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Protein Glycosylation01:25

Protein Glycosylation

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Glycosylation, the most common post-translational modification for proteins, serves diverse functions. Adding sugars to proteins makes the proteins more resistant to proteolytic digestion. Glycosylated proteins can act as markers and receptors to promote cell-cell adhesion. Additionally, they have many essential quality control functions in the cell, such as correct protein folding and facilitating transport of misfolded proteins to the cytosol, which can be degraded.
Glycosylation occurs in...
7.3K
2D NMR: Overview of Homonuclear Correlation Techniques01:16

2D NMR: Overview of Homonuclear Correlation Techniques

295
Homonuclear correlation spectroscopy (COSY) is a powerful technique used in Nuclear Magnetic Resonance (NMR) spectroscopy to study the correlations between nuclei of the same type within a molecule. It provides information about scalar couplings between adjacent nuclei, which helps determine connectivity and structural information. There are several COSY variants, each with its unique strengths and experimental parameters.
COSY90 is the standard two-dimensional (2D) COSY experiment that...
295
2D NMR: Overview of Heteronuclear Correlation Techniques01:18

2D NMR: Overview of Heteronuclear Correlation Techniques

308
Heteronuclear correlation spectroscopy is an analytical technique that investigates the coupling between different types of nuclei, often a proton and an X-nucleus, such as carbon-13 or nitrogen-15. This method is commonly used in nuclear magnetic resonance (NMR) spectroscopy to gain insights into complex chemical compounds' structural and compositional aspects. A typical heteronuclear correlation spectrum displays X-nucleus chemical shifts on one axis and a proton spectrum on the other...
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相关实验视频

Updated: Sep 14, 2025

Glycan Node Analysis: A Bottom-up Approach to Glycomics
11:36

Glycan Node Analysis: A Bottom-up Approach to Glycomics

Published on: May 22, 2016

10.5K

通过非线性相关性分析解读甘氨酸动力学.

Koichi Kato1,2,3,4, Tokio Watanabe4, Takumi Yamaguchi1,3,4,5

  • 1Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji-cho, Okazaki, Aichi 444-8787, Japan.

Chemical & pharmaceutical bulletin
|July 24, 2025
PubMed
概括

这项研究使用分子动力学模拟和NMR来揭示甘氨酸结构如何影响生物作用. 了解甘氨酸的动态是甘氨酸工程和药物发现的关键.

关键词:
构造动力学 构造动力学糖甘是什么 糖甘是什么 糖甘是什么在分子内,有键.分子模拟分子模拟非线性相关性分析的分析.

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Author Spotlight: MAPP Protocol &#8211; Advancing Glycan Analysis
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Author Spotlight: Unveiling the Structural and Dynamic Aspects of Glycan Molecular Recognition
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Author Spotlight: Unveiling the Structural and Dynamic Aspects of Glycan Molecular Recognition

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相关实验视频

Last Updated: Sep 14, 2025

Glycan Node Analysis: A Bottom-up Approach to Glycomics
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Glycan Node Analysis: A Bottom-up Approach to Glycomics

Published on: May 22, 2016

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Author Spotlight: Unveiling the Structural and Dynamic Aspects of Glycan Molecular Recognition
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Author Spotlight: Unveiling the Structural and Dynamic Aspects of Glycan Molecular Recognition

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科学领域:

  • 碳水化合物化学 碳水化合物化学
  • 结构生物学 结构生物学
  • 计算生物学 计算生物学

背景情况:

  • 甘氨酸是参与许多生物过程的关键生物分子.
  • 由于它们的灵活性和复杂结构,对甘氨酸的结构分析具有挑战性.

研究的目的:

  • 为了研究甘氨酸的动态形状组合.
  • 阐明甘油酸二面角和键在甘油酸结构中的作用.
  • 了解甘氨酸结构如何影响生物功能.

主要方法:

  • 分子动力学 (MD) 模拟
  • 核磁共振光谱法 (NMR) 是一种光谱法.
  • 非线性相关性分析 (希尔伯特-施密特独立性标准,最大信息系数)

主要成果:

  • 在稳定甘氨酸构成中,确定了甘氨酸链接和键之间的关键相关性.
  • 证明了如何去除曼残留物改变键网络并扩大构造空间.
  • 链接甘氨酸的结构动态与内质网膜中的甘氨酸蛋白命运.

结论:

  • 通过整合MD,NMR和先进的统计分析,建立了一个强大的框架来理解糖甘的结构动态.
  • 这些发现提供了关于甘氨酸生物活性的见解,并对甘氨酸工程和药物发现有影响.
  • 这项研究强调了甘氨酸在动态生物分子治疗设计中的结构动态的重要性.