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Synthetic peptide corresponding to Saccharomyces cerevisiae GAL4 aa 100-200 conjugated to keyhole limpet haemocyanin.
(Peptide available as
Our Abpromise guarantee covers the use of ab1396 in the following tested applications.
The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
|WB||Use a concentration of 1 µg/ml. Predicted molecular weight: 99 kDa.|
|ChIP||Use at an assay dependent dilution.|
S. cerevisiae cells were incubated in raffinose-containing media then transferred to galactose-containing media to activate transcription of galactose activated genes. IP was performed with 500µl of cell extract incubated overnight with 5µl of ab1396 at 4°C, followed by the addition of 25µl of protein A sepharose beads and incubation for 2 hours (room temp). The subsequently purified DNA was analysed with 3 pairs of primers (see diagram). The results show that Gal4 binds specifically to the UAS region of Gal1-Gal10 in both raffinose and galactose, despite only 500-600bp between the UAS and 5' primer.