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Updated: Mar 13, 2026

A Yeast 2-Hybrid Screen in Batch to Compare Protein Interactions
Published on: June 6, 2018
Protocols for Screening for Binding Partners of CCN Proteins: Yeast Two-Hybrid System
Mitsuhiro Hoshijima1, Takako Hattori2, Masaharu Takigawa3
1Advanced Research Center for Oral and Craniofacial Sciences, Okayama University Dental School/Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1, Shikata-cho, Kita-ku, Okayama, 700-8525, Japan.
Abstract:
Yeast two-hybrid screening is a powerful method to identify proteins that interact with a protein of interest. CCN2 consists of four domains, and identification of new proteins that bind to individual domains of CCN2 may reveal a variety of CCN2 functions. To identify CCN2-interactive proteins that regulate CCN2 activity, we carried out GAL4-based yeast two-hybrid screening with a cDNA library derived from a chondrocytic cell line, HCS-2/8, with CCN2 cDNA used as a bait. In this chapter, we describe our methods for screening for CCN2 binding partners by this system in detail. This protocol may be applied to other CCN proteins as well.
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