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Synthetic peptide conjugated to KLH derived from within residues 100 and 200 within the DNA binding domain of Saccharomyces cerevisiae GAL4.
(Peptide available as ab23612.)
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.
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.
Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"