Table 1. Complementarity between the primer tRNA and the 3′-end of lentiviral genomic RNAs.

¹Numbering is according to HIV-1 Mal.

²These mutants were selected by C. Morrow and co-workers (20,37). Numbering is according to the parent strain HXB2.

³The accession number is given in parentheses.

⁴Numbering is according to HIV-2 Ben.