Protein & Peptide Solutions

Vector Illustration of Amino acids structure, peptides and proteins molecular model

Proteins are the central mediators of biological function. Proper expression and precise modification can reveal molecular mechanisms, enhance the activity of drug candidates, and serve as components for diagnostic reagents or vaccine carriers. Creative Diagnostics covers endotoxin-free protein production, transmembrane protein expression, enzyme process development, and diverse peptide modification, delivering full-spectrum support from expression optimization to functional validation.

Our Services

Leveraging a mature protein production, purification, and analytical platform, we provide flexible, project-based protein and peptide services to meet varied research and development needs. We offer:

Why Choose Us

  • Endotoxin Control: Dedicated production lines and strict monitoring ensure all protein products have endotoxin levels below 0.1 EU/µg.
  • Transmembrane Expertise: Optimized protocols preserve native conformation and function of membrane proteins.
  • Enzyme Development: Combining directed evolution with data-driven screening achieves balanced improvements in activity and stability.
  • Peptide Modification: A range of chemical and enzyme-catalyzed strategies for PEGylation, fluorescent labeling, disulfide crosslinking, and more.
  • Quality Assurance: Provide multidimensional analysis reports (SEC, SDS-PAGE, mass spectrometry).
  • Flexible Customization: Production, purification, and functional assays tailored to project requirements for optimal cost-effectiveness.

Service Tips

  • Provide your target protein or peptide sequence along with any known activity or structural information early to optimize design.
  • Allow additional optimization time for transmembrane proteins and enzymes to balance conformation and activity.
  • Specify any special tags (e.g., His, FLAG) or combined modifications at project initiation.

Service Workflow

Inquiry

Inquiry

Quote

Quote

Contract & signing

Contract & signing

Sample delivery

Sample delivery

After-sales service

After-sales service

Return result

Return result

Form a report

Form a report

Testing & analysis

Testing & analysis

Contact us today to advance your protein research and biotherapeutic development!

The service is for research only, not for clinical use.
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