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A Computational Study of the Mechanism for F1-ATPase Inhibition by the Epsilon Subunit

Indiana University-Purdue University Indianapolis (IUPUI) / The multi-protein complex of F0F1 ATP synthase has been of great interest in the fields of microbiology and biochemistry, due to the ubiquitous use of ATP as a biological energy source. Efforts to better understand this complex have been made
through structural determination of segments based on NMR and crystallographic data. Some experiments have provided useful data, while others have brought up more questions, especially when structures and functions are compared between bacteria
and species with chloroplasts or mitochondria.
The epsilon subunit is thought to play a signi cant role in the regulation of ATP synthesis and hydrolysis, yet the exact pathway is unknown due to the experimental difficulty in obtaining data along the transition pathway. Given starting and end point protein crystal structures, the transition pathway of the epsilon subunit was examined through computer simulation.The purpose of this investigation is to determine the likelihood of one such proposed mechanism for the involvement of the epsilon subunit in ATP regulation in bacterial species such as E. coli.

Identiferoai:union.ndltd.org:IUPUI/oai:scholarworks.iupui.edu:1805/5024
Date January 2013
CreatorsThomson, Karen J.
ContributorsPu, Jingzhi, Ge, Haibo, Sardar, Rajesh, Long, Eric C. (Eric Charles)
Source SetsIndiana University-Purdue University Indianapolis
Languageen_US
Detected LanguageEnglish
TypeThesis

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