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Summary of sim early regulatory region protein binding sites. Shown is 3.3 kb of the D. melanogaster sim early regulatory region. Exon 2 is indicated by a box and PE by an arrow. The location of D/V transcription factor binding sites is indicated along with the CMEs The locations of the three major clusters of D/V regulatory protein bindings sites (DTC1, DTC2, and SC) are shown at the bottom.
