5H88:
reference: Brighter Red Fluorescent Proteins by Rational Design of Triple-Decker Motif., Pandelieva AT, Baran MJ, Calderini GF, McCann JL, Tremblay V, Sarvan S, Davey JA, Couture JF, Chica RA, ACS Chem Biol. 2016 Jan 5. PMID: 26697759

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