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Auswahl der wissenschaftlichen Literatur zum Thema „Hélice polyproline de type II“
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Zeitschriftenartikel zum Thema "Hélice polyproline de type II"
Zagrovic, B., J. Lipfert, E. J. Sorin, I. S. Millett, W. F. van Gunsteren, S. Doniach und V. S. Pande. „Unusual compactness of a polyproline type II structure“. Proceedings of the National Academy of Sciences 102, Nr. 33 (05.08.2005): 11698–703. http://dx.doi.org/10.1073/pnas.0409693102.
Der volle Inhalt der Quellevan Holst, G. J., S. R. Martin, A. K. Allen, D. Ashford, N. N. Desai und A. Neuberger. „Protein conformation of potato (Solanum tuberosum) lectin determined by circular dichroism“. Biochemical Journal 233, Nr. 3 (01.02.1986): 731–36. http://dx.doi.org/10.1042/bj2330731.
Der volle Inhalt der QuelleLam, Sik Lok, und Victor L. Hsu. „NMR identification of left-handed polyproline type II helices“. Biopolymers 69, Nr. 2 (Juni 2003): 270–81. http://dx.doi.org/10.1002/bip.10354.
Der volle Inhalt der QuelleKubyshkin, Vladimir, und Nediljko Budisa. „Construction of a polyproline structure with hydrophobic exterior using octahydroindole-2-carboxylic acid“. Organic & Biomolecular Chemistry 15, Nr. 3 (2017): 619–27. http://dx.doi.org/10.1039/c6ob02306a.
Der volle Inhalt der QuelleSong, Jikui, Jered V. McGivern, Karl W. Nichols, John L. Markley und Michael D. Sheets. „Structural basis for RNA recognition by a type II poly(A)-binding protein“. Proceedings of the National Academy of Sciences 105, Nr. 40 (29.09.2008): 15317–22. http://dx.doi.org/10.1073/pnas.0801274105.
Der volle Inhalt der QuelleVlasov, Peter K., Anna V. Vlasova, Vladimir G. Tumanyan und Natalia G. Esipova. „A tetrapeptide-based method for polyproline II-type secondary structure prediction“. Proteins: Structure, Function, and Bioinformatics 61, Nr. 4 (17.10.2005): 763–68. http://dx.doi.org/10.1002/prot.20670.
Der volle Inhalt der QuelleDoose, S., H. Neuweiler, H. Barsch und M. Sauer. „Probing polyproline structure and dynamics by photoinduced electron transfer provides evidence for deviations from a regular polyproline type II helix“. Proceedings of the National Academy of Sciences 104, Nr. 44 (23.10.2007): 17400–17405. http://dx.doi.org/10.1073/pnas.0705605104.
Der volle Inhalt der QuelleVlasov, P. K., A. V. Budzko, M. A. Rubin, V. G. Tumanyan, A. A. Makarov und N. G. Esipova. „Left-handed helix of polyproline ii type in linker regions of DNA-binding proteins“. Biophysics 53, Nr. 6 (Dezember 2008): 663–64. http://dx.doi.org/10.1134/s0006350908060353.
Der volle Inhalt der QuelleSrinivasan, Mythily, und A. Keith Dunker. „Proline Rich Motifs as Drug Targets in Immune Mediated Disorders“. International Journal of Peptides 2012 (16.05.2012): 1–14. http://dx.doi.org/10.1155/2012/634769.
Der volle Inhalt der QuelleMazuryk, Jarosław, Izabela Puchalska, Kamil Koziński, Magdalena J. Ślusarz, Jarosław Ruczyński, Piotr Rekowski, Piotr Rogujski et al. „PTD4 Peptide Increases Neural Viability in an In Vitro Model of Acute Ischemic Stroke“. International Journal of Molecular Sciences 22, Nr. 11 (04.06.2021): 6086. http://dx.doi.org/10.3390/ijms22116086.
Der volle Inhalt der QuelleDissertationen zum Thema "Hélice polyproline de type II"
Coursindel, Thibault. „Conception, synthèse et valorisation de spirolactames originaux mimant une hélice de type polyproline II“. Thesis, Montpellier 2, 2010. http://www.theses.fr/2010MON20063/document.
