GFP is composed of a barrel of beta sheets and a light-emitting chromophore within. By teaming up with aequorin (which glows blue), GFP produces the eery green light that jellyfish are known for. GFP has found many uses, from fluorescent microscopy to those creepy glow-in-the-dark cats.
All those weeks we sat in class talking about how we would make our proteins… and there I was, thinking I had a good idea of how mine would work out. Wrong! While making the protein I encountered a lot of unexpected problems, not the least of which was the fact that paint did not [...]