The other patients had Kabuki syndrome, Di-George Syndrome, autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APCED), complement C5 deficiency, hyper IgE syndrome, Wiskott-Aldrich, Good syndrome, activated PI3K Delta Syndrome and a homozygous IFN gamma R1 mutation (Table 1, Figure 3). The gene discussed is C5; the disease is hyperinsulinemic hypoglycemia, familial, 4.