Collaborative Proposal: CDI-Type I: A multidisciplinary, multiscale approach to discover organizing principles in macromolecular dynamics and functions

合作提案:CDI-I 型:发现大分子动力学和功能中组织原理的多学科、多尺度方法

基本信息

  • 批准号:
    0835824
  • 负责人:
  • 金额:
    $ 27.99万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2008
  • 资助国家:
    美国
  • 起止时间:
    2008-10-01 至 2012-09-30
  • 项目状态:
    已结题

项目摘要

The understanding of cooperative processes in biomolecular systems (such as protein dynamics, folding, and self-assembly) poses outstanding challenges both for theory and experiment. The large number of degrees of freedom involved, and the degree of heterogeneity present, may at a first glance suggest the lack of general principles. As Francis Crick wrote twenty years ago, commenting on macromolecular dynamics, "what seems to physicists a hopelessly complicated process may have been what Nature found simplest". The behavior of a macro-molecular system appears overwhelmingly complicated. Biologically relevant macro-molecular systems are the result of billions of years of evolution, during which details and exceptions have been selected for functional reasons. In spite of the complexity, collective phenomena emerge in macromolecular systems, as for instance in protein folding and self-assembly processes, suggesting the existence of organizing principles that may actually exploit the complexity to obtain simplicity.Is it possible to understand (that is, reproduce, quantify, and predict) how organization emerges from the interactions of the single degrees of freedom in a biomolecular system, over a broad spectrum of length and timescales? Empirical and theoretical evidence supports the idea that for most macromolecular processes only a small portion of the conformational space is visited, and that for medium/long time scales a very small number of parameters are enough to describe the coarse dynamics of a large macromolecular system. Previous work in this direction has not been automatic nor systematic, and has been driven mostly by physical intuition, with little or no guarantee of success.It is the goal of this work to develop and apply a radically different approach, that reconciles biological and biochemical approaches with a physical and mathematical perspective. A key step towards the formulation of the general "rules" that evolution has employed for regulating the behavior of biomolecular processes resides in the mathematically rigorous identification and the physically sound macromolecular process of interest. The methods that will be developed to this end are based on multiscale will be widely applicable to the analysis of the geometry of large high dimensional data sets, across and such data sets.
对生物分子系统(如蛋白质动力学、折叠和自组装)中协同过程的理解对理论和实验都提出了突出的挑战。所涉及的大量自由度和存在的异质性程度,乍一看可能表明缺乏一般原则。正如弗朗西斯·克里克20年前在评论大分子动力学时所写的那样,“在物理学家看来极其复杂的过程,可能正是大自然发现的最简单的过程”。大分子体系的行为显得异常复杂。生物学上相关的大分子系统是数十亿年进化的结果,在此期间,由于功能原因,细节和例外被选择。尽管复杂,但在大分子系统中出现了集体现象,例如在蛋白质折叠和自组装过程中,这表明存在组织原则,实际上可能利用复杂性来获得简单性。(即复制、量化和预测)生物分子系统中单自由度的相互作用如何产生组织,在一个广泛的长度和时间范围内?经验和理论证据支持的想法,大多数大分子的过程中,只有一小部分的构象空间被访问,并为中/长时间尺度的参数是非常少的数量足以描述一个大的大分子系统的粗动力学。以前在这个方向上的工作并不是自动的,也不是系统的,并且主要是由物理直觉驱动的,很少或没有成功的保证。这项工作的目标是开发和应用一种完全不同的方法,将生物学和生物化学方法与物理和数学观点相协调。进化用来调节生物分子过程行为的一般“规则”的形成,关键的一步在于数学上的严格鉴定和物理上的合理的大分子过程。为此,将开发的方法是基于多尺度将广泛适用于大型高维数据集的几何形状的分析,跨和这样的数据集。

项目成果

期刊论文数量(0)
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科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Cecilia Clementi其他文献

