Multivalent and multispecific binding proteins, their...

Details Multivalent and multispecific binding proteins, their... Multivalent and multispecific binding proteins, their...

2006-10-17

2006-10-17

Helms, Larry R. (Department: 1643)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

C435S069600, C435S320100, C435S252100

Reexamination Certificate

active

07122646

ABSTRACT:
Polypeptides comprising a first domain, which comprises a binding region of an immunoglobulin heavy chain variable region, and a second domain, which comprises a binding region of an immunoglobulin light chain variable region, the domains being linked but incapable of associating with each other to form an antigen binding site, associate to form antigen binding multimers, such as dimers, which may be multivalent or have multispecificity. The domains may be linked by a short peptide linker or may be joined directly together. Bispecific dimers may have longer linkers. Methods of preparation of the polypeptides and multimers and diverse repertoires thereof, and their display on the surface of bacteriophage for easy selection of binders of interest, are disclosed, along with many utilities.

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