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Biomolecules' Conformational Changes Studied by Simulations and Enhanced Sampling
Biomolecules' Conformational Changes Studied by Simulations and Enhanced Sampling
Biomolecules' Conformational Changes Studied by Simulations and Enhanced Sampling

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260209102933
ISBN  
9798263396152
DDC  
540
저자명  
Pang, Yui Tik.
서명/저자  
Biomolecules Conformational Changes Studied by Simulations and Enhanced Sampling
발행사항  
[Sl] : Georgia Institute of Technology, 2023
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2023
형태사항  
139 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-05, Section: B.
주기사항  
Advisor: Gumbart, James C.
학위논문주기  
Thesis (Ph.D.)--Georgia Institute of Technology, 2023.
초록/해제  
요약Biomolecules, ranging from small molecules like vitamins to proteins, play critical roles in sustaining cellular functions. Their functionality is closely tied to their ability to undergo conformational changes in response to environmental conditions or binding events. In drug design, understanding the conformational flexibility of small molecules is crucial. Small molecules can undergo conformational changes that affect their interactions with target proteins. This understanding is vital for predicting drug behavior and interactions in biological systems. Proteins, which are central to various biological processes, have intricate conformational dynamics. They can shift between various conformations to fulfill their functions, from subtle side chain rearrangements to extensive structural changes. Misfolded proteins can lead to diseases, making the study of protein conformational changes critical in both understanding biological processes and developing therapies. Molecular dynamics simulations offer a powerful tool for studying biomolecular dynamics. These simulations allow for precise control and measurement of various aspects of biomolecular systems, providing insights into their structural dynamics. However, some biological processes occur on long timescales, necessitating enhanced sampling techniques to accelerate simulations and capture rare events. In this thesis, we investigated three distinct biomolecular systems: capsid assembly modulator AT130, passenger domain of pertactin, and SARS-CoV-2 spike protein. Employing advanced simulation techniques and enhanced sampling methods, we delved into the intricate behaviors of these biomolecules, each representing a unique aspect of biological complexity. During this exploration, I also updated the open-source parameterization tool, Force Field Toolkit, to accommodate the novel σ-hole particle (LP) introduced in CGenFF 4.0. Our research spanned a range of scales and complexities, showcasing the adaptability and relevance of simulations and enhanced sampling approaches in the study of diverse biological systems.
일반주제명  
Crystal structure
일반주제명  
Energy
일반주제명  
Antibodies
일반주제명  
Hydrogen bonds
일반주제명  
Severe acute respiratory syndrome coronavirus 2
일반주제명  
Nuclear magnetic resonance--NMR
일반주제명  
Medical imaging
일반주제명  
Virology
기타저자  
Georgia Institute of Technology.
기본자료저록  
Dissertations Abstracts International. 87-05B.
전자적 위치 및 접속  
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MARC

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■1001  ▼aPang,  Yui  Tik.
■24510▼aBiomolecules'  Conformational  Changes  Studied  by  Simulations  and  Enhanced  Sampling
■260    ▼a[Sl]▼bGeorgia  Institute  of  Technology▼c2023
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2023
■300    ▼a139  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-05,  Section:  B.
■500    ▼aAdvisor:  Gumbart,  James  C.
■5021  ▼aThesis  (Ph.D.)--Georgia  Institute  of  Technology,  2023.
■520    ▼aBiomolecules,  ranging  from  small  molecules  like  vitamins  to  proteins,  play  critical  roles  in  sustaining  cellular  functions.  Their  functionality  is  closely  tied  to  their  ability  to  undergo  conformational  changes  in  response  to  environmental  conditions  or  binding  events.  In  drug  design,  understanding  the  conformational  flexibility  of  small  molecules  is  crucial.  Small  molecules  can  undergo  conformational  changes  that  affect  their  interactions  with  target  proteins.  This  understanding  is  vital  for  predicting  drug  behavior  and  interactions  in  biological  systems.  Proteins,  which  are  central  to  various  biological  processes,  have  intricate  conformational  dynamics.  They  can  shift  between  various  conformations  to  fulfill  their  functions,  from  subtle  side  chain  rearrangements  to  extensive  structural  changes.  Misfolded  proteins  can  lead  to  diseases,  making  the  study  of  protein  conformational  changes  critical  in  both  understanding  biological  processes  and  developing  therapies.  Molecular  dynamics  simulations  offer  a  powerful  tool  for  studying  biomolecular  dynamics.  These  simulations  allow  for  precise  control  and  measurement  of  various  aspects  of  biomolecular  systems,  providing  insights  into  their  structural  dynamics.  However,  some  biological  processes  occur  on  long  timescales,  necessitating  enhanced  sampling  techniques  to  accelerate  simulations  and  capture  rare  events.  In  this  thesis,  we  investigated  three  distinct  biomolecular  systems:  capsid  assembly  modulator  AT130,  passenger  domain  of  pertactin,  and  SARS-CoV-2  spike  protein.  Employing  advanced  simulation  techniques  and  enhanced  sampling  methods,  we  delved  into  the  intricate  behaviors  of  these  biomolecules,  each  representing  a  unique  aspect  of  biological  complexity.  During  this  exploration,  I  also  updated  the  open-source  parameterization  tool,  Force  Field  Toolkit,  to  accommodate  the  novel  σ-hole  particle  (LP)  introduced  in  CGenFF  4.0.  Our  research  spanned  a  range  of  scales  and  complexities,  showcasing  the  adaptability  and  relevance  of  simulations  and  enhanced  sampling  approaches  in  the  study  of  diverse  biological  systems.
■590    ▼aSchool  code:  0078.
■650  4▼aCrystal  structure
■650  4▼aEnergy
■650  4▼aAntibodies
■650  4▼aHydrogen  bonds
■650  4▼aSevere  acute  respiratory  syndrome  coronavirus  2
■650  4▼aNuclear  magnetic  resonance--NMR
■650  4▼aMedical  imaging
■650  4▼aVirology
■690    ▼a0791
■690    ▼a0574
■690    ▼a0720
■71020▼aGeorgia  Institute  of  Technology.
■7730  ▼tDissertations  Abstracts  International▼g87-05B.
■790    ▼a0078
■791    ▼aPh.D.
■792    ▼a2023
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17366041▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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