 Like the components of other intermediate filaments , the lamin <unk> contains an alpha @-@ helical domain used by two monomers to coil around each other , forming a dimer structure called a coiled coil . Two of these dimer structures then join side by side , in an <unk> arrangement , to form a <unk> called a <unk> . Eight of these <unk> form a lateral arrangement that is twisted to form a <unk> filament . These filaments can be assembled or <unk> in a dynamic manner , meaning that changes in the length of the filament depend on the competing rates of filament addition and removal . 
