Affiliation: | aInstituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Apartado 127, 2781-901 Oeiras, Portugal;bBayer Schering Pharma AG, Lead Discovery Berlin – Protein Supply, 13353 Berlin, Germany;cInstituto de Biologia Experimental e Tecnológica, Apartado 12, 2781-901 Oeiras, Portugal;dGlobal Phasing Ltd., Sheraton House, Castle Park, Cambridge CB3 0AX, UK;eEuropean Molecular Biology Laboratory, Hamburg Outstation, Notkestrasse 85, 22603 Hamburg, Germany |