Gelsolin
Protein
Gelsolin is an actin-binding protein that is a key regulator of actin filament assembly and disassembly. Gelsolin is one of the most potent members of the actin-severing gelsolin/villin superfamily, as it severs with nearly 100% efficiency. Wikipedia
Molecular function: metal ion binding; protein binding; actin binding; myosin II binding; calcium ion binding; actin filament binding