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. 2019 Mar 11;10:339. doi: 10.3389/fmicb.2019.00339

Figure 5.

Figure 5

Determination of the relP transcription start site (TSS) by 5′ RACE. (A) Electropherogram, showing TSS (boxed nucleotide), is representative of results from sequencing of several distinct clones obtained after 5′ RACE experiments. (B) Schematic representation of S. aureus relP chromosomal region. Large and filled arrows represent the relative size, location, and transcriptional orientation of ORFs. Small and thin arrows represent the regions used to design primers for 5′RACE experiment; relP-SP1:R (1), relP-SP2:R (2), and relP-SP3:R (3). Nucleotide sequences from −78 to +44 of relP start codon (underlined) showing TSS (indicated as +1) and possible −35 and −10 elements (gray background). relP ORF is indicated by bold nucleotides. The earlier predicted TSS is shown by asterisk.