... zinnikeriandVipera berus berusvenomIdentification of the origin of a new viper population based on ammodytin I1heterogeneityIsabelle Guillemin*, Christiane Bouchier†, Thomas Garrigues‡, Anne Wisner§ ... phospholipase A2 covalently inhibited by p-bromo-phenacyl-bromide. J. Mol. Biol. 200, 181–188.2706 I. Guillemin et al.(Eur. J. Biochem. 270) Ó FEBS 2003Sequences and structural organization of phospholipase ... &Choumet, V. (2002) Toxicity evolution of Vipera aspis aspisvenom: identification and molecular modeling of a novel phos-pholipase A2 heterodimer neurotoxin. FEBS Lett. 527, 263–268.14. Winnepenninckx,...