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Fluorescence emission spectra of wild-type and mutated α1-AT. (A) Tryptophan emission spectra (λex = 295 nm) of wild-type (dotted line), E342K (solid line), E342Q (dashed line), and E342R (shaded line) mutated α1-AT. (B) bis-ANS emission spectra (λex = 390 nm) in the presence of wild-type (dotted line), E342K (solid line), E342Q (dashed line), and E342R (shaded line) -mutated α1-AT.
