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. 2014 Oct 24;5:178. doi: 10.3389/fendo.2014.00178

Figure 2.

Figure 2

Comparison of the linear schematic organization of FMRFa precursors in mollusks: Me-FMRF identified in Mytilus edulis (25), So-FMRF in Sepia officinalis (24), Lg-FMRF in Lottia gigantea (27), Has-FMRF1 and Has-FMRF2 in Haliotis asinina (28), and Ls-FMRF1 and Ls-FMRF2 in Lymnaea stagnalis (18). Signal peptides, proteolytic processing sites, and C-terminal glycines for amidation are indicated by distinct labels. For Ls-FMRF1 and Ls-FMRF2 precursors, the respective encoding exons are indicated as E1, E2, E3, E4, and E5.