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| PR:000050304 | IgG4 heavy chain protein, membrane-bound isoform (human) | | |  | | |
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| PR:000050300 | IgG4 heavy chain protein, secretory isoform (human) | | |  | | |
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| PR:000050304 | IgG4 heavy chain protein, membrane-bound isoform (human) | | |  | | |
 |  |  |  |  |  |  |
    |
| PR:000050300 | IgG4 heavy chain protein, secretory isoform (human) | | |  | | |