Towards Defining Molecular Determinants Recognized by Adaptive Immunity in Allergic Disease: An Inventory of the Available Data

Table 2

Antibody isotype associated with epitope reactivity.

Antibody isotypes	Number of reactive epitopes
	Overall	Human	Nonhuman
Allergy-specific IgE	2,205	2,135	70
Other antibody reactivity
IgG, unspecified	495	192	303
IgG1	132	0	132
IgG4	72	72	0
IgM	50	32	18
IgG2b	10	0	10
IgA	5	0	5
IgG3	5	2	3
IgG2a	2	0	2
IgG2c	1	0	1