What is GFP chromophore? | AAT Bioquest

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What is GFP chromophore?

Posted July 9, 2024

Antibodies and Proteomics Chemical Reagents Antibody and Protein Labeling Fluorescence Green Fluorescence Physiological Probes

Answer

The GFP chromophore is the specific chemical structure within the Green Fluorescent Protein (GFP) molecule that is responsible for its green fluorescence. It can either be in either its protonated (neutral) or deprotonated (anionic) form. The GFP chromophore is a structure known as p-hydroxybenzylidene-imidazolidone.

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