Human Pre-interleukin 1.ALPHA. and .BETA.: Structural Features Revealed by Limited Proteolysis.
نویسندگان
چکیده
منابع مشابه
Structural determinants of limited proteolysis.
Limited or regulatory proteolysis plays a critical role in many important biological pathways like blood coagulation, cell proliferation, and apoptosis. A better understanding of mechanisms that control this process is required for discovering new proteolytic events and for developing inhibitors with potential therapeutic value. Two features that determine the susceptibility of peptide bonds to...
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Elucidation of the structure of PrP(Sc) continues to be one major challenge in prion research. The mechanism of propagation of these infectious agents will not be understood until their structure is solved. Given that high resolution techniques such as NMR or X-ray crystallography cannot be used, a number of lower resolution analytical approaches have been attempted. Thus, limited proteolysis h...
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Limited proteolysis of a recombinant, soluble form of the Tac protein, a human interleukin-2 receptor (rIL-2R), was performed using trypsin, Staphylococcus aureus V8 protease and proteinase K to study the structural requirements of interleukin-2 receptor (IL-2R) for interleukin-2 (IL-2) binding. Sensitive proteolytic sites were found to be clustered in the regions of the polypeptide encoded by ...
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Very solid evidence suggests that the core of full length PrPSc is a 4-rung β-solenoid, and that individual PrPSc subunits stack to form amyloid fibers. We recently used limited proteolysis to map the β-strands and connecting loops that make up the PrPSc solenoid. Using high resolution SDS-PAGE followed by epitope analysis, and mass spectrometry, we identified positions ~116/118, 133-134, 141, ...
متن کاملProbing protein structure by limited proteolysis.
Limited proteolysis experiments can be successfully used to probe conformational features of proteins. In a number of studies it has been demonstrated that the sites of limited proteolysis along the polypeptide chain of a protein are characterized by enhanced backbone flexibility, implying that proteolytic probes can pinpoint the sites of local unfolding in a protein chain. Limited proteolysis ...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1991
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.39.1513