Custom Protein Services

Celltechgen has produced gold-standard protocols to meet the strictest development and purification of protein products. Our scientists are experienced experts for expressing and purifying some of the most challenging proteins with the highest bioactivities on the market.

Available Services

1. Recombinant protein expression and purification (with typical high purity, high bioactivity, and low endotoxin levels)
2. In vitro protein modification and processing
   • Biotinylation
   • PEGylation
   • Fluorescent probe labeling
   • Incorporation of non-standard chemical labels
3. Point mutations
4. Animal Component-Free Process, Animal-Free™, & GMP-grade