Figure 3.

Comparison of exon junctions of Bombyx mori and Drosophila melonogaster nAChRs. N-terminal signal leader peptides are symbolized by arrows. Exon junctions are indicated by vertical bars. Sites of transmembrane motifs are indicated by ovals and Cys-loops are showed by triangles. Identical exon boundaries are showed by dotted lines.

Shao et al. BMC Genomics 2007 8:324   doi:10.1186/1471-2164-8-324
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