Elovl1 is highly conserved in zebrafish, mice, and humans. Protein sequence alignment of zebrafish, mice, and human elovl1. Zebrafish contains 2 elovl1 genes, elovl1a and elovl1b. Conserved amino acids are boxed in black. Similar amino acids are boxed in gray, and 5 conserved motifs in Elovl family members are underlined. Abbreviations: ZF, zebrafish; Hum, human; Mou, mouse.