Access

Research

Nature Biotechnology 21, 1505–1508 (1 December 2003) | doi:10.1038/nbt914

Genetically targeted chromophore-assisted light inactivation

Oded Tour , Rene M Meijer , David A Zacharias , Stephen R Adams & Roger Y Tsien

Studies of protein function would be facilitated by a general method to inactivate selected proteins in living cells noninvasively with high spatial and temporal precision. Chromophore-assisted light inactivation (CALI) uses photochemically generated, reactive oxygen species to inactivate proteins acutely, but its use has been limited by the need to microinject dye-labeled nonfunction-blocking antibodies.