Hi netters! A basic question to cytoskeleton aficionados, a problem for me: what is a unit of phalloidin? TIA Philippe Lefebvre INSERM U459 Faculte de Medecine Henri Warembourg 1 place de verdun 59045 Lille cedex France Tel 33.3.20.62.68.87 Fax 33.3.20.62.68.84