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. 2018 Aug 1;285(1884):20181003. doi: 10.1098/rspb.2018.1003

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© 2018 The Author(s)

Published by the Royal Society. All rights reserved.

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Figure 3. — Amino acid sequence alignment of all Spilotes sulphureus three-finger toxin (3FTx) isoforms and other known prey-specific 3FTxs. Characterized lizard-specific 3FTxs are shown in green, and sulmotoxin 1, a mammal-specific 3FTx, is in red. All prey-specific 3FTx sequences from this study are bolded. Sulmotoxin 2 is labelled twice because of the presence of either of these isoforms within RP-HPLC peak 6. Cysteines are highlighted in pink. The five disulfides characteristic of non-conventional 3FTxs are shown with dotted lines. The numbers above the alignments note the arrangement of the three 3FTx structural loops. Amino acid variation observed within the end of the central structural loop is highlighted in purple for characterized toxins. The signal peptides are indicated by the blue bar above all sequences except fulgimotoxin. (Online version in colour.)