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Chemistry

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Theses/Dissertations

2013

Beta lactoglobulin

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Protein Structure And Interactions Studied By Electrospray Mass Spectrometry, Jiangjiang Liu Jan 2013

Protein Structure And Interactions Studied By Electrospray Mass Spectrometry, Jiangjiang Liu

Electronic Thesis and Dissertation Repository

Since the emergence of electrospray ionization (ESI) mass spectrometry (MS) as a tool for protein structural studies, this area has experienced tremendous growth. ESI-MS is highly sensitive, and it allows the analysis of biological systems ranging in size from a few atoms to large multi-protein complexes. This work aims to solve questions in protein structural biology by using ESI-MS in conjunction with other techniques.

We initially apply ESI-MS for studying the monomeric protein cytochrome c (Chapter 2). The physical reasons underlying the irreversible thermal denaturation of this protein remain controversial. By utilizing deconvoluted charge state distributions, oxidative modifications were found …