carbamoyl phosphate

(redirected from Carbamylphosphate)

car·ba·mo·yl phos·phate

(kar'bă-mō-il fos'fāt),
A reactive intermediate capable of transferring its carbamoyl group to an acceptor molecule, forming citrulline from ornithine in the urea cycle and ureidosuccinate from aspartate in pyrimidine ring formation.
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
Manifestation in an adult, of a partial deficit in type I carbamylphosphate synthetase," La Presse Medicale, vol.
The first three steps are catalyzed by CAD, [4] a trifunctional cytoplasmic enzyme cluster containing carbamylphosphate synthetase, aspartate carbamyltransferase, and dihydroorotase (Fig.
[4] Nonstandard abbreviations: CAD, carbamylphosphate synthetase-aspartate carbamyltransferase-dihydroorotase; MS/MS, tandem mass spectrometry; IS, internal standard; N-C-aspartate, N-carbamyl-aspartate; and ESI, electrospray ionization.
In an effort to identify the salt-sensitive site(s) in de novo arginine synthesis, we quantified the effect of the salt treatment on the incorporation of [[sup.14]C]citrulline into [Sigma]A + U by intact cells and on the activities of glutamine synthetase (GS) and carbamylphosphate synthetase (CPSase) in cell-free extracts of YFE leaves from salinized and control plants of both species.
Effect of 16 d of salination with 40 mM NaCl plus 20 MM [CaCl.sub.2] on carbamylphosphate synthetase activity in cell-free extracts of YFE leaves of P.
Abbreviations: [Sigma]A + U, total combined pool of arginine plus urea; YFE, young fully expanded; [Sigma]UMP, sum of the uridine nucleotides converted to UMP by acid hydrolysis at 100 [degrees] C; [Psi]s, osmotic potential; CPSase, carbamylphosphate synthetase; CP, carbamylphosphate; GS, glutamine synthetase; OCTase, ornithine carbamyltransferase; ACTase, aspartate carbamyltransferase.
High reactivity of kidney preparations from man, pig, beef, dog and rat for carbamylphosphate hydrolysis.
Carbamylphosphate hydrolysis in rat tissues and tumors by alkaline phosphatase.