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Article

A novel violet fluorescent protein contains a unique oxidized tyrosine as the simplest chromophore ever reported in fluorescent proteins.

Protein science : a publication of the Protein Society - 1 Mar 2022

Roldán-Salgado Abigail, Muslinkina Liya, Pletnev Sergei, Pletneva Nadya, Pletnev Vladimir, Gaytán Paul

Abstract excerpt

We describe an engineered violet fluorescent protein from the lancelet Branchiostoma floridae (bfVFP). This is the first example of a GFP-like fluorescent protein with a stable fluorescent chromophore lacking an imidazolinone ring; instead, it consists of oxidized tyrosine 68 flanked by glycine 67 and alanine 69. bfVFP contains the simplest chromophore reported in fluorescent proteins and was generated from the...

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PMID: 34936154
DOI: 10.1002/pro.4265
PMCID: PMC8862416

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