KACTUS offers 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™ platform will ensure your product has the optimal configuration and expression conditions for bioactivity and purity.

Custom Protein Production
High-quality, custom design & manufacturing of recombinant proteins
Customize Your Protein:
→ Tag
→ Codon
→ Vector
→ Signal Peptide
→ Novel Protein
→ Assay Development
Structure Optimization
Optimized protein configuration to enhance specificity, sensitivity, and yield.
Purity & Bioactivity
Analyzed for purity and bioactivity to ensure successful application.
Large Batch
Large-scale production batches with batch-to-batch consistency.
GMP-Grade Production
Raw material traceability, certified equipment, quality control, and batch auditing records available for GMP-Grade production.
SAMS™ Protein Engineering Platform
Our proprietary protein engineering platform uses bioinformatics and 3D modeling combined with in vitro expression condition testing to optimize protein configuration.
Quality Control
We offer strict quality control testing on custom proteins including SPR, ELISA, purity, and endotoxin. Let us know the specific quality requirements for your project.
