolase), this enzyme forms part of the cyanuric-acid metabolism pathway, which degrades s-triazide herbicides, such as atrazine [2-chloro-4-(ethylamino)-6-(isopropylamino)-1,3,5-triazine], in bacteria. The yeast enzyme (but not that from green algae) also catalyses the reaction of EC 6.3.4.6, urea carboxylase, thus bringing about the hydrolysis of urea to CO2 and NH3 in the presence of ATP and bicarbonate. The enzyme from Pseudomonas sp. strain ADP has a narrow substrate specificity, being unable to use the structurally analogous compounds urea, hydroxyurea or methylcarbamate as substrate .

The expected taxonomic range for this enzyme is: Bacteria, Eukaryota
Reaction Schemes
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urea-1-carboxylate
+
H2O
=
2
CO2
+
2
NH3
+
=
2
+
2

Synonyms
allophanate hydrolase, allophanate lyase, more

REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
urea-1-carboxylate + H2O = 2 CO2 + 2 NH3
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