Figure 1From: Evidence of balanced diversity at the chicken interleukin 4 receptor alpha chain locusGene structure of IL-4Rα. Exons are shown in green, introns in grey and amplicon regions by the red arrows. The UTRs are shown in blue, the leader sequence in red, unknown regions in black and promoter sequence is shown in beige. The numbers shown represent the base positions in relation to the GenBank entries for the mRNA and CDS.Back to article page