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The Rise and Fall of an Evolutionary Innovation: Contrasting Strategies of Venom Evolution in Ancient and Young Animals

Fig 5

Molecular evolution of venom in coleoids.

A plot of site-specific ω against amino acid positions for various coleoid toxin types is presented. The red horizontal line represents the line of neutrality: points above and below this line indicate positive and negative selection, respectively. Bar plot color codes: 1) Serine Protease; 2) PLA2; 3) Pacifestin and 4) CAP.

Fig 5

doi: https://doi.org/10.1371/journal.pgen.1005596.g005