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. 2002 Mar;12(3):379–390. doi: 10.1101/gr.214202

Figure 5.

Figure 5

Variation of the transcription start sites. Three types of variations are detected: (1) transcription starts at a different C (or T) residue within an oligopyrimidine tract (e.g., RPL32); (2) transcription starts at a C residue in distinct oligopyrimidine tracts (e.g., RPL39); and (3) transcription start at the same C residue but the length of the T stretches vary (e.g., RPS20). These variations will appear in the DDBJ/EMBL/GenBank DNA database under accession nos. D28385, D28397, and D28358 (for a complete list, see Table 1). Arrowheads indicate the possible transcription start sites. T-stretches of variable length are shaded.