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Yeast Display Single Domain Antibody (SdAb) Library Construction Service

Background Services Features

Why Choose Single Domain Antibodies?

Single Domain Antibodies (SdAbs) are rapidly gaining popularity in the field of antibody discovery due to their unique advantages and broad applicability in research, diagnostics, and therapeutics. These small, powerful antibodies offer a range of benefits that make them particularly well-suited for a variety of cutting-edge applications:

Remarkable Specificity

SdAbs provide the same high specificity as conventional antibodies but are significantly smaller, typically around 15 kDa. Their compact size does not compromise their ability to bind with high affinity and specificity to target antigens, making them ideal for applications where precise binding is crucial.

Versatile Applications

SdAbs are highly adaptable and can be used in various fields. They are particularly valuable in protein structural biology, where they are employed to study conformationally dynamic proteins, including G-protein-coupled receptors (GPCRs). Additionally, sdAbs are extensively used in biochemical assays and therapeutic applications, offering unique solutions where traditional antibodies may be less effective.

Simplified Production

The small size and relatively simple structure of sdAbs make them easier to produce, manipulate, and optimize compared to full-sized antibodies. This simplicity translates into cost-effective and high-efficiency production, making sdAbs a more accessible and scalable option for large-scale antibody development.

Fig 1. A graph demonstrating camelids. (Creative Biolabs AI)

Custom Yeast Display SdAb Library Construction

Creative Biolabs offers a comprehensive and cutting-edge service for the construction of single domain antibody (sdAb) libraries, utilizing our advanced yeast display platform. We provide tailored solutions to clients worldwide, enabling the development of high-affinity sdAbs for various research and therapeutic applications. Our process begins by constructing a diverse and extensive library of single domain antibodies, which can be sourced from immunized animals (alpacas or llamas) or generated through in vitro methods. Using our yeast surface display technology, the antibody gene sequences are cloned into proprietary yeast expression vectors, ensuring efficient and high-level surface display of sdAbs. This approach allows for the rapid identification and screening of antibodies with optimal binding affinity and specificity, streamlining the development of customized sdAb-based solutions.

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Advantages of Using Yeast Display Platform for SdAb Discovery


Eukaryotic Expression
Yeast cells provide an optimal environment for expressing eukaryotic proteins, ensuring proper folding and post-translational modifications.

Real-Time Analysis
Our platform's compatibility with FACS allows for real-time analysis and fine discrimination of antibody variants, enhancing the selection process.

Rapid Optimization
Our methods enable quick and cost-effective optimization of sdAbs, avoiding the drift effects seen in phage display.

Get In Touch

By partnering with us, you gain access to a highly specialized and adaptable service for sdAb library construction that can be fine-tuned to your exact specifications. Whether you're working on a novel therapeutic target, optimizing a diagnostic assay, or exploring new biotechnological applications, our yeast display technology is a powerful platform that accelerates antibody discovery while offering robust, high-affinity sdAb candidates. Contact us today to discuss your project needs and discover how our tailored solutions can drive innovation and success in antibody discovery and development.


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

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