The authors wish to apologize for an error which occurred in the Abstract of the above paper. The last sentence in the Abstract should read as follows:. Mutational analysis indicate that the functional vir box sequence is 14 residues in length, contains a dyad symmetry and has the consensus sequence d ryTncAaTTGnAaY (r=purine, y=pyriniidine).
Bibliographical noteFunding Information:
The authors wish to acknowledge that this research was sponsored in part by the National Cancer Institute, DHHS, under contract number N01-CO-74101, with ABL-Basic Research Program.