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The complete amino-acid sequence of a basic phospholipase A2 in the venom of Bungarus fasciatus
1Institute of Biological Chemistry, Academia Sinica, National Taiwan University.
Biological Chemistry Hoppe-Seyler
|November 1, 1988
Abstract:
A basic phospholipase A2 (PLA2) was isolated and purified from the venom of Bungarus fasciatus. Four kinds of enzymes, lysyl endopeptidase, endoproteinase Asp-N, endoproteinase Glu-C and trypsin, were employed to elucidate the complete primary structure by means of gas-phase sequencing. The amino-acid sequence reveals 118 amino-acid residues containing seven pairs of half-cystine. It has 78% and 61% structural identities with PLA2 from Bungarus multicinctus and Naja melanoleuca DE-II, respectively.