Exit
Classes of
Immunoglobulins
Class Units Serum Fixes When
% C’ Synthesized
IgM Pentamer 5 - 10 + 1st
IgG Monomer 70
- 80 + 2nd
IgA Mono, Di, Tri
10 - 15 - 3rd
SIgA Dimer 0
IgD Monomer 0 - 1
IgE Monomer 0.002