Dihydroorotase

From Wikipedia, the free encyclopedia

carbamoyl-phosphate synthetase 2, aspartate transcarbamylase, and dihydroorotase
Identifiers
Symbol	CAD
Entrez	790
HUGO	1424
OMIM	114010
RefSeq	NM_004341
UniProt	P27708
Other data
Locus	Chr. 2 p22-p21

Dihydroorotase (EC 3.5.2.3, carbamoylaspartic dehydrase, dihydroorotate hydrolase) is an enzyme which converts carbamoyl aspartic acid into 4,5-dihydroorotic acid.^[1]^[2] It forms a multifunctional enzyme with carbamoyl phosphate synthetase and aspartate transcarboymalase.

References

↑ Cooper, C. and Wilson, D.W. (1954). "Biosynthesis of pyrimidines". Fed. Proc. 13: 194–194.
↑ Lieberman, I. and Kornberg, A. (1954). "Enzymatic synthesis and breakdown of a pyrimidine, orotic acid. II. Dihydroorotic acid, ureidosuccinic acid, and 5-carboxymethylhydantoin". J. Biol. Chem. 207: 911–924. PMID 13163076.

External links

Dihydroorotase at the US National Library of Medicine Medical Subject Headings (MeSH)
EC 3.5.2.3

Purine metabolism

Anabolism

R5P→IMP:	Ribose-phosphate diphosphokinase Amidophosphoribosyltransferase Phosphoribosylglycinamide formyltransferase AIR synthetase (FGAM cyclase) Phosphoribosylaminoimidazole carboxylase Phosphoribosylaminoimidazolesuccinocarboxamide synthase IMP synthase

IMP→AMP:	Adenylosuccinate synthase Adenylosuccinate lyase reverse AMP deaminase

IMP→GMP:	IMP dehydrogenase GMP synthase reverse GMP reductase

Nucleotide salvage

Catabolism

Pyrimidine metabolism

Anabolism

CAD Carbamoyl phosphate synthase II Aspartate carbamoyltransferase Dihydroorotase

Dihydroorotate dehydrogenase Orotidine 5'-phosphate decarboxylase/Uridine monophosphate synthetase

CTP synthetase

Catabolism

Deoxyribonucleotides

M: MET

mt, k, c/g/r/p/y/i, f/h/s/l/o/e, a/u, n, m

k, cgrp/y/i, f/h/s/l/o/e, au, n, m, epon

m (A16/C10), i (k, c/g/r/p/y/i, f/h/s/o/e, a/u, n, m)

v t e Enzymes: multienzyme complexes

Photosynthesis	Photosynthetic reaction center complex proteins Photosystem I II

Dehydrogenase	Pyruvate dehydrogenase complex E1 E2 E3 Oxoglutarate dehydrogenase OGDH DLST DLD Branched-chain alpha-keto acid dehydrogenase complex BCKDHA BCKDHB DBT DLD

Other	CAD Carbamoyl phosphate synthase II Aspartate carbamoyltransferase Dihydroorotase Cholesterol side-chain cleavage enzyme Cytochrome b6f complex Electron transport chain Fatty acid synthetase complex Glycine decarboxylase complex Mitochondrial trifunctional protein HADHA HADHB Phosphoenolpyruvate sugar phosphotransferase system Polyketide synthase Sucrase-isomaltase complex Tryptophan synthase

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Dihydroorotase

References

See also

External links