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Phage display is also a widely used method for in vitro protein evolution (also called protein engineering). As such, phage display is a useful tool in drug discovery. It is used for finding new ligands (enzyme inhibitors, receptor agonists and antagonists) to target proteins.
Smith first described the technique in 1985 when he displayed peptides on filamentous phage by fusing the peptide of interest onto gene III of filamentous phage. [8] He was awarded the 2018 Nobel Prize in Chemistry for this work, sharing his prize with Greg Winter and Frances Arnold.
Competing methods for protein evolution in vitro are phage display, ribosome display, yeast display, and mRNA display. Bacteriophage display is the most common type of display system used [1] although bacterial display is becoming increasingly popular as technical challenges are overcome. Bacterial display combined with FACS also has the ...
The 'Nuts and Bolts' of Phage Therapy. a special issue of the journal, Current Pharmaceutical Biotechnology, consisting of six articles on phage therapy, plus an editorial. Carnazza, S., Guglielmino, S. eds. 2010. Phage Display As a Tool for Synthetic Biology. Nova Science Publishers, Hauppauge, New York. ISBN 978-1-60876-987-2, Google Books
Assembled major coat protein, exploded view. The virion is a flexible filament (worm-like chain) about 6 nm in diameter and 900 nm long.Several thousand copies of a small (50 amino-acid residues) elongated alpha-helical major coat protein subunit (the product of gene 8, or p8) in an overlapping shingle-like array form a hollow cylinder enclosing the circular single-stranded DNA genome.
The structures of the phage capsid and of some other phage proteins are available from the Protein Data Bank. [6] The single-stranded Ff phage DNA runs down the central core of the phage, and is protected by a cylindrical protein coat built from thousands of identical α-helical major coat protein subunits coded by phage gene 8.
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mRNA display is a display technique used for in vitro protein, and/or peptide evolution to create molecules that can bind to a desired target. The process results in translated peptides or proteins that are associated with their mRNA progenitor via a puromycin linkage.