Your Outsourcing Partner for Protein Research and Production Services

To meet the needs of our clients, Exon BioSystems provides protein characterization of our expressed protein to insure the quality of recombinant protein.

Recombinant Protein Expression

Exon BioSystems is a protein contract research and production services company specializing in recombinant protein expression, protein purification, and protein characterization.

Antibody Engineering

Additional areas of expertise include assay development of G-protein coupled receptor, recombinant vaccine development and recombinant antibody production.

Biologics

Exon BioSystems is a protein contract research and production services company specializing in recombinant protein expression, protein purification, and protein characterization.

Tags

Commonly Used Tags


Tag Size Type Comments
His-tag 6, 8, or 10 aa Purification Both native or denature purification.
GST 26 kD Purification Native purification. Increase solubility.
Maltose binding Protein 40 kD Purification and secretion Amylose affinity purification
Strep II 8 aa Purification
FLAG 8 aa Purification and detection Antibody purification, expensive.
Protein A 14 kD Purification Methotrexate-agrose purification.
DHFR 25 kD Purification Methotrexate-agrose purification.
Cellulose binding Domain 107 aa Purification and secretion Cellulose based resin for affinity purification.
Calmodulin binding protein 4 kD Purification and detection Calmodulin/Ca2+ affinity purification.
HA 8 aa Purification and detection Antibody purification, expensive.
c-myc 22 aa purification antibody purification, expensive.
NusA 55 kD Enhance solubility Potentially improve solubility.
Ubiquitin 76 kD Enhance solubility Potentially improve solubility
GFP 25 kD Detection Used as a report gene.
HSV 11 aa Purification monoclonal antibody-based purification, denaturing low pH elution needed.
For more information please call _858-457-1920 or e-mail us at: info @ exonbio.com, or use our contact page: Contact