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相关概念视频

Cotranslational Protein Translocation01:20

Cotranslational Protein Translocation

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Translocation of proteins across membranes is an ancient process that occurs even in bacteria and archaebacteria. In fact, the components of the translocation machinery are still conserved between prokaryotes and eukaryotes.
Sec61 channel partners for cotranslational translocation
During cotranslational translocation, the Sec61 channel partners with the signal recognition particle (SRP), the signal recognition particle receptor (SR), and the ribosomes to transport the nascent polypeptide chain...
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Protein Translocation Machinery on the ER Membrane01:28

Protein Translocation Machinery on the ER Membrane

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The translocon complex situated on the ER membrane is the main gateway for the protein secretory pathway. It facilitates the transport of nascent peptides into the ER lumen and their insertion into the ER membrane.
Sec61 protein conducting channel
In eukaryotes, the translocon complex comprises a core heterotrimeric translocator channel called the Sec61 complex. This channel includes three transmembrane proteins, Sec61α, Sec61β, and Sec61γ, and is the largest subunit of the...
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Enzyme-linked Receptors01:00

Enzyme-linked Receptors

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Enzyme-linked receptors are proteins that act as both receptor and enzyme, activating multiple intracellular signals. This is a large group of receptors that include the receptor tyrosine kinase (RTK) family. Many growth factors and hormones bind to and activate the RTKs.
Neurotrophin (NT) receptors are a family of RTKs, including trkA, trkB, and trkC (tropomyosin-related kinase) receptors. TrkA is specific for nerve growth factor (NGF), neurotrophin-6, and neurotrophin-7. TrkB binds...
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Protein Transport to the Thylakoids01:22

Protein Transport to the Thylakoids

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Thylakoids are membrane-bound sac-like structures within the chloroplast that serve as sites for photosynthesis. Thylakoid lumen contains many electron transport proteins and is enclosed by a thylakoid membrane rich in the light-harvesting complex. Proteins targeted to the thylakoids are transported as precursors and are sorted by the general TOC/TIC import pathway. Once the precursor reaches the stroma, stromal processing peptidases remove their transit signal and expose thylakoid signal...
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Tail-anchoring of Proteins in the ER Membrane01:45

Tail-anchoring of Proteins in the ER Membrane

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Tail-anchored, or TA, proteins are estimated to make up to 3-5% of membrane proteins found in the eukaryotic cell. Such proteins have a single transmembrane domain located approximately 30 amino acid residues upstream from the C-terminal end. As a result, the signal recognition particle (SRP) cannot guide a TA protein to the ER membrane for cotranslational insertion. Hence, they are integrated into the ER membrane post-translationally using their C-terminal end as the anchor. TA proteins...
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Insertion of Multi-pass Transmembrane Proteins in the RER01:29

Insertion of Multi-pass Transmembrane Proteins in the RER

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The rough ER membrane synthesizes, assembles, and embeds transmembrane proteins in diverse topologies. These proteins function as transporters or channels and can remain in the ER membrane or are sent to the Golgi complex, lysosome, and cell membrane.
The multipass transmembrane proteins are the type IV integral membrane proteins with multiple topogenic sequences determining their spatial arrangement in the ER membrane. Nearly all multipass proteins lack a cleavable signal sequence and use...
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相关实验视频

Updated: Jun 25, 2025

A TIRF Microscopy Technique for Real-time, Simultaneous Imaging of the TCR and its Associated Signaling Proteins
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A TIRF Microscopy Technique for Real-time, Simultaneous Imaging of the TCR and its Associated Signaling Proteins

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从结构角度看TRAF1

Hyunseok Jang1, Subin Kim1, Do Yeon Kim1

  • 1College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea.

Biomolecules
|May 24, 2024
PubMed
概括
此摘要是机器生成的。

瘤亡因子受体相关因子 (TRAFs) 是关键的信号蛋白. 本综述详细介绍了TRAF域的结构多样性及其与受体的相互作用,重点关注TRAF1.

关键词:
这是一个TRAF域名.在TRAF1上.蛋白质相互作用 蛋白质相互作用结构的结构结构的结构.

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Probing Structural and Dynamic Properties of Trafficking Subcellular Nanostructures by Spatiotemporal Fluctuation Spectroscopy
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Brain Slice Biotinylation: An Ex Vivo Approach to Measure Region-specific Plasma Membrane Protein Trafficking in Adult Neurons
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相关实验视频

Last Updated: Jun 25, 2025

A TIRF Microscopy Technique for Real-time, Simultaneous Imaging of the TCR and its Associated Signaling Proteins
16:10

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Probing Structural and Dynamic Properties of Trafficking Subcellular Nanostructures by Spatiotemporal Fluctuation Spectroscopy
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Brain Slice Biotinylation: An Ex Vivo Approach to Measure Region-specific Plasma Membrane Protein Trafficking in Adult Neurons
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科学领域:

  • 分子生物学分子生物学
  • 蜂信号传输是如何进行的
  • 结构生物学是结构生物学.

背景情况:

  • 瘤亡因子受体关联因子 (TRAF) 蛋白质是细胞信号通路的关键调解者,包括免疫反应,细胞命运,发育和血栓形成.
  • TRAF蛋白的功能依赖于它们的TRAF域与各种受体的直接相互作用.
  • 了解TRAF-受体相互作用的结构基础是非常重要的,因为绑定接口有限,并且需要解释类似的TRAF域如何绑定不同的合作伙伴.

研究的目的:

  • 提供对TRAF域的结构和分子多样性的深入审查.
  • 探索不同受体的TRAF结合动机.
  • 特别关注与TRAF1.1相关的结构洞察力.

主要方法:

  • 本综述综合了几十年研究的现有结构和分子数据.
  • 它分析了TRAF域及其绑定接口的结构特征.
  • 该审查审查了各种受体家族中的TRAF结合动机.

主要成果:

  • TRAF域表现出显著的结构和分子多样性.
  • 受体上的TRAF结合图案显示了决定特定TRAF相互作用的变异.
  • 结构研究揭示了类似接口的TRAF家族成员如何结合不同的受体.

结论:

  • TRAF域及其结合动机的结构多样性是它们在细胞信号传输中的多样性作用的基础.
  • 特定的结构适应使TRAF蛋白能够与广泛的受体接触.
  • 进一步的结构研究,特别是关于TRAF1,将提高我们对这些关键信号枢纽的理解.