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Transcription map of the bacteriophage φ29 genome. Locations of promoters A1, A2c, A2b, A3, and C2 are indicated by vertical bars. Arrows indicate the direction of transcription, with the arrowheads at the termination sites (TA1 and TD1). The genetic map is depicted. The phage terminal protein (TP) is shown attached to the 5′ ends of the genome.
