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. 2013 Nov 18;5(11):2172–2208. doi: 10.3390/toxins5112172

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© 2013 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

PMC Copyright notice

Structural and functional evolution of plesiotypic 3FTxs. Sequence alignment and homology models depicting structurally and functionally important residues and hypermutable sites of various three-finger toxins are shown. Extremely well-conserved residues implicated in structural/functional roles, and hypermutable sites are shaded. Sequences presented (uniprot): A. (1) M9T1L2 Aspidites melanocephalus, (2) M9T271 Aspidites melanocephalus, (3) M9SZR1 Cylindrophis ruffus and (4) M9SZV9 Cylindrophis ruffus; B. (1) A5X2W8 Sistrurus catenatus edwardsii, (2) B4Y146 Sistrurus catenatus edwardsii, (3) A5X2W7 Sistrurus catenatus edwardsii, (4) B4Y143 Sistrurus catenatus edwardsii, (5) B4Y144 Sistrurus catenatus edwardsii and (6) M9T2J4 Azemiops feae; C. (1) Q06ZW0 Boiga dendrophila, (2) A0S864 Boiga irregularis, (3) A0S865 Boiga irregularis, 4) A7X3V0 Telescopus dhara and (5) A7X3S0 Trimorphodon biscutatus; D. (1) Q6IZ95 Bungarus candidus, (2) Q9PW19 Bungarus multicinctus, (3) Q9YGH9 Bungarus multicinctus, (4) Q8AY51 Bungarus candidus, (5) Q2VBN2 Ophiophagus hannah and 6) Q9YGI2 Naja atra.