Fig. 14

Self-activation detection of pHis2-element recombinant vectors. Transcriptional autoactivation of Y187 recombinant yeast for element No.1 and No.4 was screened on SD/−His/−Trp (DDO) medium with the inhibitor 3-amino-1, 2,4-triazole (3-AT) at 0–100 mM