Proteins / Signaling Molecules
We offer native and recombinant proteins expressed and purified from bacterial, insect, and mammalian expression systems.
Antibodies | Proteins | ELISA | Cytokines | Small Molecules | Cell lines | Exosome isolation kits | Protein Expression & Custom Antibody Services
Cusabio is a national high-tech enterprise with research, production and sales in one. After 14 years of effort, Cusabio has become a good partner to researchers through worldwide. They are dedicated to providing 60,000+ validated antibodies, 8,000+ recombinant proteins, 660+ cytokines and thousands of ELISA kits to global customers in the research fields of cancer, cell biology, immunology, neuroscience, epigenetics, etc. Their products can meet the different demands of customers in various scientific research fields.
Bio-Connect supplies all their products in the Benelux. If you have any questions, please contact the helpdesk.


CUSABIO offers a broad portfolio of custom products and services spanning antibodies, proteins, nucleic acids, and immunoassays. Their custom capabilities include recombinant protein expression in multiple systems (E. coli, yeast, mammalian, insect) and custom antibody generation in polyclonal, monoclonal, recombinant, humanized, and anti idiotype formats. CUSABIO also offers peptide, gene, and oligo synthesis to support target validation, biomarker research, and assay development.
In addition, CUSABIO provides custom ELISA solutions such as custom antibody pairs and ELISA kit customization for defined targets, species, and sample types, as well as phage display–based discovery and optimization services for therapeutic and high affinity antibodies.
Through Bio Connect, customers in the Benelux can access CUSABIO’s custom proteins, antibodies, nucleic acid reagents, and ELISA solutions with local scientific and logistical support. Our team helps define your specifications, coordinates the custom development and production workflows with CUSABIO, and ensures reliable delivery of high quality, project specific reagents tailored to your research and assay development needs.
We gladly support you by keeping you updated on our latest products and developments