4EMQ:
reference: Structural basis for the influence of a single mutation K145N on the oligomerization and photoswitching rate of Dronpa., Nguyen Bich N, Moeyaert B, Van Hecke K, Dedecker P, Mizuno H, Hofkens J, Van Meervelt L, Acta Crystallogr D Biol Crystallogr. 2012 Dec;68(Pt 12):1653-9. doi:, 10.1107/S0907444912039686. Epub 2012 Nov 9. PMID: 23151630

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