IgD
& IgE Immunoglobulins
eIgD
UTwo classes:
LIgD
antibodies:
LIgD surface
imunoglobulins
-monomeric form
(one basic unit)
-0.2% of total
immunoglobulins
-act as B-cell
receptors (BCR=s)
-the major
receptors for antigen
eIgE
Umonomeric
form (one basic unit)
Uaccounts for
only 0.004% of total immunoglobulins
U50% of the
IgE is in circulatory system
Uhas an
affinity for binding to Fc receptors of mast cells
Uplays major
role in hypersensitivity reactions
