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Brief Communication

Nature Methods 2, 503–505 (1 July 2005) | doi:10.1038/nmeth770

Multiphoton excitation|[ndash]|evoked chromophore-assisted laser inactivation using green fluorescent protein

Takuji Tanabe , Masahito Oyamada , Katsumasa Fujita , Ping Dai , Hideo Tanaka & Tetsuro Takamatsu

Noninvasive, straightforward methods to inactivate selected proteins in living cells with high spatiotemporal resolution are needed. Chromophore-assisted laser inactivation (CALI) can be used to photochemically inactivate proteins, but it has several drawbacks, such as procedural complexity and nonspecific photodamage.