Immunogen sequence: AEGKENSRIE RTADQHPQAR DSSGADQHPD SAPRQGLQVL THPEPPLPQG PYTEGVLGRR VPVPGSTSGG RGSEIFVCP. IA-6, also known as insulinoma-associated 2 or INSM2, is related to IA-1 (INSM1), a zinc-finger factor that is expressed in the developing nervous