
A schematic showing the genetic organization of AmelFibroin1–4 and AmelFibroin-rel genes in the Apis mellifera genome and the GC content and CpG islands in the corresponding genomic region. The open reading frames of the AmelFibroin genes are shown as block arrows with the regions encoding heptads shaded. Intergenic regions are shown to scale as lines. The GC content is redrawn from BeeBase (http://racerx00.tamu.edu/bee_resources.html). Regions corresponding to CpG islands (predicted by newcpgseek) are indicated by stars.











