Unformatted text preview: prevent that virus from entering its host cell. In contrast, other antibody functions are dependent upon the immunoglobulin class (isotype). These functions are contained within the constant regions of the molecule. For example, only IgG and IgM antibodies have the ability to interact with and initiate the complement cascade. Likewise, only IgG molecules can bind to the surface of macrophages via Fc receptors to promote and enhance phagocytosis. The following table summarizes some immunoglobulin properties....
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- Fall '10
- Microbiology, BASIC IMMUNOGLOBULIN FUNCTION, idiotypic) regions.