
Fig. 2. (A) Kyte-Doolittle hydrophobicity plot for Hbs shows strongly hydrophobic regions for the putative signal sequence and transmembrane regions (asterisks). The schematic beneath shows the corresponding organization of domains. (B) The genomic region containing the hbs in cDNA4 is spanned by P1s DS00087 and DS04940. Location of the 12 exons contained in cDNA4 is shown (thick black lines) relative to the genomic area. (C) S2 cells fail to aggregate when Hbs-transfected and RmHa3-transfected cells are mixed, form aggregates containing only red cells when Duf-transfected (red) and RmHa3-transfected (green) cells are mixed, and form aggregates containing both red and green cells when Duf-transfected (red) and RmHa3-transfected (green) cells are mixed. (D) Matrix of S2 cell aggregation responses: , no aggregation; R, aggregates with only cells of the one color; RG, aggregates with cells of both colors.