| abstract |
The present invention relates to binding molecules having a pentameric or hexameric ring structure, such as, for example, separated IgM antibodies having 5 or 6 bidentate binding units, and methods and means for making and using them. The present invention further provides, for example, multispecific binding molecules having a pentameric or hexameric ring structure, such as a separate IgM antibody having 5 or 6 bidentate binding units, and methods for making and using the same, and ≪ / RTI > |