| 摘要 |
<p>Libraries of immunoglobulins of interest are described, the libraries containing mutated immunoglobulins of interest in which a single predetermined amino acid has been substituted in one or more positions in one or more complementarity-determining regions of the immunoglobulin of interest. The libraries comprise a series of subset libraries, in which the predetermined amino acid is 'walked through' each of the six complementarity-determining regions (CDRs) of the immunoglobulin of interest not only individually but also for each of the possible combinatorial variations of the CDRs, resulting in subset libraries that include mutated immunoglobulins having the predetermined amino acid at one or more positions in each CDR, and collectively having the predetermined amino acid at each position in each CDR. The invention is further drawn to universal libraries containing one such library for each naturally-occurring amino acid as the single predetermined amino acid, totaling twenty libraries; and also to libraries of nucleic acids encoding the described libraries.</p> |
