نتایج جستجو برای: proline rich cyclic peptide
تعداد نتایج: 416273 فیلتر نتایج به سال:
Src homology 3 (SH3) domains mediate protein-protein interactions necessary for the coupling of cellular proteins involved in intracellular signal transduction. We previously established solution-binding conditions that allow affinity isolation of Src SH3-binding proteins from cellular extracts (Z. Weng, J. A. Taylor, C. E. Turner, J. S. Brugge, and C. Seidel-Dugan, J. Biol. Chem. 268:14956-149...
The orientations, geometries and lipid interactions of designed transmembrane (TM) peptides have attracted significant experimental and theoretical interest. Because the amino acid proline will introduce a known discontinuity into an alpha-helix, it is important to measure the extent of helix kinking caused by a single proline within an isolated TM helical domain. For this purpose, acetylGWWLAL...
The present review discusses the role of tri-peptide Proline -Glycine -Proline (PGP) as a potential player, biomarker and therapeutic target in this process.
Numerous spider venom-derived gating modifier toxins exhibit conformational heterogeneity during purification by reversed-phase high-performance liquid chromatography (RP-HPLC). This exchange is especially peculiar for peptides containing an inhibitor cystine knot motif, which confers excellent structural stability under conditions that are not conducive to disulfide shuffling. phenomenon often...
Histidyl-proline diketopiperazine is produced in brain as a product of the metabolism of thyrotropin-releasing hormone. A number of the previously observed central nervous system and pituitary activities resulting from an exposure to thyrotropin-releasing hormone appear to involve the conversion of the releasing factor to the cyclic dipeptide. In the present study, the development of a rabbit a...
Positively charged cyclic peptides (three to seven amino acids) have been tested for their inhibitory effects on Na/Ca exchange in the cardiac sarcolemma vesicles. The lead structure of Phe-Arg-Cys-Arg-Cys-Phe-CONH2 (FRCRCFa) has been systematically modified for identification of important pharmacophores. In cyclic peptides (intramolecular SOS bond), the carboxyl terminal is locked with amide (...
Positively charged cyclic peptides (three to seven amino acids) have been tested for their inhibitory effects on Na+/Ca2+ exchange in the cardiac sarcolemma vesicles. The lead structure of Phe-Arg-Cys-Arg-Cys-Phe-CONH2 (FRCRCFa) has been systematically modified for identification of important pharmacophores. In cyclic peptides (intramolecular S-S bond, the carboxyl terminal is locked with amide...
The creation of effective bioscavengers as a pretreatment for exposure to nerve agents is a challenging medical objective. We report a recombinant method using chemical polysialylation to generate bioscavengers stable in the bloodstream. Development of a CHO-based expression system using genes encoding human butyrylcholinesterase and a proline-rich peptide under elongation factor promoter contr...
Plant and algal prolyl 4-hydroxylases (P4Hs) are key enzymes in the synthesis of cell wall components. These monomeric enzymes belong to the 2-oxoglutarate dependent superfamily of enzymes characterized by a conserved jelly-roll framework. This algal P4H has high sequence similarity to the catalytic domain of the vertebrate, tetrameric collagen P4Hs, whereas there are distinct sequence differen...
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