1. Affymax Research Instiute, Palo Alto, California, USA 2Pharmacopeia, Inc., Cranbury, New Jersey, USA 3Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Moscow, Russia 4Teijin Institute for Bio-Medical Research, Tokyo, Japan 5Astra-Zeneca Ltd., Macclesfield, Cheshire, UK 6Novartis, Inc., Basle, Switzerland 7Sunesis, Inc., Redwood City, California, USA