This protocol presents a method to use inline radical dosimetry and a plasma light source to perform flash oxidation protein footprinting. This method replaces the hazardous UV laser to simplify and improve the reproducibility of fast photochemical oxidation of protein studies.
Weinberger, S. R., Chea, E. E., Sharp, J. S., Misra, S. K. Laser-free Hydroxyl Radical Protein Footprinting to Perform Higher Order Structural Analysis of Proteins. J. Vis. Exp. (172), e61861, doi:10.3791/61861 (2021).