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Добірка наукової літератури з теми "Protéines REMe"
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Статті в журналах з теми "Protéines REMe"
Kuhn, Claudio Rafael, Lisiane Mendes Torres, Alexandre da Trindade Alfaro, Carlos Prentice-Hernández, and Germano Jorge Dorneles Soares. "Avaliação reológica e físico-química da gelificação térmica do surimi de jundiá." Pesquisa Agropecuária Brasileira 43, no. 12 (December 2008): 1793–98. http://dx.doi.org/10.1590/s0100-204x2008001200021.
Повний текст джерелаKimura, Edna T., and Gilson S. Baía. "Rede ONSA e o Projeto Genoma Humano do Câncer: Contribuição ao Genoma Humano." Arquivos Brasileiros de Endocrinologia & Metabologia 46, no. 4 (August 2002): 325–29. http://dx.doi.org/10.1590/s0004-27302002000400003.
Повний текст джерелаBrennecke, K., A. R. B. Tech, A. I. C. Arce, P. H. C. Luz, V. R. Herling, and E. J. X. Costa. "Predição dos fracionamentos de proteínas de brachiaria brizantha cv marandu utilizando RNA." Archivos de Zootecnia 60, no. 232 (May 12, 2010): 1271–79. http://dx.doi.org/10.21071/az.v60i232.4011.
Повний текст джерелаPezzato, Luiz Edivaldo, Edma Carvalho de Miranda, Margarida Maria Barros, Luis Gabriel Quintero Pinto, Wilson Massumitu Furuya, and Antonio Celso Pezzato. "Digestibilidade Aparente de Ingredientes pela Tilápia do Nilo (Oreochromis niloticus)." Revista Brasileira de Zootecnia 31, no. 4 (July 2002): 1595–604. http://dx.doi.org/10.1590/s1516-35982002000700001.
Повний текст джерелаGonçalves, Giovani Sampaio, Luiz Edivaldo Pezzato, Margarida Maria Barros, Geisa Karine Kleeman, and Dario Falcon Rocha. "Efeitos da suplementação de fitase sobre a disponibilidade aparente de Mg, Ca, Zn, Cu, Mn e Fe em alimentos vegetais para a tilápia-do-nilo." Revista Brasileira de Zootecnia 34, no. 6 suppl (December 2005): 2155–63. http://dx.doi.org/10.1590/s1516-35982005000700001.
Повний текст джерелаKUHN, CLÁUDIO RAFAEL, GERMANO JORGE DORNELES SOARES, CARLOS PRENTICE-HERNÁNDEZ, and JOÃO LUÍS DA SILVA VENDRUSCOLO. "AVALIAÇÃO DA FORÇA DE GEL DE SURIMI DE RESÍDUOS DE PESCADA-FOGUETE ( Macrodon ancylodon) ENRIQUECIDO COM ADITIVOS PROTÉICOS." Boletim do Centro de Pesquisa de Processamento de Alimentos 21, no. 2 (December 31, 2003). http://dx.doi.org/10.5380/cep.v21i2.1162.
Повний текст джерелаMoumen, O., Y. Habibi, Z. Zaagane, and O. Ouldali. "Étude de l’activité anti-inflammatoire et antihémolytique des graines de Lepidium sativum L. (cresson alénois)." Phytothérapie, 2021. http://dx.doi.org/10.3166/phyto-2021-0264.
Повний текст джерелаLien, Katherine. "Hemagglutinin Compatibility between Avian and Human Influenza A viruses using Human Matrix Protein: Based on Scholtissek et al.’s (2002) Article." Journal of Student Science and Technology 8, no. 2 (September 4, 2015). http://dx.doi.org/10.13034/jsst.v8i2.72.
Повний текст джерелаДисертації з теми "Protéines REMe"
Xu, Zeren. "Le rôle et les mécanismes de l'assemblage de REMORIN." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0307.
Повний текст джерелаRemorins are multifunctional proteins that play vital roles in plant immunity, development, and symbiosis by associating with the plasma membrane and sequestering specific lipids into functional membrane nanodomains. These proteins are classified into a multigenic family with six groups characterized by distinct protein-domain compositions. All remorin family members share a C-terminal membrane anchor (REM-CA), a homo-oligomerization domain, and the N-terminal is an intrinsically disordered region (IDR) of variable length. Uniquely, REMs bypass the secretory pathway for membrane targeting and localize to different nanodomains based on their phylogenetic group. In this study, we combined Nuclear Magnetic Resonance (NMR) spectroscopy, protein structure calculations, and advanced molecular dynamics (MD) simulations to reveal the structural and dynamic properties of REMs. We discovered that remorins form stable pre-structured coiled-coil dimers in the cytosol, which act as tunable nanodomain-targeting units. These dimers feature a REM-dependent barcode-like positive surface charge before membrane association. Furthermore, the REM-CAs exhibit structural and dynamic variations across the family, providing a selective platform for phospholipid binding upon membrane contact. The N-terminal IDR forms a flexible fuzzy structural ensemble around the coiled-coil core. The C-terminal anchors create avidity through multivalent electrostatic interactions between anionic lipid headgroups and the positively charged dimer surface, supporting a synergistic mechanism between REM-CA and the coiled-coil domain to segregate lipid-protein nanodomains. Solid-state NMR and coarse-grained MD simulations further revealed the distinct behavior of REM-CAs when associated to the lipid membrane. We observe differences in membrane association profiles of the REM-CAs and of the charged coiled-coils dependent on the dimer surface charges and dependent on the lipids present in the membrane. Coiled-coil stability and the intensity of membrane association is tuned by the lipid headgroups on the membrane surface. The insights enhance our understanding of the molecular mechanisms underlying the role of remorins in membrane organization in plants, the distinct localizations of remorins in membrane nanodomains and the structural factors contributing to the different remorin functions. This research lays the groundwork for future studies to elucidate the complex behaviors of membrane-associated REMs and their structural tuning during cellular signaling and defense mechanisms
Reymond, Philippe. "Les protéines RGK, des petites protéines G atypiques : caractérisation structurale et biochimique du cycle GDP/GTP de Rem2." Paris 6, 2012. http://www.theses.fr/2012PA066626.
