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ProteoGenix can adapt to each of your projects to achieve your
goals in the shortest possible time:
Overcome immunogenicity issues
Of a target
Short turnaround time
Example: 3-4 months from a naive library panning VS 9 months for standard hybridoma technology to get a purified recombinant antibody sample!
As phage display from naive libraries doesn’t require any animal use (unlike for immune library service or hybridoma development method)
Very high diversity of variants tested
We work on huge libraries of up to 1010 variants made of tens of donors and mixes of different strains/ethnic groups for maximized antibody repertoire.
No need for further humanization
Save lots of efforts, time and money thanks to our human naïve libraries, and greatly speed up your way to the clinic!
We have more libraries in scFv format because they are genetically more stable than the Fab format.
But the advantage of the Fab format is that it is possible to select in a more simple way the binders (by avoiding the risk of formation of dimers or trimers).
More libraries of other species may be available upon request.
A screening of the chosen library is carried out by ELISA in order to identify high-affinity binders of the protein of interest. During the interaction between the binders and the protein, binders will remain attached to the well while non-binders will be eliminated by washing.
Binders are eluted and then recovered to infect bacteria (with a helper phage) and increase their quantity. The repetition of this method is called « panning » (or also called « biopanning ») and allows to select the best binders, which are then isolated for validation in ELISA.
At the end, the DNA of the best binders is sequenced thereby allowing to produce them as recombinant proteins. ProteoGenix generally performs 3 to 5 steps of panning to ensure you get the best possible candidates.
All the sequences can be provided to the customer. ProteoGenix guarantees 3 to 10 binders but it is possible to supply more binders according to the requests of our customers. Affinity maturation can then be performed with the best binders if necessary.
For more information or to get a quote for our phage display services with the use of naive libraries, please contact us.
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