[1] Univ Bath, Dept Biol & Biochem, Bath, Avon, England
[2] Univ Cambridge, Dept Pathol, Cambridge, England
[3] Osaka Univ, Grad Sch Frontier Biosci, Osaka, Japan
[4] Univ Calif San Diego, Skaggs Sch Pharm & Pharmaceut Sci, San Diego, CA 92103 USA
[5] Univ Calif San Diego, Dept Chem & Biochem, San Diego, CA 92103 USA
[6] Oxford Brookes Univ, Dept Biol & Med Sci, Oxford, England