Comprehensive catalog where versatility meets quality.
Protein Structure Design & Engineering
Rational, thoughtful decisions based on structural analysis are the foundation for our SAMS protein engineering platform. All of our catalog products undergo rigorous design testing to ensure natural protein configurations and optimized activity.
MHC Products & Services
MHC Monomers & Tetramers
150+ catalog products with various alleles, peptides, fluorophores, & tetramers.
Stabilized peptide-free MHCs designed for loading your neoantigen peptides in-house.
Soluble TCR Expression
Custom expression of soluble TCRs and MHC/TCR binding analysis.
Browse Products by Application:
Full-length multi-pass transmembrane proteins for antibody drug discovery and development.
For your clinical and commercial manufacturing.
Immune Checkpoint Proteins
CD47 & SIRP
Transforming Growth Factors
Custom Protein Production
Custom recombinant protein expression with optimized activity and difficult-to-express targets.
Using our SAMS Technology platform, KACTUS specializes in protein engineering and expression optimization tailored for both routine and difficult-to-express proteins. Our diverse range of expression systems includes HEK293, CHO, E. coli, and yeast cells. Customization is at the heart of our service. Whether you require specific tags, fluorescent labels, or biotinylation, we're equipped to cater to your specific experimental needs. Our scientific team will assist you with protein structure optimization specific to your application.
Empowering Novel Drug Development
→ Carefully selected catalog products based on unmet market needs
→ Customization options to meet innovative drug development demands
→ Large and continuously expanding catalog
SAMS™ Protein Engineering Platform
→ Structure Aided Design and Multiplex Screening (SAMS)
→ Optimized protein sequence and 3D structure
→ Expression condition testing specific to each product and cell line
→ Tested for purity and bioactivity
→ Control over endotoxin, host cell protein, & other contaminants
→ Comprehensive suite of analytical equipment including SPR, HPLC, Mass Spec, etc.
Events & News
Since its debut in 2016, base editing technology has opened up new perspectives and methods for drug development with its outstanding precision and...Read more