3M24:
reference: Structural characterization of acylimine-containing blue and red chromophores in mTagBFP and TagRFP fluorescent proteins., Subach OM, Malashkevich VN, Zencheck WD, Morozova KS, Piatkevich KD, Almo SC, Verkhusha VV, Chem Biol. 2010 Apr 23;17(4):333-41. PMID: 20416505

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