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Genetic organization of the BV strain E2490 US region. ORFs predicted to encode proteins and their orientations are indicated by large arrows. The locations of transcriptional termination signals (AATAAA, followed by GT tracts) are indicated by vertical dashed lines. The proposed mRNA transcriptional map of the region is indicated by arrows located below the ORF map. IRL, inverted long repeat; IRS, inverted short repeat.
