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Multiprotein signaling complexes are formed in a dynamic process involving protein-protein interactions at the cytoplasmic domain of transmembrane receptors or enzymatic and non-enzymatic proteins associated with the receptor. These complexes ensure the activation and propagation of intracellular signals that regulate cell functions.
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Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types.  Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
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Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly
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光触发的 AND 逻辑四甲动态共价组件组合.

Yuhua Tang1, Liang Gao2, Jinbo Fei3

  • 1College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China.

Colloids and surfaces. B, Biointerfaces
|April 4, 2024
PubMed
概括

研究人员开发了一种光触发方法,使用动态共价化学组装短. 这种新的方法可以精确控制潜在的生物应用的分子组装.

关键词:
硫化二氧化物是二硫化物中的一种.动态的共价键是动态的共价键.分子组合的分子组合.这是一种类.刺激-响应 刺激-响应

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科学领域:

  • 生物化学 生物化学
  • 材料科学 材料科学 材料科学
  • 化学生物学 化学生物学

背景情况:

  • 动态共价化学提供了响应和可逆的分子组合.
  • 对先进的生物材料来说,通过光等外部刺激来控制组合至关重要.
  • 半氨酸介导的二硫化键形成是生物系统和材料科学中的一个关键反应.

研究的目的:

  • 为了证明光触发和逻辑动态共价组合的线性四.
  • 使用光基生成器进行光介导的pH调节和醇氧化.
  • 通过二硫化键探索的可逆聚合和分解.

主要方法:

  • 一个线性四甲与终端氨酸残留物的合成.
  • 引入光基生成器,用于光引起的pH值变化.
  • 硫醇的氧化聚合在光照射下形成二硫化键.
  • 使用缺乏双氨酸残留物的对照进行比较研究.

主要成果:

  • 实现了光触发和逻辑组装的四.
  • 证明光,光基发生器和氧化剂足以进行聚合.
  • 在氧化还原刺激后确认可逆聚合和分解.
  • 在对照中没有观察到与单个氨酸残留物的组合.

结论:

  • 建立了一种用于光控制的动态共价组合的新方法.
  • 该系统表现出 AND 逻辑行为,需要多个刺激来激活.
  • 二硫化键的动态性质允许可逆的组装和拆卸.
  • 这种方法在各种生物应用中具有可编程分子组装的巨大潜力.