Повний текст джерелаRGK proteins are a family of small GTPases, mainly involved in the cellular morphology and migration. They possess large extensions in N- and C-terminus of the minimal G domain that are able to recruit different partners. RGK proteins show conserved substitutions at key positions for the recognition and hydrolysis of the GTP, as the [DTAGQ] motif replacing by a [DxWEx] motif. These elements raise several questions like the capacity of the RGK proteins to sense presence of the GTP or a possible conformational change of the Switch regions during the GDP/GTP cycle. Structure determination of the G domain of the RGK proteins highlights the [DxWEx] motif as the origin of these atypical structural properties. Goals – My thesis consisted to complete the structural characterization of the RGK proteins by studying the GTP binding ; the role of the extensions and the interaction with two of their partners, the Calmodulin and GMIP. Results – We highlighted that extensions are disordered regions which prevent the study of the full RGK proteins in solution. We studied kinetic properties of the GDP/GTP cycle of the G domain of Rem2 (wild type and a mutant of the [DxWEx] motif) and solved the structure of Rem2 bound to the GDP. Conclusion – This work highlights the flexibility of the Switch regions without their extensions and suggests that tryptophan of the [DxWEx] motif is an important feature. It causes a drastic rearrangement of the Switch I that cannot fold back on the nucleotide site and constrains the beginning of the Switch II to adopt a particular conformation
Sawmynaden, Jaysen. "Conception de peptide cyclique et étude de l'interaction protéine-protéine par des méthodes d'échantillonnage accélérée." Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS389.
Повний текст джерелаProteins are molecules involved in biological function. Most of them interact with other protein. Disturb protein protein interactions has high potential in the development of new drugs. Cyclic peptides could be good candidat with a good specificity and target for their targets. Indeed cyclization stabilize and increase their resistance again protease. Make experimental experience to check their binding affinity can be complicated. In this thesis we present method to sample Cyclic peptides’s conformational landscape and predicted their binding affinity for their targets with enhanced sampling method
Delort, Bartholomé. "Études par dynamique moléculaire de l’interaction de Récepteurs Couplés aux Protéines-G avec leurs partenaires extra et intra-cellulaires." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTS113/document.
Повний текст джерелаG-Protein Coupled Receptors form the largest family of human membrane proteins and are involved in many cellular signaling processes. Thus, they constitute a pool of already identified or potential pharmacological targets. The activation of a GPCR starts with the binding of a ligand in its extra-cellular part, further modifying its intrinsic dynamical properties. These structural rearrangements are then transmitted along the transmembrane domains and promote the dissociation of the G-protein on the other side of the bilayer, thus propagating the signal into the intra-cellular compartment. This activation process can be modulated by the binding of many other partners of GPCRs. Despite many structural data now available, these mechanisms are still badly known at the molecular scale. In agreement, molecular dynamics simulations appear to be a method of choice to get a better description of these mechanisms. Nevertheless, the size and the time scales required for the simulation of these membrane systems limit such studies to laboratories having access to large computational facilities.The objective of this work was to predict and get a dynamical view of the interactions of several GPCRs with their partners, by developing an affordable molecular dynamics protocol that combines the coarse-grained MARTINI force field to Replica-Exchange MD simulations.In a first step, we validated our protocol by showing its ability to predict the dynamical binding of peptides to their receptors, through the study of Neurotensin, an agonist of the Neurotensin-1 receptor and CVX15, an antagonist of the CXCR4 chemokine receptor. We also show that the same protocol is able to predict the selectivity of several Neurotensin derived peptides against several wild-type/mutated receptors differing by a single residue.In a second step, we were concerned by the dynamical assembly of a GPCR heterodimer involving the Ghrelin and the Dopamine D2 receptors, respectively coupled to Gq and Gi proteins. Our model was validated by LRET measurements confirming a large protein:protein interface and a high complementarity between G-proteins. Based on this model, we designed and synthesized some peptides able to inhibit the assembly of this G-proteins heterodimer.Finally, we describe other applications of our protocol and how it can be employed and confronted to experiments to : predict the dynamical binding of toxins from snake’s venom to the Vasopressin-1a and Vasopressin-2 receptors ; predict the binding of the Ghrelin and Leap2 peptides to their GHSR-1a receptor and predict the coupling selectivity of several receptors to peptides mimicking the C-terminus of the α subunit of G-proteins