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Recombinant Protein

EUPROTEIN has over 20 years of experience in recombinant protein research and development. Over the years our team has generated recombinant proteins covering most hot research areas such as immune checkpoints, antibody drug targets, CAR-T cell therapy targets, Fc receptors, influenza viral proteins and cytokines.

With superior quality in high purity, low endotoxin and validated bioactivity, EUPROTEIN recombinant proteins can support your scientific research from biopharmaceutical target discovery, protein structure and function analysis, cell therapy and recombinant enzyme characterization.

Browse All Protein Products

Advanced Technology Platforms

  • Expressed in both Human cells and E. coli system for production
  • Proteins from multiple species to support animal models and drug development
  • Milligram-to-gram level protein production

Strict Quality Control

  • High quality raw materials to ensure animal-free production
  • High stability to ensure reproducible experimentation
  • Bio-activity confirmation and analysis
  • State-of-the-art analytical equipment ensures validated bioactivity
  • N-terminal amino acid sequence analysis capabilities

Premium Recombinant Protein

  • Validated bioactivity
  • Confirmation of high purity: > 95% by SDS-PAGE or HPLC
  • Confirmation of low endotoxin levels: < 0.1 EU per μg by LAL
  • Carrier-Free: Dissolved in PBS, without BSA

We've been working with our clients to deliver top-quality, high-purity recombinant proteins over the years. Browse the list of featured Protein Products that we're particularly proud of.


Proteins by functions/pathways


Custom Protein Services

Recombinant Protein Production Service Description

We offer one-stop services for recombinant protein production using our advanced protein expression platform technologies. Our full services include protein gene synthesis, protein codon optimization, protein expression vector design, large scale cell culture and fermentation, protein purification and protein quality control testing. We offer significant cost saving advantages and record speed in protein expression and bulk production. We also have extensive experience and expertise in the design and execution of various types of recombinant protein purification projects, with or without purification tags.

EUPROTEIN has in-house capacity to support recombinant protein development and bulk production projects. We have the ability to perform rapid protein expression and purification process development and conduct process scaleup studies as needed. We can meet protein production requirements for both high-throughput and large-scale bulk production requirements. This capability helps our customers worldwide to accelerate their basic research, structural biology studies, product discovery initiatives and product development timelines.

We are committed to serve the life science community and biotech industry worldwide for recombinant protein and monoclonal antibody bulk production. We strive to change the way the life science research industry are generating and sourcing their proteins.

Read more about our custom protein services.

SARS-CoV-2 Protein

EUPROTEIN has developed new products of the SARS-CoV-2 (2019-nCoVs) and the associated cellular receptor protein products


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