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Phage Display HuFabL-4 Human Antibody Library Screening Service

Basic Information Features Library Screening Cases Related Libraries Why Work with Us?

The HuFabL-4 Human Fab Antibody Library is an advanced tool designed for effective and high-quality antibody screening. Utilizing cutting-edge phagemid phage display technology, this library offers a diverse array of human Fab antibody fragments derived from non-immunized naïve donors. Ideal for a variety of antibody discovery projects, the HuFabL-4 library enables researchers to efficiently identify high-quality antibody candidates, offering an accessible and scalable approach to target identification.

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Basic Library Information

Species Human Library ID HuFabL-4
Display Technology pIII-fusion, Phagemid phage display system Library Format Fab format
Vector System Psd Tags 6×His and HA
Library Capacity 1.9×1010 Library Source Human antibody genes from 100+ naïve donors
Host Strain TG1 cells for proliferation
HB2151 cells for antibody production
Helper Phage M13KO7

Why Choose the HuFabL-4 Library?

The HuFabL-4 library demonstrates excellent performance in antibody screening through its consistently high success rates with protein targets and complex cell-based along with non-traditional targets. Our team could obtain functional high-affinity antibodies that maintain effectiveness against difficult targets and accelerate research progress with dependable results.

Tailored to meet your unique research needs, the HuFabL-4 library supports a wide variety of screening applications, including cell-based targets, peptides, small molecules, toxins, and more. Whether you're working with complex disease targets or novel biomolecules, we provide flexible solutions to ensure the success of your project.

More than 100 diverse human antibody donors provide the source material for the HuFabL-4 library which contains a comprehensive genetic pool of naïve human antibody genes. The extensive diversity enables better identification of optimal antibodies for your target which improves the probability of finding high-quality functional antibodies.

With a large capacity, the HuFabL-4 library supports both small- and large-scale screening without sacrificing the quality or accuracy of your results, allowing you to scale your project as needed with confidence.

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High-Efficiency Screening for Precision Research

Available Screening Service Types

Our HuFabL-4 library supports a wide array of screening services for different types of targets. We specialize in the following applications, providing you with the precise antibody solutions you need:

Our Screening Process - Simple and Efficient

Submit Your Target

We need details about your target and any special needs you may have for your project objectives.

Screening Process

Using our HuFabL-4 library, we perform antibody screening via the phage display system, ensuring rapid identification of high-affinity antibodies specific to your target.

Results Delivery

After screening, we provide a detailed report that includes the best candidate antibody sequences along with data on their binding affinity and specificity.

Ongoing Support

Our team stands ready to provide assistance with any questions or analysis needs during the project to ensure your experience remains smooth and successful.

Please note that we offer screening-only services and do not provide enriched libraries after multiple rounds of screening. Our focus is on delivering high-quality screening results for your specific target needs.

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Case Studies: Real Results from Our Screening Services

Case: Antibody Screening for Protein with Fc Tag
Starting Materials Target protein T1, Fc tag
Solid-Phase Screening Strategy Pre-counter selection using Fc control
Positive selection for target protein T1
Key Results
Fig 1. Graph depicting the screening results. (Creative Biolabs Original).
Fig 1. Process monitoring of library screening stage.
Fig 2. Graph depicting the phage ELISA results. (Creative Biolabs Original).
Fig 2. Monoclonal phage ELISA of the randomly picked clones.
Fig 3. Summary of DNA sequencing results. (Creative Biolabs Original).
Fig 3. Summary of DNA sequencing results.
Fig 4. Graph depicting the soluble ELISA results. (Creative Biolabs Original).
Fig 4. QC soluble ELISA of the unique binders.
For this case, a solid-phase screening strategy was performed. Enrichment is increased round by round for Target 1 and presents significant difference with Fc coating control. After three rounds of biopanning, some clones were randomly picked for the monoclonal phage ELISA and then processed for DNA sequencing. 3 unique clones were identified and were then prepared as soluble format (phage-free) for the validation of QC soluble ELISA. All of them were finally confirmed to recognize the target positively and did not bind to Fc control protein.

Explore Other Available Premade Human Antibody Libraries

Species Antibody Library ID Display Technology Library Format Library Size Out-licensing
Human HuScL-6 pIII-fusion, Phagemid Phage Display Naïve scFv 2.1×1011 Screening-only
HuScL-7 pIII-fusion, Phagemid Phage Display Naïve scFv 1.1×1010 ✔️
HuScL-3S pIII-fusion, Phagemid Phage Display Semi-synthetic scFv >1.0×1011 Screening-only
HuFabL-4 pIII-fusion, Phagemid Phage Display Naïve Fab 1.9×1010 Screening-only
HuFabL-5 pIII-fusion, Phagemid Phage Display Naïve Fab 1.1×1010 ✔️
HuFabssL-1 pIII-fusion, Phagemid Phage Display Naïve & synthetic Fab 1.8×1010 Screening-only
HuscL-YDP-3 Yeast Display Naïve scFv 1.9×108 ✔️

Why Work with Us?


Expertise You Can Rely On
With a proven track record of success, we specialize in antibody screening and deliver highly accurate, diverse antibody candidates. Our >90% success rate for protein target screening demonstrates our capability to provide you with the best antibodies for your project.

State-of-the-Art Technology
We utilize the latest phagemid phage display technology to perform fast, reliable, and efficient antibody screening, giving you the high-quality results you need, when you need them.

Broad Target Compatibility
No matter your target - whether it's a cell-internalizing antibody, MHC-peptide complex, or blocking antibody - our library has tools and expertise to meet your unique screening needs.

Ready to Get Started?

Contact Us today to discuss your project and receive a tailored quote. We’re here to support your research and help you find the ideal antibody solution for your work.


All listed services and products are For Research Use Only. Do Not use in any diagnostic or therapeutic applications.

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