[1] Yale Univ, Dept Chem, New Haven, CT 06511 USA
[2] Univ Washington, Dept Biochem, Seattle, WA 98195 USA
[3] Univ Washington, Dept Med, Seattle, WA 98195 USA
[4] Univ Washington, Dept Chem & Biochem, Seattle, WA 98195 USA
[5] Univ S Florida, Drug Discovery Program, H Lee Moffitt Canc Ctr, Tampa, FL 33612 USA
[6] Univ S Florida, Inst Res, Dept Oncol, Tampa, FL 33612 USA
[7] Univ S Florida, Dept Biochem & Mol Biol, Tampa, FL 33612 USA
[8] Univ Cent Florida, Dept Mol Biol & Microbiol, Orlando, FL 32826 USA