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相关概念视频

Ligand Binding and Linkage00:49

Ligand Binding and Linkage

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Allosteric proteins have more than one ligand binding site; the binding of a ligand to any of these sites influences the binding of ligands to the other sites. When a protein is allosteric, its binding sites are called coupled or linked.  In the case of enzymes, the site that binds to the substrate is known as the active site and the other site is known as the regulatory site. When a ligand binds to the regulatory site, this leads to conformational changes in the protein that can influence...
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Protein-protein Interfaces02:04

Protein-protein Interfaces

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Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
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The Equilibrium Binding Constant and Binding Strength02:18

The Equilibrium Binding Constant and Binding Strength

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The equilibrium binding constant (Kb) quantifies the strength of a protein-ligand interaction. Kb can be calculated as follows when the reaction is at equilibrium:
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Conserved Binding Sites

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Ligand Binding Sites

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Proteins are dynamic macromolecules that carry out a wide variety of essential processes; however, the activities of most proteins depend on their interactions with other molecules or ions, known as ligands.
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PANCS-Binders:一个快速,高吞吐率的绑定器发现平台.

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概括

我们开发了一种新方法,PANCS-Binders,以快速发现蛋白质结合剂. 这个平台在短短两天内选了数十亿个蛋白质相互作用,加速了研究和治疗开发.

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科学领域:

  • 生物技术是生物技术.
  • 分子生物学分子生物学
  • 蛋白质工程是指蛋白质工程.

背景情况:

  • 结合特定点的蛋白质对于研究,诊断和治疗至关重要.
  • 现有的发现这些蛋白质结合剂的方法是缓慢的,劳动密集的,并且往往不成功.

研究的目的:

  • 建立一个新的体内选择平台,PANCS-Binders,用于高通量蛋白质结合剂的发现.
  • 为了证明PANCS-Binders在选大型蛋白质库对多个目标的效率和速度.

主要方法:

  • 开发了PANCS-Binders,这是一个将M13菌体生命周期连接到通过分裂RNA聚合酶生物传感器的目标结合的平台.
  • 对95个标进行了多个蛋白质库的选,评估了10^11个蛋白质与蛋白质的相互作用.
  • 用近距离依赖的生物传感器进行高准确度的绑定评估.

主要成果:

  • 在短短2天内,成功选了1011个蛋白质-蛋白质相互作用.
  • 产生了大量高质量的数据集,其中包含数百种新型蛋白质结合剂.
  • 证明了对各种目标发现结合剂的能力.

结论:

  • PANCS-Binders显著加速和简化了蛋白质结合剂发现过程.
  • 该平台能够快速识别潜在的治疗或诊断应用的新型结合剂.
  • 这项技术为使用工程结合剂的蛋白质组向提供了新的可能性.