Agammaglobulinemia 2, Autosomal Recessive, also known as agammaglobulinemia 2, is related to barth syndrome and agammaglobulinemia, x-linked. An important gene associated with Agammaglobulinemia 2, Autosomal Recessive is IGLL1 (Immunoglobulin Lambda Like Polypeptide 1). Affiliated tissues include b cells and t cells, and related phenotypes are recurrent otitis media and decreased circulating iga level