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Fab Fragments Bispecific Antibody (BsAb)

Fab fragments bispecific antibody (BsAb) is one of the most commonly used BsAb derivatives. Taking advantage of our unchallenged experience in recombinant antibody synthesis, Creative Biolabs is committed to providing customer an expected Fab fragments BsAb with high affinity and low immunogenicity for both academic and clinical purposes.


Figure: Diagram of a Fab BsAb structure

Chemical coupling method is one of the most convenient approaches for Fab BsAb synthesis. Creative Biolabs possesses outstanding antibody library, which can effectively screen antibody according to customers’ requirements. Taking advantage of our recombinant protein synthesis platform, Creative Biolabs can express antibody Fabs in high-quality with either prokaryotic or eukaryotic expression system. According to the mechanism of Ellman’s reaction, disulfide bonds are only introduced between heterodimerized chains, which promise an effective outcome of desired bispecific product.

Highlighted by the recombinant antibody synthesis platform, Creative Biolabs is able to provide custom services in Fab Fragments BsAb production through a budget and time-saving working procedure.

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