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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.

Additional resources

Chromophore of an Enhanced Green Fluorescent Protein Can Play a Photoprotective Role Due to Photobleaching

Fluorescent Proteins

Purified Rabbit Anti-GFP Antibody *Polyclonal*