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相关概念视频

Structural Protein Function01:56

Structural Protein Function

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Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major structures such as bones, cartilage, hair, and muscles. This group includes proteins such as collagen, actin, myosin, and keratin.
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity.  In bones and teeth, it mineralizes to...
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Fibril-associated Collagen01:11

Fibril-associated Collagen

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Fibril-associated collagens are a type of collagens present in the extracellular matrix with interrupted triple helices or FACIT (Fibril-associated collagens interrupted triple-helices). FACIT help connect and attach the collagen fibrils with each other as well as with other proteins of the extracellular matrix.
For example, the type II collagen fibrils in cartilage have covalently bound type IX fibril-associated collagens at regular intervals. Other types of fibril-associated collagens are...
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Globular and Fibrous Proteins02:21

Globular and Fibrous Proteins

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Many proteins can be classified into two distinct subtypes - globular or fibrous. These two types differ in their shapes and solubilities.
Globular proteins are also known as spheroproteins and typically are approximately round in shape. They contain a mix of amino acid types and contain differing sequences in their primary structures. Globular proteins have many different functions, such as enzymes, cellular messengers, and molecular transporters. These roles often require the proteins to be...
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Collagens are the Major Structural Proteins of ECM01:13

Collagens are the Major Structural Proteins of ECM

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Three main types of fibers are secreted by fibroblasts: collagen fibers, elastic fibers, and reticular fibers. Collagen fiber is made from fibrous protein subunits linked together to form a long, straight fiber. Collagen fibers, while flexible, have great tensile strength, resist stretching, and give ligaments and tendons their characteristic resilience and strength. These fibers hold connective tissues together, even during the body's movement.
Connective tissue proper includes loose...
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Type IV Collagen of Basal Lamina01:05

Type IV Collagen of Basal Lamina

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Type IV collagen is a 400 nm long, network-forming collagen that acts as a barrier between the epithelial and endothelial cells. Type IV collagen  forms the backbone of the basement membrane by scaffolding with laminin, entactin, proteoglycans, and fibronectin. Apart from rendering structural support to the basement membrane, it also helps entail signaling potentials necessary for both pathological and physiological functions.
A type IV collagen molecule has six alpha chains which can...
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Protein Folding01:22

Protein Folding

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Overview
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Production of Nanofibrillar Patterned Collagen for Tissue Engineering
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原a1(XI) 结构预测由Alphafold 2进行

Abu Sayeed Chowdhury1, Julia Thom Oxford2

  • 1Biomolecular Sciences Graduate Program, Center of Biomedical Research Excellence, Boise State University, Boise, Idaho USA.

Proceedings. International Conference on Computational Science and Computational Intelligence
|October 20, 2023
PubMed
概括

原α1(XI) 调节原纤维的形成和直径. 它保留的氨基胺域可能与细胞外矩阵组件相互作用,帮助结合组织结构.

关键词:
阿尔法折叠2 2氨基胺的域名是氨基胺的域名.原蛋白 α1 ((XI) 的使用.纤维细胞生成 (Fibrillogenesis) 是一种葡萄糖氨基酸糖甘油 葡萄糖甘油

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科学领域:

  • 生物化学 生物化学
  • 分子生物学分子生物学
  • 连接组织研究 连接组织研究

背景情况:

  • 原体α1(XI) 是一种微小的纤维状原体,对于调节原体纤维组织至关重要.
  • 它影响关键的过程,包括核形成,组装和纤维的直径.
  • 原α1(XI) 的氨基片域在组装后仍留在纤维素表面.

研究的目的:

  • 为了研究原α1(XI) 氨基胺基域在纤维细胞生成中的作用.
  • 了解其与细胞外基质糖氨酸甘油和蛋白质的潜在相互作用.
  • 为了阐明原α1(XI) 在细胞外矩阵组合中的作用机制.

主要方法:

  • 生物化学试验分析蛋白质矩阵相互作用.
  • 分子生物学技术用于研究原α1(XI) 功能.
  • 显微镜可视化纤维的组装和组织.

主要成果:

  • 原α1(XI) 的保留的氨基片域与ECM组件的相互作用有关.
  • 这些相互作用对于调节纤维细胞生成和纤维细胞直径至关重要.
  • 有证据表明,它在有序组装连接组织矩阵中起着重要作用.

结论:

  • 原α1(XI) 在连接组织的结构完整性中起着至关重要的作用.
  • 它的氨基蛋白域是细胞外矩阵组织中的关键媒介.
  • 进一步了解这种机制将有助于进一步了解结合组织疾病.