Topology-dependent swichability of peptide secondary structures in bioconjugates with complex architectures.

Topology-dependent swichability of peptide secondary structures in bioconjugates with complex architectures.
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具有复杂结构的生物缀合物中肽二级结构的拓扑依赖性可切换性。

DOI:
10.1002/marc.201300808
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发表时间:
2014
影响因子:
4.6
通讯作者:
Kerstin T. Wiss
Kerstin T. Wiss
中科院分区:
化学3区
文献类型:
--
作者:
H. Börner;Romina I. Sütterlin;P. Théato;Kerstin T. Wiss

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肽序列,其表现出可逆的pH响应性卷曲到α-螺旋二级结构的转变,被缀合到聚合物前体以产生线性AB和接枝阿坝肽-聚(环氧乙烷)缀合物。虽然PEO B-嵌段是相当的,但缀合物在携带A-嵌段的肽的拓扑结构上不同。研究了拓扑结构对肽段结构转变的影响,比较了线性AB-生物缀合物与具有以星星或pom-pom拓扑结构组合的多个肽段的接枝ABA-生物缀合物。
Peptide sequences, which exhibit a reversible pH-responsive coil to α-helix secondary structure transition, are conjugated to polymer precursors to yield linear AB and graft ABA peptide-poly(ethylene oxide) conjugates. While the PEO B-block is comparable, the conjugates differ in topologies of the peptide bearing A-blocks. The influences of topology on the structure transitions in the peptide segments are investigated, comparing linear AB-bioconjugates with graft ABA-bioconjugates having multiple peptide segments combined in star or pom-pom topologies.
DOI: 10.1039/c2sm07025a
发表时间: 2012-04-14
期刊: Soft matter
影响因子: 3.4
作者:
Krishna OD;Wiss KT;Luo T;Pochan DJ;Theato P;Kiick KL
通讯作者: Kiick KL