نتایج جستجو برای: phosphoprotein
تعداد نتایج: 4750 فیلتر نتایج به سال:
The very high metabolic activity of protein-bound phosphorus was first discovered by Davidson et al. (1) in P32 uptake experiments and subsequently confirmed in other laboratories. A possible explanation of these findings is that the primary step in oxidative phosphorylation results in the formation of a phosphorylated protein with subsequent transfer of the high energy phosphate to adenosine t...
The second part of the review on casomorphins is devoted to role these biologically active peptides — products phosphoprotein hydrolysis. Convincing data eff ect immune system, anti-oncogenic effect, motility and tone smooth muscle fibers, ability control other aspects gastrointestinal tract activity—the transport function intestinal epithelium, water absorption, etc. effect β-casomorphins endo...
It has been shown (Heald, 1956b) in cerebral slices that duringtherapidbreakdown ofphosphocreatine, brought about by brief passage of electrical pulses (see Heald, 1954), there is an increased exchange of phosphate between the phosphates soluble in trichloroacetic acid and those in the insoluble residue. Thus in cerebral slices which had been allowed to metabolize radioactive inorganic phosphat...
1. The pyrophosphate-exchange reactions which are catalysed by rat-liver preparations and depend upon leucine or isoleucine are profoundly modified by 'soluble' ribonucleic acid and by changes in magnesium concentration. The preponderant influence is exerted by the terminal nucleotide sequence of the 'soluble' ribonucleic acid. Lysinedependent pyrophosphate exchange occurs only at relatively hi...
Phosphoprotein phosphatases (PPP), these ancient and important regulatory enzymes are present in all eukaryotic organisms. Based on the genome sequences of 12 Drosophila species we traced the evolution of the PPP catalytic subunits and noted a substantial expansion of the gene family. We concluded that the 18-22 PPP genes of Drosophilidae were generated from a core set of 8 indispensable phosph...
Using a yeast two-hybrid human brain cDNA library screen, the cytoplasmic dynein light chain (LC8), a 10-kDa protein, was found to interact strongly with the phosphoprotein (P) of two lyssaviruses: rabies virus (genotype 1) and Mokola virus (genotype 3). The high degree of sequence divergence between these P proteins (only 46% amino acid identity) favors the hypothesis that this interaction is ...
Past studies of norepinephrine-stimulated protein phosphorylation in intact C-6 glioma cells had identified a 58,000 molecular weight, 5.7 isoelectric point protein (58K-5.7) as a cyclic AMP-dependent phosphoprotein and had shown that 58K-5.7 was one of the most abundant proteins of the nuclear fraction. Initial experiments of present studies showed that the 58K-5.7 protein remained with the nu...
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