نتایج جستجو برای: peptide analogue
تعداد نتایج: 199665 فیلتر نتایج به سال:
Photoaffinity labeling methods have allowed a definition of the sites of interaction between Taxol and its cellular target, the microtubule, specifically b-tubulin. Our previous studies have indicated that [H]3*-(pazidobenzamido)Taxol photolabels the N-terminal 31 amino acids of b-tubulin (Rao, S., Krauss, N. E., Heerding, J. M., Swindell, C. S., Ringel, I., Orr, G. A., and Horwitz, S. B. (1994...
We report the discovery of conopressin-T, a novel bioactive peptide isolated from Conus tulipa venom. Conopressin-T belongs to the vasopressin-like peptide family and displays high sequence homology to the mammalian hormone oxytocin (OT) and to vasotocin, the endogenous vasopressin analogue found in teleost fish, the cone snail's prey. Conopressin-T was found to act as a selective antagonist at...
Photoaffinity labeling methods have allowed a definition of the sites of interaction between Taxol and its cellular target, the microtubule, specifically beta-tubulin. Our previous studies have indicated that [(3)H]3'-(p-azidobenzamido)Taxol photolabels the N-terminal 31 amino acids of beta-tubulin (Rao, S., Krauss, N. E., Heerding, J. M., Swindell, C. S., Ringel, I., Orr, G. A., and Horwitz, S...
We have covalently coupled single-walled carbon nanotubes (SWNTs) to peptide nucleic acid (PNA, a synthetic DNA analogue [1]), and shown that the resulting macromolecular wires hybridize with complementary DNA. This provides a powerful tool to incorporate SWNTs into a recognition-based, massively parallel device assembly strategy, and permits sequence-specific attachment of SWNTs to biological ...
A new series of peptide-like derivatives containing different aromatic amino acids andpossessing pharmacophores of COX-2 inhibitors as SO2Me or N3 attached to the para positionof an end phenyl ring was synthesized for evaluation as selective cyclooxygenase-2 (COX-2)inhibitors. The synthetic reactions were based on the solid phase peptide synthesis methodusing Wang resin. One of the analogues, i...
A novel amino acid derivative 3-(4-(1, 2, 4, 5-tetrazine-3-yl) phenyl)-2-aminopropanoic acid was synthesized in this study. The compound possessed better water-solubility and was synthesized more easily compared with the well-known and commercially available 3-(p-benzylamino)-1, 2, 4, 5-tetrazine. Tetrazine-containing amino acid showed excellent stability in biological media and might be used f...
Biomolecules containing the RGD peptide sequence are known to bind integrins with high affinity. Studies of hexa-and hepta-peptides labeled with a near-infrared fluorescent probe (cypate) showed that rearranging the glycine in a linear RGD peptide sequence to form the GRD analogue favored the uptake of the GRD compound by alphavbeta3 integrin receptor (ABIR)-positive A549 tumor cells and tissue...
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