This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hepatitis, Subject name: Pathology
Which of the following is not a feature of autoimmune hepatitis? 
Select and explain. 
A. Anti-SMA antibodies, B. Anti-LKM1 anitbodies, C. Anti-mitochondrial antibodies, D. Anti-Sm antigen antibodies
D: Anti-Sm antigen antibodies
Answer: D: Anti-Sm antigen antibodies 
Explanation: Anti-Sm antigen antibodies are found in SLE. Autoantibodies found in Type 1 autoimmune hepatitis: Antinuclear antibodies (ANAs) Anti-smooth muscle actin (SMA) antibodies Antibodies against soluble liver antigen/liver-pancreas antigen (SLA/LPA) Anti-mitochondrial antibodies (AMA, more typical of primary biliary cholangitis) Autoantibodies found in Type 2 autoimmune hepatitis: Anti-liver kidney microsome-1 (LKM-1) antibodies, which are directed against CYP2D6 Anti-liver cytosol-1 (ACL-1) antibodies