| dihydroorotase |
[EC 3.5.2.3] an enzyme activity of the trifunctional CAD protein (q.v.); it is a ligase that catalyzes the cyclization of carbamoylaspartate, creating the initial ring structure (dihydroorotate) in the biosynthesis of pyrimidine nucleotides.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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