Kusintha kosankha ndikuyika zilembo zama fulorosenti za N-terminal glycine-containing peptides: zida zatsopano zowunikira kafukufuku wa sayansi ya moyo

Peptides ndi gawo lofunikira pazochitika za moyo, ndipo kusinthidwa kwawo ndikulemba zilembo ndikofunikira kuti tiphunzire kapangidwe kawo ndi momwe amagwirira ntchito. Over the past decade, methods have been developed to label glycine on α-carbon. Komabe, these methods require pre-functionalization of glycine, which is not possible for rapid recognition of natural amino acids.In this study, we report the dual activation of the α-methylene of glycine, which distinguishes this glycine from 19 other amino acids.

Technical Advantages

Specific selectivity, utilizing the unique chemical properties of N-terminal glycine to realize its specific reaction with modifying reagents and avoid the interference of other amino acid residues.

• Universal: Applicable to a wide range of N-terminal glycine-containing peptides, as well as different modification groups and fluorescent dyes.
• Wide range of applications: Provide a powerful tool for peptide structure and function studies, drug screening, bio-imaging and other fields.

This study provides a method for selective labeling of N-terminal glycine peptides using 1,3-diphenyl 1,3-diones to provide pyrrole-based fluorescent products. It is strictly selective for N-terminal glycine due to the “dual activation” mechanism. It provides a theoretical basis for customized N-glycine-based fluorescence modification and a stability test method for rapid identification of N-terminal glycine-containing peptides.

Bingyan Gao

Katswiri Wapamwamba ndi Analytical Technician Ukatswiri Wapakatikati: Kupatukana ndi kuzindikiritsa zonyansa zotsalira, Kupanga njira ya HPLC/MS, Chiral chiyero kusanthula, ndi kutsatira ma pharmacopoeias apadziko lonse lapansi.

Za Wolemba Zolemba Zaposachedwa

Mbiri: Bingyan Gao ndiye "woyang'anira pakhomo" wa ukhondo wa peptide ndi mtundu. Ndiwodziwa bwino kugwiritsa ntchito zida zowunikira zapamwamba kwambiri ndipo amapanga njira zosiyanitsira chromatographic pama peptides osinthika kwambiri.. Iye wakhazikitsa okhwima chidetso mbiri dongosolo osati kuonetsetsa mankhwala chiyero cha 99% kapena apamwamba komanso amazindikiritsa ndendende ndikuchotsa zonyansa zomwe zingayambitse immunogenicity. Ndikumvetsetsa mozama za FDA ndi EMA zofunikira zowongolera mankhwala a peptide, amawonetsetsa kuti gulu lililonse lomwe latulutsidwa kuchokera pamalowa likutsatiridwa ndi Satifiketi Yowunikira bwino komanso yovomerezeka. (COA).

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