Urea carboxylase

urea carboxylase
Identifiers
EC number 6.3.4.6
CAS number 9058-98-4
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / QuickGO

In enzymology, an urea carboxylase (EC 6.3.4.6) is an enzyme that catalyzes the chemical reaction

ATP + urea + HCO3- ADP + phosphate + urea-1-carboxylate

The 3 substrates of this enzyme are ATP, urea, and HCO3-, whereas its 3 products are ADP, phosphate, and urea-1-carboxylate (allophanate).

This enzyme belongs to the family of ligases, specifically those forming generic carbon-nitrogen bonds. The systematic name of this enzyme class is urea:carbon-dioxide ligase (ADP-forming). Other names in common use include urease (ATP-hydrolysing), urea carboxylase (hydrolysing), ATP-urea amidolyase, urea amidolyase, UALase, and UCA. This enzyme participates in urea cycle and metabolism of amino groups. It employs one cofactor, biotin.

See also

References

    • Roon RJ; Levenberg B (1970). "ATP-Urea amidolyase (ADP) (Candida utilis)". Methods Enzymol. 17A: 317&ndash, 324. doi:10.1016/0076-6879(71)17204-7.
    • Roon RJ, Levenberg B (1972). "Urea amidolyase. I. Properties of the enzyme from Candida utilis". J. Biol. Chem. 247 (13): 4107&ndash, 13. PMID 4556303.
    • Sumrada RA, Cooper TG (1982). "Urea carboxylase and allophanate hydrolase are components of a multifunctional protein in yeast". J. Biol. Chem. 257 (15): 9119&ndash, 27. PMID 6124544.
    • Kanamori T, Kanou N, Atomi H, Imanaka T (2004). "Enzymatic characterization of a prokaryotic urea carboxylase". J. Bacteriol. 186 (9): 2532&ndash, 9. doi:10.1128/JB.186.9.2532-2539.2004. PMC 387783. PMID 15090492.
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