KACTUS is an innovative manufacturer of high-quality recombinant proteins and enzymes for drug discovery, gene editing, cell therapy, and RNA production. Powered by their proprietary SAMS™ platform, KACTUS specializes in difficult targets like VLP/Nanodisc-displayed transmembrane proteins and MHC complexes. Offering 4,000+ validated catalog products, custom expression services, and cGMP-grade enzymes (including the premier AccuBase® Base Editor), KACTUS provides next-day shipping from Boston, MA.