Based on structures of five mutants of green fluorescent protein (GFP), we describe two conformational variants with differing charge distribution that explain the published absorption and fluorescence spectra of GFP mutants.
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Palm, G., Zdanov, A., Gaitanaris, G. et al. The structural basis for spectral variations in green fluorescent protein. Nat Struct Mol Biol 4, 361–365 (1997). https://doi.org/10.1038/nsb0597-361
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DOI: https://doi.org/10.1038/nsb0597-361
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