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E. James Petersson is a Professor in the Department of Chemistry at the University of Pennsylvania. His research focuses on protein folding and interactions, which are crucial to understanding disease mechanisms within biological systems. His work specifically addresses receptor proteins and the complex signaling interactions involved, such as in Parkinson’s Disease, emphasizing the misfolding of the protein α-synuclein and its toxic conformations. By studying protein dynamics, Petersson aims to uncover fundamental biochemical processes related to protein folding and conformational changes. The Petersson laboratory is committed to developing innovative techniques for investigating how peptides and proteins influence cellular communication and how alterations in these processes can lead to misfolding and disease. His lab utilizes novel chromophores, mutagenesis, and synthetic protein ligation to explore these areas, particularly in collaboration with the Perelman School of Medicine on projects concerning antibiotic resistance and cancer surgery. Moreover, his interests extend to synthetic modifications of peptide backbones to create better therapeutic peptides and imaging reagents.
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