(untitled) - Zhang, B; Salituro, G; Szalkowski, D; Li, Z; Zhang, Y; Royo, I; Vilella, D; Díez, M T; Pelaez, F; Ruby, C; Kendall, R L; Mao, X; Griffin, P; Calaycay, J; Zierath, J R; Heck, J V; Smith, R G; Moller, D E (Science, 1999)