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. 2004 Mar;24(6):2296–2307. doi: 10.1128/MCB.24.6.2296-2307.2004

FIG. 1.

FIG. 1.

The SRC core promoters contain Inr elements. (A) Schematic of the human SRC locus on chromosome 20. Proximal promoter elements are shown and defined in the text. (B) Sequence of the SRC1α core promoter regions surrounding the SRC1α transcription start site. The Inr element is underlined. (C) Transcription start site mapping in the SRC1A promoter. S1 protection analysis was performed to determine the initiation sites for transcription in the SRC1A promoter in HepG2 and HT29 cells. The residues mapped to the extreme 5′ termini of exon 1A-containing transcripts are denoted with bent black arrows on the right. (D) Sequence of the SRC1A core promoter regions surrounding the SRC1A transcription start site. The Inr element is underlined.