Der volle Inhalt der QuelleThis work is part of a long term project with the aim to develop new tools for the elucidation of biological mechanisms involving protein-protein interactions with the participation of the protein secondary structure named polyproline type II (PPII). In particular, we are interested in the design, the synthesis and the development of original spirolactams as first mimics of PPII helix, the starting point in the discovery of new compounds of therapeutic interest. This unique secondary structure, characteristic of SH3 ligands, plays a critical role in various biological activities such as the phenomena of recognition, signal transduction, transcription, cell motility, immune responses and is also involved in major diseases such as AIDS, Alzheimer's disease and several carcinogenic tumors. Regarding the importance of the PPII secondary structures in targets of therapeutic interest and in the phenomena of protein-protein recognition, and observing the absence in the literature relevant PPII mimics, this thesis have focused on the development of constrained PPII tools, stable versus protease degradation. This work first allowed us to develop an stereocontroled access to a novel spiro [4.4] scaffold, relying on a new ring contraction reaction recently developed in our group, namely transannular rearrangement of activated lactams (TRAL) . Studies of molecular dynamics, and circular dichroism have demonstrated that some of the synthesized spiro compounds adopt a "PPII-like" structure, others seems to be structured in beta-turn
Cayrou, Chloé. „Conception, Synthèse et Analyse Structurale de Foldamères Fluorés de Conformation Hélicoïdale Polyproline de type II Ciblant des Membranes ou des Protéines Amyloïdes“. Electronic Thesis or Diss., CY Cergy Paris Université, 2024. http://www.theses.fr/2024CYUN1308.
Der volle Inhalt der QuelleThe term foldamer refers to any oligomer with the ability to fold into a conformationally stable structure in solution. Among them, peptide-based foldamers appear to be particularly interesting as a response to several issues raised by peptides in medicinal chemistry, such as their high flexibility and low in vivo stability. The structured nature of foldamers can therefore prove to be an asset in the development of new peptides of biological interest, able to interact with proteins or membranes (Cell Penetrating Peptides, CPPs or AntiMicrobial Peptides, AMPs). In particular, polyproline helix II (PPII) foldamers, although one of the most widespread secondary structures, are still less studied than α-helices and β-sheets, despite examples in the literature already showing their potential in the design of efficient CPPs and AMPs foldamers. In parallel, the integration of fluorine atoms into biologically active molecules has become a common approach in medicinal chemistry. This strategy is motivated by the unique properties of the fluorine atom, which can stabilize certain conformations, modulate hydrophobicity or be used as a 19F NMR probe, for example.The aim of this thesis work is to combine these two promising areas of medicinal chemistry by developing PPII-type fluorinated foldamers, which are still largely under-exploited for biological applications. Several series of fluorinated foldamers have been obtained. A first series of fully hydrophobic compounds demonstrated, through NMR, CD and X-ray diffraction analyses, that the incorporation of trifluoromethylated pseudoprolines, CF3ΨPro, within proline oligomers did not disrupt PPII helix structure. These fluorinated foldamers were found to be more hydrophobic than their non-fluorinated analogues, yet equally stable against enzymatic degradation and non-cytotoxic, enabling them to be considered for biological applications. Cationic charges were then introduced, leading to three new series of amphipathic foldamers. DSC and 19F NMR techniques revealed the ability of one series to interact with membrane mimetics. Finally, the design of ten fluorinated foldamers inhibiting the aggregation of the amyloid protein α-synuclein was carried out. To this end, proline oligomers were functionalized in a rational manner to optimize peptide-protein interactions
Martin, Charlotte. „De la silaproline à la synthèse d'homopolypeptides mimes d'hélice polyproline de type II“. Thesis, Montpellier 2, 2013. http://www.theses.fr/2013MON20246/document.
Der volle Inhalt der QuelleUnnatural α-amino acids form a family of essential compounds for the design of peptidomimetics. More specifically, the use of silicon as an isostere of carbon on the side chain of α-amino acids has been widely reported in the literature, while demonstrating the importance of this modification. In particular, the fundamental role of proline in peptide structures, and the advantage of the silicon, promoted us to focus on the silaproline.After the development of a gram scale synthesis of silaproline, we prepared homopolypeptides of this particular residue. Firstly, monodisperse silaproline oligomers were synthesized. The structural study by NMR, CD and molecular modeling confirmed the conformational preference for polyproline type II helix (PPII). Then longer polymers were obtained by polymerization of N-carboxyanhydrides. These new biopolymers were prepared, leading to more lipophilic PPII mimics.Finally, a new way of polymerization by reacting esters under mild conditions has been optimized for easy access to polypeptides
Chaubet, Guilhem. „Nouvelles réactions de contraction de cycle : outils pour la construction d'édifices organisés“. Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2013. http://tel.archives-ouvertes.fr/tel-01066789.
Der volle Inhalt der QuelleBuchteile zum Thema "Hélice polyproline de type II"
Siermala, Markku, Martti Juhola und Mauno Vihinen. „Binary Vector or Real Value Coding for Secondary Structure Prediction? A Case Study of Polyproline Type II Prediction“. In Medical Data Analysis, 264–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-45497-7_40.
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