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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 25, 2026

Detecting and Characterizing Protein Self-Assembly In Vivo by Flow Cytometry
05:58

Detecting and Characterizing Protein Self-Assembly In Vivo by Flow Cytometry

Published on: July 17, 2019

自组装蛋白质微阵列 自组装蛋白质微阵列

Niroshan Ramachandran1, Eugenie Hainsworth, Bhupinder Bhullar

  • 1Harvard Institute of Proteomics, Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, 320 Charles Street, Cambridge, MA 02141, USA.

Science (New York, N.Y.)
|July 3, 2004
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种新的蛋白质微阵列技术,使用互补DNA和现场翻译. 这种方法简化了功能研究的蛋白质生产,克服了蛋白质微阵列开发和应用中的常见挑战.

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Self-Assembly of Gamma-Modified Peptide Nucleic Acids into Complex Nanostructures in Organic Solvent Mixtures
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Last Updated: Jun 25, 2026

Detecting and Characterizing Protein Self-Assembly In Vivo by Flow Cytometry
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Self-Assembly of Gamma-Modified Peptide Nucleic Acids into Complex Nanostructures in Organic Solvent Mixtures
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科学领域:

  • 分子生物学分子生物学
  • 生物化学 生物化学
  • 蛋白质组学是指蛋白质组学

背景情况:

  • 蛋白质微阵列对于研究蛋白质功能是有价值的,但在蛋白质生产方面面临着挑战.
  • 传统方法需要蛋白质净化,可能导致稳定性问题,限制广泛使用.

研究的目的:

  • 开发一种改进的方法来产生蛋白质微阵列.
  • 为了克服与蛋白质生产和功能分析稳定性相关的局限性.

主要方法:

  • 通过在玻璃幻灯片上打印互补DNA (cDNA) 来生成蛋白质微阵列.
  • 使用在位翻译与哺乳动物网细胞溶解物产生标蛋白质.
  • 采用表位标签用于在位移动翻译蛋白的固定.

主要成果:

  • 在没有蛋白质净化的情况下成功创建了功能蛋白质微阵列.
  • 通过绘制29个人类DNA复制蛋白之间的相互作用来证明该方法的实用性.
  • 概述了Cdt1的约束性法规,并绘制了其双子链的约束性域.

结论:

  • 开发的基于cDNA的现场翻译方法简化了蛋白质微阵列的生产.
  • 这种方法提高了功能研究的蛋白质可用性,并克服了稳定性问题.
  • 该技术有效地映射蛋白相互作用和调节机制.