S4R3C0 [Direct mapping]
Uncharacterized protein

GO:0003823 [antigen binding]
GO:0005515 [protein binding]
GO:0006898 [receptor-mediated endocytosis]
GO:0006910 [phagocytosis, recognition]
GO:0006911 [phagocytosis, engulfment]
GO:0006958 [complement activation, classical pathway]
GO:0009897 [external side of plasma membrane]
GO:0034987 [immunoglobulin receptor binding]
GO:0038095 [Fc-epsilon receptor signaling pathway]
GO:0038096 [Fc-gamma receptor signaling pathway involved in phagocytosis]
GO:0042571 [immunoglobulin complex, circulating]
GO:0042742 [defense response to bacterium]
GO:0045087 [innate immune response]
GO:0050853 [B cell receptor signaling pathway]
GO:0050871 [positive regulation of B cell activation]
GO:0072562 [blood microparticle]