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EWS/FLI occupies GGAA microsatellite containing promoters in vivo. Chromatin immunoprecipitation of the indicated promoters from A673 Ewing's sarcoma cells by using antibodies against FLI (which recognizes EWS/FLI), ETS1, or ELK1. Data are plotted as fold enrichment for each region compared to the average enrichment of two negative control genes. The error bars indicate SEMs of two to five independent experiments.
