Correction

Karki et al. Vol. 142, No. 4, August 24, 1998. Pages 1023–1034.Two errors in the reported sequence of p22 were identified and corrected (see update to GenBank/ EMBL/DDBJ sequence AF082513). The corrected sequence and the corresponding changes in the predicted secondary structure of p22 are shown below, replacing Fig. 1, b and c in the above-mentioned article. This change does not affect the results or interpretation of the other data presented in this paper.