[1] Univ Sussex, Sch Life Sci, Dept Chem, Falmer BN1 9QJ, England
[2] Univ Southampton, UK Natl Crystallog Serv, Chem, Southampton SO17 1BJ, Hants, England
[3] Univ Oxford, Nuffield Dept Clin Med, Struct Genom Consortium, Oxford OX3 7DQ, England
[4] Univ Estadual Campinas, Struct Genom Consortium, BR-13083886 Campinas, SP, Brazil
[5] Princess Naradhiwas Univ, Fac Sci & Technol, Narathiwat 96000, Thailand