Final answer:
Lamin is a member of the Intermediate filament superfamily. Intermediate filaments are structural proteins that form the nuclear lamina.
Step-by-step explanation:
Lamin is a member of the Intermediate filament superfamily of polypeptides. Intermediate filaments are structural proteins that form the nuclear lamina and play a role in resisting cellular tension. Lamin is specifically a type of intermediate filament that makes up structural elements of the nuclear lamina, which is a kind of nucleoskeleton.