20-Residue and 11-residue peptaibols from the fungus Trichoderma longibrachiatum are synergistic in forming Na + /K + -permeable channels and adverse action towards mammalian cells

20-Residue and 11-residue peptaibols from the fungus Trichoderma longibrachiatum are synergistic in forming Na + /K + -permeable channels and adverse action towards mammalian cells