Skip to main content
. 2010 May-Jun;2(3):320–334. doi: 10.4161/mabs.2.3.11802

Figure 1.

Figure 1

Glycosylation of human IgA. IgA1 has N-linked carbohydrate addition sites in CH2 (Asn263) and in CH3 (Asn459) and o-linked carbohydrate in its hinge region. IgA2 lacks linked carbohydrates, but has additional N-linked sites in CH1 (Asn166) and in CH2 (Asn337). the IgA2m2 and the IgA2n allotypes have a fifth N-linked site in CH1 (Asn211). ▪, N-linked glycan; O, O-linked glycan.