Which Antibody Is A Pentamer?
Which Antibody Is A Pentamer? Serum IgM exists as a pentamer in mammals and comprises approximately 10% of normal human serum Ig content. It predominates in primary immune responses to most antigens and is the most efficient complement-fixing immunoglobulin. Which antibody isotype is a pentamer? IgM (Immunoglobulin M) IgM is found mainly in the bloodstream