Dihydroorotase ({EC number|3.5.2.3}, carbamoylaspartic dehydrase, dihydroorotate hydrolase) is an enzyme which converts carbamoyl aspartic acid into 4,5-dihydroorotic acid in the biosynthesis of pyrimidines. It forms a multifunctional enzyme with carbamoyl phosphate synthetase and aspartate transcarboymalase. ...
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http://en.wikipedia.org/wiki/Dihydroorotase
(from the article `metabolism`) and carbamoyl phosphate (derived from carbon dioxide, ATP, and ammonia via reaction [30]) condense to form -carbamoylaspartate [70], which loses ...
Found on
http://www.britannica.com/eb/a-z/d/49
<enzyme> An enzyme that, in the course of pyrimidine biosynthesis, catalyses ring closure by removal of water from N-carbamoyl-l-aspartate to form l-5,6-dihydroorotate (dihydro-orotic acid). ... Synonym: carbamoylaspartate dehydrase. ... Chemical name: (S)-Dihydroorotate amidohydrolase ... Registry number: EC 3.5.2.3 ... (21 Jun 2000) ...
Found on
http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: dī-hi′drō-ōr-ō′tās Definitions: 1. An enzyme catalyzing ring closure of N-carbamoyl-l-aspartate to form l-5,6-dihydroorotate and water; an enzyme in pyrimidine biosynthesis. Synonyms: carbamoylaspartate dehydrase
Found on
http://www.medilexicon.com/medicaldictionary.php?t=24859
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