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相关概念视频

Protein Organization01:13

Protein Organization

Overview
Protein Organization01:13

Protein Organization

Overview
Protein Complex Assembly02:41

Protein Complex Assembly

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.
Many viruses self-assemble into a fully functional unit using the infected host cell to...
Protein Organization01:24

Protein Organization

Proteins are polymers of amino acid residues. They are versatile and responsible for different cellular functions, including DNA replication, molecular transport, catalysis, and structural support. Proteins have a hierarchical structure comprising at least three levels of organization: primary, secondary, and tertiary structure. Some large proteins have a quaternary structure where individual protein subunits are linked together.
The primary structure of a protein is its amino acid sequence.
Protein Complex Assembly02:41

Protein Complex Assembly

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.
Many viruses self-assemble into a fully functional unit using the infected host cell to...
Protein Organization01:24

Protein Organization

Proteins are polymers of amino acid residues. They are versatile and responsible for different cellular functions, including DNA replication, molecular transport, catalysis, and structural support. Proteins have a hierarchical structure comprising at least three levels of organization: primary, secondary, and tertiary structure. Some large proteins have a quaternary structure where individual protein subunits are linked together.
The primary structure of a protein is its amino acid sequence.

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相关实验视频

Updated: Jun 20, 2026

Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides
07:26

Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides

Published on: November 21, 2013

编程生物分子自我组装途径

Peng Yin1, Harry M T Choi, Colby R Calvert

  • 1Department of Bioengineering, California Institute of Technology, Pasadena, California 91125, USA.

Nature
|January 19, 2008
PubMed
概括
此摘要是机器生成的。

科学家们通过编程反应路径,设计了DNA分子来执行动态功能,如自我组装和运动. 这为自主分子系统的合成生物学带来了进步.

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Automated Robotic Liquid Handling Assembly of Modular DNA Devices
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Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly
09:34

Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly

Published on: February 6, 2020

相关实验视频

Last Updated: Jun 20, 2026

Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides
07:26

Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides

Published on: November 21, 2013

Automated Robotic Liquid Handling Assembly of Modular DNA Devices
11:22

Automated Robotic Liquid Handling Assembly of Modular DNA Devices

Published on: December 1, 2017

Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly
09:34

Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly

Published on: February 6, 2020

科学领域:

  • 合成生物学 合成生物学
  • 生物物理学的生物物理.
  • 分子工程分子工程分子工程

背景情况:

  • 大自然利用自我组装的蛋白质核酸复合体来实现动态功能.
  • 合成方法主要集中在稳定的结构上,而不是短暂的动态.
  • 将反应路径编码为生物聚合物是自主动态系统的关键.

研究的目的:

  • 编程各种分子自我组装和拆卸的途径.
  • 设计能够在没有干预的情况下执行动态功能的合成系统.
  • 探索核酸作为分子编程的多功能设计介质.

主要方法:

  • 使用"反应图"抽象来定义DNA域互补性.
  • 在编程路径中采用了多功能DNA发针图案.
  • 执行各种动态函数的分子程序.

主要成果:

  • 证明了分支DNA连接的催化形成.
  • 通过交叉催化电路实现了自催化双重组的形成.
  • 展示了核状树突生长和自主分子步行者运动.

结论:

  • 可以编程DNA来执行复杂的自我组装和拆卸路径.
  • "反应图"方法可以设计动态分子系统.
  • 这项工作为创建自主,功能合成生物分子系统奠定了基础.