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. 2007 Jun;148(3):507–514. doi: 10.1111/j.1365-2249.2007.03374.x

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© 2007 British Society for Immunology

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Fig. 2 — The purity of the six immunoglobulin A1 (IgA1) fractions and changes of the size of the IgA heavy chain after deglycosylation. Sodium dodecyl sulphate-polyacrylamide gel electrophoresis showed that the six IgA1 fractions were highly pure and the size of the IgA1 heavy chain was slightly decreased after deglycosylation. Lane 1: native monomeric IgA1 (mIgA1); lane 2: desialylated (deS) mIgA1; lane 3: deS/degalactosylated (deGal) IgA1; lane 4: native polymeric IgA1 (pIgA1); lane 5: deS pIgA1; lane 6: deS/deGal pIgA1.