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The homodimers of Q protein in yeast two-hybrid analysis. (Left) The yeast cells after mating were grown in SD/-L-W medium to confirm the cells containing both bait and prey. (Right) The protein-protein interactions were examined by the growth under the selection of SD/-L-W-H-A and in the presence of X-Gal. The cells could grow only when the combination of bait∷prey resulted in the protein interaction and therefore the activation of reporter genes (HIS, ADE2, and lacZ).
