Interweaving the Numerical harmonic symmetry principles of the K+ Pore ion channel momentum

IF 4.4 3区 医学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY Neurochemistry international Pub Date : 2024-06-27 DOI:10.1016/j.neuint.2024.105797
Yuval Ben-Abu
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Abstract

K+ channels exist in all living systems. They allow a selective transition to the K+ ion, which enables the activity of various vital tissues such as muscle cells, neurons, and even bacteria and plants. Despite the mechanism variation in the gating process of K+ channels in different tissues, the selectivity for the K+ ion is preserved and the electrochemical cascade is maintained in these tissues. The electrochemical gradient of the K+ ion is very close to the diffusion rate of K+ ions in bulk water. On the molecular level, how does a K+ ion move across the ion conduction pathway? There are many molecular models that describe and answer this question, however, this is rarely described on the macro level. Here, a physical model can serve as a very good basis for enabling a deeper understanding of the K+ ion for ion transport. Classical physical energy and linear and angular momentum laws can provide a good explanation as to how and what happens to K+ ions when they pass through an ion conduction pathway. This model describes the passage of the ion even before it enters the ion conduction path until the last ion at the end exits. The simulation described here is fascinating and depicts the state of the ion at the farthest end released at almost the same speed as the first ion initially, while all the other ions remain almost at rest. How does this occur? What happens if we change the size or mass of the ion? In this work, I describe this principle and the related problems that could be studied.

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交织 K+ 孔离子通道动量的数值谐波对称原理。
K+ 通道存在于所有生命系统中。它们允许向 K+ 离子进行选择性转换,从而使肌肉细胞、神经元、甚至细菌和植物等各种重要组织得以活动。尽管不同组织中 K+ 通道的门控过程存在机理上的差异,但这些组织对 K+ 离子的选择性得以保留,电化学级联得以维持。K+ 离子的电化学梯度与 K+ 离子在大量水中的扩散速率非常接近。在分子水平上,K+ 离子是如何穿过离子传导途径的呢?有许多分子模型可以描述和回答这个问题,但很少有宏观层面的描述。在此,物理模型可以作为一个很好的基础,让我们能够更深入地了解 K+ 离子的离子传输。经典的物理能量、线性和角动量定律可以很好地解释 K+ 离子在通过离子传导途径时是如何以及发生了什么。该模型描述了离子在进入离子传导通路之前直至最后一个离子离开时的经过。这里描述的模拟令人着迷,它描绘了最远端的离子以与最初第一个离子几乎相同的速度释放的状态,而所有其他离子几乎保持静止。这是如何发生的呢?如果我们改变离子的大小或质量,又会发生什么呢?在这项工作中,我将介绍这一原理以及可以研究的相关问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Neurochemistry international
Neurochemistry international 医学-神经科学
CiteScore
8.40
自引率
2.40%
发文量
128
审稿时长
37 days
期刊介绍: Neurochemistry International is devoted to the rapid publication of outstanding original articles and timely reviews in neurochemistry. Manuscripts on a broad range of topics will be considered, including molecular and cellular neurochemistry, neuropharmacology and genetic aspects of CNS function, neuroimmunology, metabolism as well as the neurochemistry of neurological and psychiatric disorders of the CNS.
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