FIG. 1.

Examples of interactions between AMV proteins in the yeast two-hybrid system, 4 days after plating. Yeast cells were grown on medium that does not select for interaction (MUAH) and medium that selects for adenine and histidine auxotrophy (MU). In the schematic representations of P1 and P2 segments fused to the GAL4 binding domain (B) or activation domain (A) that were used to transform yeast cells, GAL4 sequences are represented by black bars, MT, HEL, and POL, domains and the proline cluster (PC) are hatched, and deletions are shown as dotted lines. Typical interactions are shown along with positive and negative controls (rows 12 and 1, respectively). Growth rates of yeast cells are indicated by plus and minus signs as explained in the footnote to Table 1.