KACTUS is a biotech company that specializes in providing high-purity, high-activity, recombinant protein and enzyme products for a range of fields including antibody drug discovery, immunotherapy, gene editing, and mRNA therapeutics.

Catalog products include a selection of 2500+ ready-made recombinant proteins includes various targets, species, tags, and labels. We carefully select our catalog based on product quality and unmet needs in the market.

Kactus also specializes in CRO services and large-scale contract manufacturing for protein engineering, expression, and production of custom recombinant proteins. Our recombinant protein production experience along with our proprietary SAMS™ advanced protein engineering platform will ensure your product has the optimal configuration and expression conditions for bioactivity and purity.

What differentiates Kactus is our expertise in protein design and enzymatic studies. Along with our SAMS™ platform, we will help you create a protein configuration that will be functional for your application while also optimizing purity & yield. kactus will develop a tailored expression system by generating 3D models of your protein/enzyme then testing the configurations in various expression systems to optimize protein folding, maximize bioactivity, and enhance stability. We take your protein configuration from bench to large-scale production. Our quality control systems ensure batch-to-batch consistency and our facilities are prepared for consistent high-quantity production.