| geographic variations in the composition of myotoxins from bothrops neuwiedi snake venoms: biochemical characterization and biological activity. | (1) venom pools from bothrops neuwiedi (bn) and from two subspecies, namely bothrops neuwiedi pauloensis (bnp) and bothrops neuwiedi urutu (bnu), collected in the states of são paulo (sp) and minas gerais (mg), brazil, were electrophoretically examined. basic toxins with different isoelectric points were identified in the venom collected in são paulo (bnsp). these toxins were absent in the corresponding pools from minas gerais (bnmg, bnpmg and bnumg). (2) bnsp, but not bnmg, bnpmg or bnumg, show ... | 1998 | 9972319 |