Elena Condrea

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We have measured enzymatic, hemolytic and anticoagulant activities, lethal potencies and effects on contractions of the phrenic nerve-diaphragm preparation, by chemically modified derivatives of beta bungarotoxin (beta BuTX) and notexin, two presynaptically acting toxins which have PLA2 activity. The following chemical modifications of beta BuTX were(More)
The basic Lys-49 phospholipase A2 (PLA2) from Agkistrodon piscivorus piscivorus venom is homologous to the basic Asp-49 PLA2 from the same venom as well as other snake venom PLA2 enzymes. It differs, however, in several respects, most important being replacement of the previously invariant Asp-49 at the calcium binding site by Lys, resulting in a reversed(More)