Corals carefully organize proteins to form rock-hard skeletons

Scientists have shown that coral structures consist of a biomineral containing a highly organized organic mix of proteins that resembles what is in our bones. Their study shows that several proteins are organized spatially - a process that's critical to forming a rock-hard coral skeleton.

from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/04/210408131455.htm