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相关概念视频

Intrinsically Disordered Proteins02:18

Intrinsically Disordered Proteins

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Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
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Intrinsically Disordered Proteins02:18

Intrinsically Disordered Proteins

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Protein and Protein Structure02:15

Protein and Protein Structure

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Proteins are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules. Proteins may be structural, regulatory, contractile, or protective. They may serve in transport, storage, or membranes; or they may be toxins or enzymes. Their structures, like their functions, vary greatly. They are all, however, amino acid polymers arranged in a linear sequence.
A protein's shape is critical to its function. For example, an enzyme...
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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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Self-Awareness and Its Effects01:21

Self-Awareness and Its Effects

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Self-awareness is a psychological state in which the individual becomes the focal point of their attention. This inward focus transforms the self into an object of contemplation and assessment, influencing how individuals perceive their actions and their alignment with personal and societal standards.Triggers and Contexts for Self-AwarenessSelf-awareness can be activated by external stimuli that make individuals visually or audibly aware of themselves, such as mirrors, cameras, or recordings.
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Altered States of Awareness01:06

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Altered states of consciousness represent significant deviations from one's normal mental state. These deviations can range from subtle changes in awareness to profound transformations in perception, thought processes, and sensory experiences. Altered states of consciousness can be triggered by various factors, including drug use, meditation, hypnosis, illness, or even intense fatigue.
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain...
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Paramagnetic Relaxation Enhancement for Detecting and Characterizing Self-Associations of Intrinsically Disordered Proteins
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Paramagnetic Relaxation Enhancement for Detecting and Characterizing Self-Associations of Intrinsically Disordered Proteins

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ESMDisPred:一种结构意识的CNN转换器架构,用于内在无序蛋白质预测.

Md Wasi Ul Kabir, Ayon Dey, Farzeen Nafees

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    概括
    此摘要是机器生成的。

    我们开发了ESMDisPred,这是一个新的计算工具,通过将蛋白质语言模型与结构数据相结合,准确预测内在无序蛋白质 (IDP). 这一进步有助于理解蛋白质功能和疾病机制.

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    A Protocol for Computer-Based Protein Structure and Function Prediction
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    A Protocol for Computer-Based Protein Structure and Function Prediction

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    科学领域:

    • 计算生物学 计算生物学
    • 结构生物学 结构生物学
    • 生物化学 生物化学

    背景情况:

    • 内在无序的蛋白质 (IDP) 缺乏稳定的结构,但对生物过程至关重要.
    • 国内流离失所者的灵活性使实验研究复杂化,并将它们与癌症等疾病联系起来.
    • 准确的IDP计算预测对于研究,药物发现和蛋白质工程至关重要.

    研究的目的:

    • 介绍ESMDisPred,一种新的结构感知预测器,用于内在无序的蛋白质.
    • 通过整合序列和结构信息来提高计算障碍预测的准确性.
    • 提高对生物系统和疾病中的IDP作用的理解.

    主要方法:

    • 利用进化规模建模-2 (ESM2) 蛋白质语言模型用于序列嵌入.
    • 集成序列嵌入与蛋白质数据库 (PDB) 的结构数据.
    • 采用混合CNN-变压器架构与功能工程策略.

    主要成果:

    • 在CAID3基准上,ESMDisPred实现了最先进的预测准确度.
    • 实现了0.895的ROC-AUC,0.778的AP,以及0.759.759的最大F1得分.
    • 与最近的疾病预测方法相比,表现优越.

    结论:

    • 将蛋白质语言模型嵌入式与明确的结构信息集成,可以改善疾病预测.
    • ESMDisPred为研究境内流离失所者提供了一个强大的工具.
    • 这种方法推进了计算生物学和结构生物学研究.