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. 2011 May 27;6(5):e20505. doi: 10.1371/journal.pone.0020505

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Shui et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Spectra were normalized to the 280 nm absorption for each protein. A. Absorption spectra of mCherry and cp-mCherry variants. B. Absorption spectra of mKate and cp-mKate variants.