3ZUL: Padron On (Fluorescent) Icis Intermediate State
reference: Low-temperature chromophore isomerization reveals the photoswitching mechanism of the fluorescent protein padron., Regis Faro A, Carpentier P, Jonasson G, Pompidor G, Arcizet D, Demachy I, Bourgeois D, J Am Chem Soc. 2011 Oct 19;133(41):16362-5. Epub 2011 Sep 22. PMID: 21923132

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