Recombinant Proteins - 19,000+ Full-length human proteins

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

Why choose OriGene recombinant proteins?

• The broadest coverage – Over 19,000 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.

Protein Applications

• 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

» Search Your Recombinant Human Protein (browse all)

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.

Learn more about our
Custom Protein Service

Customer Review

"We are very happy with the HSD17B13 protein from OriGene and found great quality for our internal quality control. We've been very happy with your customer service as well and appreciated when there was a labeling mishap on one of the proteins OriGene promptly provided a new corrected protein sample."

~Scientist from a pharmaceutical company

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Protein Expression System Comparison

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