Direct Immunoprecipitation of Antigen with Phage Displaying Immunoglobulin Fragment

Direct immunoprecipitation of antigen with phage displaying immunoglobulin fragment.

Phage libraries may display hormones, receptors, antibody fragments, etc., by fusion to phage envelope proteins. This report describes the direct precipitation of phage-Fab-antigen complexes by polyethylene glycol precipitation, resulting in highly selective and efficient recovery of antigen from complex mixtures without nonspecific protein contamination. The method demonstrates efficiency and ...

Determination of Superficial Clefts on Fragment of Antigen Binding in Human Immunoglobulin G by Computational Immunology

Background: Immunoglobulins (Igs) are protective glycoproteins specifically identify and eradicate microbes. Fragment of antigen binding (Fab) is a portion of antibody which binds to antigen and consists of one variable and one constant domain of one heavy and one light chain. Idiotypes, epitopes situated on Igs variable region, could be exploited to monitor and target malignant B cells and are...

Direct Immunogenic Antigen to Dendritic Peptides Identified through Phage Display

Peptide-displaying phage technology in glycobiology.

Phage display technology is an emerging drug discovery tool. Using that approach, short peptides that mimic part of a carbohydrate's conformation are selected by screening a peptide-displaying phage library with anti-carbohydrate antibodies. Chemically synthesized peptides with an identified sequence have been used as an alternative ligand to carbohydrate-binding proteins. These peptides repres...

Antigen-antibody reactions Immunoagglutination Immunoprecipitation