[1] UCSF, Pharmaceut Chem, San Francisco, CA USA
[2] UCSF, Bioengn & Therapeut Sci, San Francisco, CA USA
[3] UCSF, Ctr Syst & Synthet Biol, San Francisco, CA USA
[4] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Life Sci Div, Berkeley, CA 94720 USA
[5] Stanford Univ, Urol, Stanford, CA 94305 USA