Fig. 1From: Similar Peptides from Two β Cell Autoantigens, Proinsulin and Glutamic Acid Decarboxylase, Stimulate T Cells of Individuals at Risk for Insulin-Dependent Diabetes Region of similarity between proinsulin and GAD Similarities are boxed; identities within boxes are shaded. The C terminus of the insulin B chain and the cleavage site of the proinsulin convertase are indicated by the vertical line and arrow, respectively.Back to article page