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Toxicon. 2004 Jun 1;43(7):855-8.

Complete amino acid sequence and phylogenetic analysis of a long-chain neurotoxin from the venom of the African banded water cobra, Boulengerina annulata.

Author information

1
Institute of Medicinal Chemistry, Hoshi University, Ebara 2-4-41, Shinagawa-ku, Tokyo 142-8501, Japan.

Abstract

The sequence of a long-chain neurotoxin (71 amino acid residues, 10 half-cystines) from the venom of the African banded water cobra (Boulengerina annulata) was determined by Edman degradation. It exhibits high sequence similarity with long-chain neurotoxins from the venoms of four species of African cobras (genus Naja), which are collectively more similar to the Boulengerina toxin than to those of Asian Naja species. These results are discussed in the light of phylogenetic hypotheses on the relationships of African cobras.

PMID:
15284021
DOI:
10.1016/j.toxicon.2004.02.018
[Indexed for MEDLINE]

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