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. Author manuscript; available in PMC: 2014 Sep 23.
Published in final edited form as: Angew Chem Int Ed Engl. 2013 Sep 5;52(39):10356–10359. doi: 10.1002/anie.201305359

Figure 2.

Figure 2

Diagram of the MRFS experimental approach. A single nup or importin molecule was immobilized at the apex of an AFM tip via a flexible 6 nm linker (Figure S2). FG domains were immobilized on flat mica surfaces (average distance ~25 nm) using the same linker.