... test on –LWH, including 5 mM 3-amino-1,2,4,triazoleallowing the identification of the protein interactions. (D) Test of b-galactosidase activity allowing the confirmation of proteininteractions ... proteins,thus ruling out the possibility of masking any, yet tobe identified, putative N-terminal or C-terminal target-ing signal within the fusion protein (Fig. 7). Further-more, by combining ... importance of combining distinct analyti-cal approaches when studying the subcellular localiza-tion of proteins so as to avoid any misinterpretation of the results obtained, especially for proteins...