Recombinant Proteins

RayBiotech’s recombinant protein products can be applied in various techniques to understand how proteins regulate cellular phenotype. Our extensive recombinant protein product selection includes proteins with diverse tags, expression hosts, & sizes.

Learn how recombinant proteins are made, their advantages, and their applications in research from our blog post Recombinant Proteins in Research.

Recombinant S. aureus PBP2a

SDS-PAGE image of one of the most popular RayBiotech recombinant protein products.

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Recombinant Proteins


  • Protein expression can be ascertained easily by way of a universal tag
  • Cheaper than native proteins
  • Approval by an Institutional Review Board (IRB) is NOT required
  • Proteins that are not properly folded or active can still be used in certain applications.

Research Applications

  • Antibody & aptamer development
  • Western blot controls
  • ELISA standards
  • Protein interactions
  • Protein structure
  • Cell culture experiments
  • Antibody profiling
  • Cell Lysis Buffer (for cell/tissue lysate kits only)