Crenezumab (Genetical Recombination)



Crenezumab is a recombinant humanized monoclonal antibody composed of complementarity-determining regions derived from mouse anti-human amyloid beta peptide antibody, human framework regions and human IgG4 constant regions, whose amino acid residue at position 220 is substituted by Pro, and C-terminal Lys is deleted in the H-chain.Crenezumab is produced in Chinese hamster ovary cells. Crenezumab is a glycoprotein (molecular weight: ca. 146,000) composed of 2 H-chains (γ4-chains) consisting of 438 amino acid residues each and 2 L-chains (κ-chains) consisting of 219 amino acid residues each.

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