’Impossible’ nano-sized protein cages made with the help of gold

A snub-cube-like protein cage with each TRAP ring a different color and gold ato

A snub-cube-like protein cage with each TRAP ring a different color and gold atoms shown as yellow spheres Credit: Heddle lab

A collaborative effort between the University of Oxford and the Malopolska Centre of Biotechnology, Jagiellonian University in Poland, has produced a super-stable artificial protein ball that apparently defies the rules of geometry and which may have applications in materials science and medicine.