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. 2012 Sep 15;60(4):449-54.
doi: 10.1016/j.toxicon.2012.02.006. Epub 2012 Mar 3.

On the ancestral recruitment of metalloproteinases into the venom of snakes

Nicholas R Casewell  1
Affiliations

On the ancestral recruitment of metalloproteinases into the venom of snakes

Nicholas R Casewell. Toxicon. .

Abstract

Tracing the evolutionary history of proteins can reveal insights into gene alterations responsible for changes in structure and function. Here, the origin of snake venom metalloproteinases was rigorously reassessed using phylogenetics and the reconstruction of ancestral sequences. Basal SVMPs are most closely related to ADAM 7, 28 and decysin-1 proteins. Reconstructing the evolutionary history of these proteins and their hypothetical ancestors reveals progressive alterations in the amino acid composition and structural characteristics of ADAMs/SVMPs through evolutionary time.

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