Comparison of the gene organisation of H1, H2, M1, M2 and M3 from <i>S. salar</i> with ferritin sequences from other vertebrates.

<p>Exons and introns are represented respectively by the blue boxes and black lines. Numbers below and above the boxes respectively indicate exon sizes and intron sizes. The length of exons and introns is drawn to scale except for intron sizes exceeding 1500<b>//</b>.