Definition of Green fluorescent protein
Green fluorescent protein: Abbreviated GFP. A protein that glows green under fluorescent light. Found naturally in the jellyfish Aequorea victoria, GFP fluoresces green when exposed to blue light. It has a sequence of three amino acids (serine-tyrosine-glycine) which is responsible for its fluorescence.
GFP has been much used in molecular and cell biology research as:
Thus, the fluorescence produced by GFP can serve to reveal where a particular protein is expressed and to monitor protein-protein interactions.
Last Editorial Review: 6/14/2012
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