FIG. 6.

Domain structures of the signal peptide and the putative translation products of the doubly spliced JSRV env transcripts. (A) The JSRV Env signal peptide sequence is diagramed, and the locations of predicted sequence motifs are indicated by arrows under the diagram. (B) Amino acid composition of the predicted translations from the doubly spliced env transcripts. The locations of the alternative splice donor and splice acceptor sites are indicated, as well as the location of the stop codon (asterisks) within the second exons (shaded).