Trichromophoric pentapeptide: impact of beta-sheet conformation on dual path to excimer emission and sensing of BSA

Bag Subhendu Sekhar; Jana Subhashis; Pradhan Manoj Kumar; Pal Sunit

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Trichromophoric pentapeptide: impact of beta-sheet conformation on dual path to excimer emission and sensing of BSA

机译：TrichroMophoric五肽：Beta-Sheet构象对BSA准分子发射和感应的双径的影响

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We are reporting two mechanisms for excimer emission in a designed trichromophoric pentapeptide wherein the triazolo aromatic amino acid scaffold ((Ar)TAA) nucleates beta-sheet conformation. The designed unnatural fluorescent pentapeptide shows an excimer emission either via FRET from the scaffold (ArTAA) acting as a donor or via direct excitation of an acceptor chromophore, (TPy)Ala(Do). Moreover, it serves as an effective fluorescence light-up probe for studying protein-peptide interactions.

机译：我们在设计的季粒细胞肽中报告了两种用于准分子发射的机制，其中三唑芳族氨基酸支架（（AR）TAA）成核β-片状构象。设计的不自然荧光五肽通过从支架（ARTAA）的焦点（ARTAA）或通过受体发出的直接激发（TPY）ALA（DO）直接激发，设计的非自然荧光五肽显示出焦点发射。此外，它用作用于研究蛋白肽相互作用的有效荧光升高探针。

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《RSC Advances》 |2016年第76期|共5页
作者
Bag Subhendu Sekhar; Jana Subhashis; Pradhan Manoj Kumar; Pal Sunit;
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Indian Inst Technol Guwahati Dept Chem Bioorgan Chem Lab North Guwhati 781039 Assam India;

Indian Inst Technol Guwahati Dept Chem Bioorgan Chem Lab North Guwhati 781039 Assam India;

Indian Inst Technol Guwahati Dept Chem Bioorgan Chem Lab North Guwhati 781039 Assam India;

Indian Inst Technol Guwahati Dept Chem Bioorgan Chem Lab North Guwhati 781039 Assam India;

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正文语种 eng
中图分类化学;
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1. Trichromophoric pentapeptide: impact of beta-sheet conformation on dual path to excimer emission and sensing of BSA [J] . Bag Subhendu Sekhar, Jana Subhashis, Pradhan Manoj Kumar, RSC Advances . 2016,第76期

机译：TrichroMophoric五肽：Beta-Sheet构象对BSA准分子发射和感应的双径的影响
2. pH-Induced conformational changes of BSA in fluorescent AuNCs@BSA and its effects on NCs emission [J] . Xue-Ling Cao, Hong-Wei Li, Yuan Yue Vibrational Spectroscopy: An International Journal devoted to Applications of Infrared and Raman Spectroscopy . 2013,第Null期

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3. Charge-transfer emission involving three-coordinate organoboron: V-shape versus U-Shape and impact of the spacer on dual emission and fluorescent sensing [J] . Bai DR, Liu XY, Wang SI Chemistry: A European journal . 2007,第20期

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Trichromophoric pentapeptide: impact of beta-sheet conformation on dual path to excimer emission and sensing of BSA

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