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Methods for producing polypeptide binding sites, monoclonal antibodies and compositions thereof

a monoclonal antibody and polypeptide technology, applied in the field of protein biochemistry and immunology, to achieve the effects of increasing antibody binding specificity, reducing the specificity of ligands, and reducing the specificity of receptors

Inactive Publication Date: 2006-06-08
THE SCRIPPS RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0035] A major advantage of the methods of the invention derives from the fact that new binding specificities can be rapidly developed for use in a variety of ways, including the development of ligands with altered specificity for receptor, receptors with altered specificity for ligand, altered and / or increased antibody binding specificity, and new proteins or polypeptides that can bind oligosaccharides, nucleic acids, and the like.

Problems solved by technology

Typically, the mutagenesis is site-directed, and therefore laborious depending on the systematic choice of mutation to induce in the protein.

Method used

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  • Methods for producing polypeptide binding sites, monoclonal antibodies and compositions thereof
  • Methods for producing polypeptide binding sites, monoclonal antibodies and compositions thereof
  • Methods for producing polypeptide binding sites, monoclonal antibodies and compositions thereof

Examples

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examples

[0313] The following examples relating to this invention are illustrative and should not, of course, be construed as specifically limiting the invention. Moreover, such variations of the invention, now known or later developed, which would be within the purview of one skilled in the art are to be considered to fall within the scope of the present invention hereinafter claimed.

1. Preparation of Synthetic Binding Sites Within the Heavy Chain CDR3 Domain of a Phagemid Fab Display Protein Produced by a Dicistronic Expression Vector

[0314] A. Preparation of Nucleotide Sequences for Encoding Synthetic Binding Sites Containing the Peptide, Arginine-Glycine-Aspartic Acid (RGD)

[0315] The immunoglobulin gene phagemid expression vector, pMT12, containing the heavy and light chain sequences for expressing the soluble form of an antibody was used to prepare the synthetic binding site proteins containing the peptides, arginine-glycine-aspartic acid (RGD), of this invention as described below i...

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Abstract

The present invention describes methods for producing binding sites on polypeptides, and particularly for producing binding sites within the CDR regions of immunoglobulin heavy or light chains that are displayed on the surface of filamentous phage particles. The invention also describes oligonucleotides useful for preparing the binding sites, and human monoclonal antibodies produced by the present methods.

Description

CROSS REFERENCE TO RELATED APPLICATIONS [0001] This application is a divisional of application Ser. No. 08 / 495,606, filed Aug. 21, 1995, pending, which is a U.S. National Phase application based on International application Ser. No. PCT / US94 / 01258 filed Feb. 2, 1994, which is a continuation-in-part of U.S. patent application Ser. No. 08 / 084,542, filed Jun. 28, 1993, now abandoned, which is a continuation-in-part of U.S. patent application Ser. No. 08 / 012,566, filed Feb. 2, 1993, now abandoned.TECHNICAL FIELD [0002] The present invention relates generally to the field of protein biochemistry and immunology, and relates specifically to methods for producing polypeptide binding sites specific for preselected targets. BACKGROUND [0003] Protein interactions with other molecules is basic to biochemistry. Protein interactions include receptor-ligand interactions, antibody-antigen interactions, cell-cell contact and pathogen interactions with target tissues. Protein interactions can involve...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C12P21/06C07H21/04C07K16/28C07H21/00C07K16/00C07K16/40C12N15/10C40B40/02
CPCC07H21/00C07K16/00C07K16/005C07K16/18C07K16/2848C07K16/40C07K2317/21C07K2317/55C07K2317/565C07K2318/10C12N15/1037C40B40/02
Inventor BARBAS, CARLOSLERNER, RICHARD
Owner THE SCRIPPS RES INST
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