Actin filaments are dynamic protein-fibers in the cell built from single actin proteins. Many cellular functions, including cell movement, are regulated by constant filament assembly and disassembly. The disassembly phase is initiated by the release of a phosphate group from inside the filament, but the details of this process have puzzled scientists for decades.
Click here for original story, Scientists reveal how phosphate escapes from actin filaments
Source: Phys.org