نتایج جستجو برای: l11
تعداد نتایج: 680 فیلتر نتایج به سال:
Ribosomal protein L11 and its associated binding site on 23S rRNA together comprise one of the principle components that mediate interactions of translation factors with the ribosome. This site is also the target of the antibiotic thiostrepton, which has been proposed to act by preventing important structural transitions that occur in this region of the ribosome during protein synthesis. Here, ...
The Chironomus riparius gene sequences encoding ribosomal proteins L11 and L13 were characterized and their expression analysed during development, and under different types of cellular stress. A comparative and phylogenetic study among different orders of insects was carried out by analysis of sequence databases. L11 is highly conserved, both at the level of DNA and protein, and it shares over...
Target-dependent increases in axon growth and varicosities accompany the formation of functional synapses between Aplysia sensory neurons and specific postsynaptic neurons (L7 and not L11). The enhanced growth is regulated in part by a target-dependent increase in the secretion of sensorin, the sensory neuron neuropeptide. We report here that protein kinase C (PKC) activity is required for syna...
Cores were prepared from 50S ribosomal subunits by incubation with 0.4 M LiCl/Mg(++) (0.4c cores); 0.8c cores and corresponding SP(0.4-0.8) split proteins were obtained from 0.4c cores. In the fragment reaction 0.4c cores were active, but 0.8c cores were not. Activity of the 0.8c cores could be restored by reconstitution with the SP(0.4-0.8) fraction. The split proteins were separated by DEAE-c...
Deregulation of the cell cycle (cell division) has long been known to contribute to the induction of cancer. Similarly, disruption of protein synthesis (cell growth) has also been shown to lead to several pathological conditions including cancer. 1 The tumor suppressor p53 is pivotal in inducing cell cycle arrest in response to DNA damage, and it has recently been recognized that p53 also plays...
Escherichia coli was grown in a medium containing [1-(14)C]methionine and [methyl-(3)H]methionine, and the (3)H/(14)C ratio was determined for each of the ribosomal proteins derived from the 70S ribosome. Evidence indicates that six proteins from the 50S subunit were methylated: L7, L9, L11, L12, L18, and L33. Methylation of several other 50S proteins (such as L1, L3, L5, etc.) may also occur. ...
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