Table 3.
Relative binding of human IgG by FcγR expressed on the cell surface.
| Human FcγR | Human IgG Subclass | |||
|---|---|---|---|---|
| IgG1 | IgG2 | IgG3 | IgG4 | |
| FcγRIIA His131 | +++ | ++ | ++++ | – |
| FcγRIIA Arg131 | ++ | ± | ++++ | ± |
| FcγRIIB | + | – | +++ | + |
| FcγRIIC | + | – | +++ | + |
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