Lamin B

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** A family of class V intermediate filaments that interact with nuclear membrane-associated proteins to form the nuclear lamina. This family of lamins has two members (Lamin-B1 and -B2), are present in all cells and play a role in the disintegration and reformation of the nuclear envelop during mitosis.

**Synonyms:** - B-Type Lamin - B-Type Lamins - Lamin-B