Highly diverse antibody (Fab or scFv) libraries have become vital sources to select antibodies with high affinity and novel properties. Combinatorial strategies provide efficient ways of creating antibody libraries containing a large number of individual clones. These strategies include the reassembly of naturally occurring genes encoding the heavy and light chains from either immune or nonimmune B-cell sources, or introduction of synthetic diversity to either the framework regions (FRs) or the complementarity-determining regions (CDRs) of the variable domains of antibodies. In the late 1980s, the smallest known antigen-binding fragment was identified when a murine VH repertoire was screened for binding to lysozyme. This fragment (approximately 15 kDa), called a "domain antibody", or "dAb", is approximately four times smaller than a Fab and half the size of a scFv. Here, we describe the construction of a phage-displayed VH library and an approach to introduce genetic diversity in this library, where both diverse human CDRs and synthetic CDRs are combined into a single-domain (VH) framework.
CITATION STYLE
Chen, W., Zhu, Z., Xiao, X., & Dimitrov, D. S. (2009). Construction of a human antibody domain (VH) library. Methods in Molecular Biology (Clifton, N.J.), 525. https://doi.org/10.1007/978-1-59745-554-1_4
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