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Ultrafast Protein Dynamics Probed by Site Specific Transient IR Spectroscopy

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Abstract

Ultrafast spectroscopy can measure real-time protein dynamics, but yields limited structural information. Here we use unnatural amino acid substitution to place an IR absorber at specific locations in light activated proteins. Ultrafast pump - transient IR probe spectroscopy then yields unique site-specific data on protein structural dynamics.

© 2020 The Author(s)

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