General procedure for the synthesis of carbamyl compounds (5a-d)
A number of compounds bearing sulfamyl and carbamyl groups are synthesized according to the protocol outlined in scheme-1.
Homocitrulline formation following carbamylation of histones with carbamyl phosphate.
Inactivation of bovine glutamate dehydrogenase by carbamyl phosphate and cyanate.
MS/MS is ineffective in identifying deficiencies in the urea-cycle enzymes OTC (ornithine transcarbamylase) and CPSI (carbamyl
Sequential up-regulation of thyroid hormone b receptor, ornithine transcarbamylase and carbamyl
phosphate synthetase mRNAs in the liver of Rana catesbeiana tadpoles during spontaneous and thyroid hormone-induced metamorphosis.
[D.sub.3]-N-carbamyl-aspartate was prepared by incubating a reaction mixture (2 mL) containing 13 mmol/L 2,3,3-[D.sub.3]-aspartate, 15 mmol/L carbamyl
phosphate, and 50 mmol/L triethanolamine HCl (pH 7.0) with aspartate transcarbamylase (1 kU/L) at 37[degrees]C for 2 h.
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The [M - 59] fragment (m/z 174) in the EI mass spectrum of the unlabeled compound is most likely attributable to the loss of -COOC[H.sub.3] from the carbamyl
Protonation of cyanate leads to the formation of isocyanic acid, which reacts with the a and e amino groups on proteins, forming a carbamyl