True about immunoglobulins -
Of IgE is typically the least abundant isotype--blood serum IgE levels in a normal individual are only 0.05% of the Ig concentration Ref: Ananthanarayan & Panikers textbook of microbiology 9th edition pf:98
IgE has minimum concentration
IgG has minimum concentration
IgA has minimum concentration
IgM has minimum concentration
Immunology