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A contiguous chain of five genes and one TU linked by five UGPs on chr22 (BC004346-SLC7A4). Arrows indicate the direction of transcription of the labeled genes and TU. Cis-antisense overlaps are represented by hatched black vertical rectangles. Putative bidirectional promoters are represented by solid gray vertical rectangles. For clarity, individual exons are not shown. Drawing is not to scale.
