what is ige
Immunoglobulin E (IgE) is a kind of antibody (or immunoglobulin (Ig)  isotype ) that has only been found in mammals. Monomers of IgE consist of two heavy chains (Îµ chain) and two light chains, with the Îµ chain containing 4 Ig-like constant domains (CÎµ1-CÎµ4).