Recombinant Human Proteins | TrueORF Human cDNA Clones | Full-length Human Proteins

Powered by extensive collection of TrueORF human cDNA clones, OriGene offers full-length human proteins expressed in HEK293 cells and other systems.

Key features

  • The broadest coverage – Over 10,000 full-length human proteins produced in human cells. Check out all of our "MVPro" proteins.
  • High quality - Optimal preservation of protein structure, post-translational modifications and functions.
  • Diverse product formats – Purified proteins, over-expression lysates and heavy labeled proteins.
  • Custom protein and large scale production available.


  • Native antigens for optimized antibody production
  • Positive controls in ELISA and other antibody assays
  • Protein-protein interaction
  • In vitro biochemical assays and cell-based functional assays
  • Heavy labeled protein as SRM/MRM standards

View Slide Presentation

Comparison of different protein expression systems

  Mammalian Yeast Insect cells E. coli
Protein folding and purification Optimal Poor Low Poor
Post-translational processing Yes Low Low No
Authenticity & Bioactivity Native and Active Poor Poor Very Poor
OriGene MVPro Logo proteinImg

Custom Protein Service

In addition to full length proteins expressed in human HEK293 cells, OriGene offers custom protein expression and purification service to your specific needs, including protein domains, different expression tags, expression host, etc. Please use this custom protein service request form