ELI5: Explain Like I'm 5

Protein engineering

Protein engineering is like playing with the building blocks of life to make new and exciting things!

Proteins are molecules that our bodies use to do many important jobs, like digesting food, carrying oxygen in our blood, and even fighting off diseases. But sometimes, our bodies don't make the right proteins for the job we need them to do.

That's where protein engineering comes in. Scientists can change the "recipe" for proteins by adding, removing, or swapping out different parts. They might even make completely new proteins from scratch!

Think of it like making a cake. If we want a chocolate cake, we have to follow a recipe that tells us exactly what ingredients to use and how much of each. But what if we wanted a cake with coconut instead of chocolate? We could change the recipe by adding coconut flakes and removing the chocolate. Protein engineering works the same way - scientists can change the recipe for proteins to make them do different things or work better in certain situations.

This can be really helpful in medicine, for example. Scientists might engineer a protein that can specifically target cancer cells and destroy them, while leaving healthy cells alone. Or they might create a protein that can block the virus that causes COVID-19 from entering our cells.

Overall, protein engineering is a way for scientists to use their creativity and knowledge to make new molecules that can solve important problems and improve our lives.