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Updated: Jun 22, 2026

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A Yeast 2-Hybrid Screen in Batch to Compare Protein Interactions
Published on: June 6, 2018
Analysis of protein-protein interactions using array-based yeast two-hybrid screens
Seesandra V Rajagopala1, Peter Uetz
1J. Craig Venter Institute, Rockville, MD 20850, USA.
Methods in Molecular Biology (Clifton, N.J.)
|June 13, 2009
Summary
Array-based yeast two-hybrid (Y2H) methods offer comprehensive protein-protein interaction analysis using defined libraries. While resource-intensive for large genomes, they minimize false positives for robust interactome studies.
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2026-06-19T13:36:19.987263+00:00
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Protein Networks
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Protein-protein Interfaces
Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...

