Smith Antigen

**Semantic type:** Amino Acid, Peptide, or Protein|Immunologic Factor

**Definition:** Antigen(s) of the extractable nuclear RNA-binding proteins that may be comprised of (but not limited to) Smith B, B', N, D1, D2, D3, E, F and G. They are commonly associated with the autoimmune disease systemic lupus erythematosus.

**Synonyms:** - SMITH ANTIGENS - Smith Autoantigens - Smith Autoantigens