
Phylogenetic analysis of snake toxins. A cladogram constructed for phylogenetic analysis with DNASIS software package is shown. The abbreviations used for α-NTXs are the same as in Fig. 1.κ-BTX andκ 3-BTX are bungarotoxins from Bungarus multicinctus (accession nos: Y11768 and Y11769). (CTX3) The CTX from N. n. sputatrix(accession no. AF064096); (CTX-4) The CTX fromN. n. atra (GenBank accession no. Y12493).











