Protein Purification - CD BioSciences


Protein Purification

Protein Purification

Recombinant protein expression is a technique of target protein production by recombinant DNA, which is commonly used across diverse areas of life science research, from the analysis of cellular proteins in signaling pathways to high-yield protein production for drug development.

CD BioSciences offers comprehensive services of protein purification, including gene cloning, gene expression, protein extraction, desalting, aliquoting, lyophilization and conjugation.

Protein Purification

Features of  Expression Systems

E.Coli Yeast Insect
Time-efficient ✓✓✓ ✓✓
Low Cost ✓✓✓ ✓✓✓ ✓✓
High Yield ✓✓✓ ✓✓ ✓✓✓
Success Rate ✓✓✓ ✓✓ ✓✓
Intracellular/Secreted Protein ✓✓✓ ✓✓✓
Large Protein ✓✓✓
Folding and Modification ✓✓ ✓✓✓


1. Gene cloning

2. Small-scale expression test

3. Optimization of expression conditions

4. Large-scale expression

5. Protein affinity-purification

6. Desalting, aliquoting, lyophilization

7. Conjugation (optional)

8. Deliver to customers

From gene to protein

CD BioSciences offers one-stop protein purification services in various expression systems, from prokaryotic bacteria to mammalian cells. Our reagents and technology are optimized to achieve the timely delivery of the protein products with superior quality.


CD BioSciences offers cost-effect, high quality and hassle-free protein purification services to our clients worldwide. We guarantee to deliver our products on time. Please feel free to contact us.

For research use only. Not intended for any clinical use.