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Maleimide Activated Ova HL

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This is a replacement product for CM52105. 

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Product Sheet



CellMosaic’s maleimide activated chicken egg albumin (ovalbumin) HL is designed for direct conjugation of ovalbumin with proteins, peptides, or other ligands containing free sulfhydryl groups for use in immunization. This product consists of a highly loaded ovalbumin that has been modified with EMCS (N-(Ɛ-maleimidocaproyloxy) succinimide ester) to attach 515 maleimide groups per ovalbumin molecule.

This product replaces previously developed maleimide activated Ova HL (Part No: CM52105) and incorporate a slightly longer linker and more suitable for immunization. The product is also more stable for labeling reactions.


  • Suitable for loading large number of Cys peptides and other hydrophilic thiol antigens onto ovalbumin for antibody production

Key Features of this Maleimide Activated Ova

  • Lyophilized powder and ready for conjugation reaction after reconstitution with water, no need for external buffer
  • High loading with 5−15 average maleimide groups per ovalbumin 

Other Details

Average Loading of Maleimide Groups:

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