Prediction of protein functional states by multi-resolution protein modeling
  • DOI:
    10.1016/j.bpj.2008.12.2990
  • 发表时间:
    2009-02-01
  • 期刊:
  • 影响因子:
  • 作者:
    Cecilia Clementi
  • 通讯作者:
    Cecilia Clementi
Multiscale Modeling of Biomolecular Processes by Combining Experiment and Simulation
  • DOI:
    10.1016/j.bpj.2018.11.226
  • 发表时间:
    2019-02-15
  • 期刊:
  • 影响因子:
  • 作者:
    Cecilia Clementi
  • 通讯作者:
    Cecilia Clementi
Navigating protein landscapes with a machine-learned transferable coarse-grained model
利用机器学习可迁移的粗粒度模型探索蛋白质景观
  • DOI:
    10.1038/s41557-025-01874-0
  • 发表时间:
    2025-07-18
  • 期刊:
  • 影响因子:
    20.200
  • 作者:
    Nicholas E. Charron;Klara Bonneau;Aldo S. Pasos-Trejo;Andrea Guljas;Yaoyi Chen;Félix Musil;Jacopo Venturin;Daria Gusew;Iryna Zaporozhets;Andreas Krämer;Clark Templeton;Atharva Kelkar;Aleksander E. P. Durumeric;Simon Olsson;Adrià Pérez;Maciej Majewski;Brooke E. Husic;Ankit Patel;Gianni De Fabritiis;Frank Noé;Cecilia Clementi
  • 通讯作者:
    Cecilia Clementi
The Molecular Sciences Software Institute
分子科学软件研究所
  • DOI:
    10.6084/m9.figshare.4684231.v1
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    2.2
  • 作者:
    T. Crawford;Cecilia Clementi;Robert J. Harrison;S. Jha;Anna Krylov;Vijay S. Pande;Theresa Windus
  • 通讯作者:
    Theresa Windus
Peering inside the black box: Learning the relevance of many-body functions in Neural Network potentials
窥探黑匣子内部:学习神经网络势中多体功能的相关性
  • DOI:
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Klara Bonneau;Jonas Lederer;Clark Templeton;David Rosenberger;Klaus;Cecilia Clementi
  • 通讯作者:
    Cecilia Clementi

Cecilia Clementi的其他文献

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{{ truncateString('Cecilia Clementi', 18)}}的其他基金

Collaborative Research: Designing and Assessing Effective "Hands-On" Training for Computational Science
协作研究:设计和评估有效的计算科学“实践”培训
  • 批准号:
    1546678
  • 财政年份:
    2015
  • 资助金额:
    $ 27.99万
  • 项目类别:
    Standard Grant
Collaborative Research: The Power of Many: Scalable Compute and Data-Intensive Science on Blue Waters
协作研究:多人的力量:蓝水域的可扩展计算和数据密集型科学
  • 批准号:
    1516284
  • 财政年份:
    2015
  • 资助金额:
    $ 27.99万
  • 项目类别:
    Standard Grant
Collaborative Research: S2I2: Conceptualization of a Center for Biomolecular Simulation
合作研究:S2I2:生物分子模拟中心的概念化
  • 批准号:
    1331519
  • 财政年份:
    2014
  • 资助金额:
    $ 27.99万
  • 项目类别:
    Standard Grant
Collaborative Research: SI2-CHE: ExTASY Extensible Tools for Advanced Sampling and analYsis
合作研究:SI2-CHE:用于高级采样和分析的 ExTASY 可扩展工具
  • 批准号:
    1265929
  • 财政年份:
    2013
  • 资助金额:
    $ 27.99万
  • 项目类别:
    Standard Grant
Multi-resolution framework for the characterization of protein mechanisms
用于表征蛋白质机制的多分辨率框架
  • 批准号:
    1152344
  • 财政年份:
    2012
  • 资助金额:
    $ 27.99万
  • 项目类别:
    Standard Grant
Travel Grant Proposal to establish a US-UK Collaboration on Adaptive Collective Variables
关于建立美英适应性集体变量合作的旅行补助金提案
  • 批准号:
    1147041
  • 财政年份:
    2011
  • 资助金额:
    $ 27.99万
  • 项目类别:
    Standard Grant
CAREER: Holistic Approach to the Study of Protein Mechanisms
职业:蛋白质机制研究的整体方法
  • 批准号:
    0349303
  • 财政年份:
    2004
  • 资助金额:
    $ 27.99万
  • 项目类别:
    Standard Grant

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