Abstract
1XOMA Corporation, 2910 Seventh Street, Berkeley, CA 94710, USA
2Environmental Biotechnology Institute, California Polytechnic State University, San Luis Obispo, CA 93407, USA
3Instituto Mediterraneo de Estudios Avanzados (CSIC-UIB), Crtra. Valldemosa Km 7·5, Palma de Mallorca, Spain
4Instituto de Neurobiologia, Universidad de Puerto Rico, San Juan, PR 00901, Puerto Rico
5PE Applied Biosystems, 850 Lincoln Centre Dr., Foster City, CA 94404, USA