FIG. 3.

Initiation of transcription of genomic RNA from an antigenomic linear dimer RNA template. The upper line represents a dimer of antigenomic RNA whose 5′ and 3′ ends correspond to the middle of the antigenomic ribozyme. The other indicated features are as in Fig. 1. Next are shown five examples of putative nascent genomic RNAs transcribed from this template. Note that the first and fourth and the second and fifth transcripts begin at what correspond to equivalent sites on the two monomers.