Immobilization of Ferrocene-Modified SNAP-Fusion Proteins
AbstractThe supramolecular assembly of proteins on surfaces has been investigated via the site-selective incorporation of a supramolecular moiety on proteins. To this end, fluorescent proteins have been site-selectively labeled with ferrocenes, as supramolecular guest moieties, via SNAP-tag technology. The assembly of guest-functionalized SNAP-fusion proteins on cyclodextrin- and cucurbituril-coated surfaces yielded stable monolayers. The binding of all ferrocene fusion proteins is specific as determined by surface plasmon resonance. Micropatterns of the fusion proteins, on patterned cyclodextrin and cucurbituril surfaces, have been visualized using fluorescence microscopy. The SNAP-fusion proteins were also immobilized on cyclodextrin vesicles. The supramolecular SNAP-tag labeling of proteins, thus, allows for the assembly of modified proteins via supramolecular host-guest interaction on different surfaces in a controlled manner. These findings extend the toolbox of fabricating supramolecular protein patterns on surfaces taking advantage of the high labeling efficiency of the SNAP-tag with versatile supramolecular moieties.
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Wasserberg, D.; Uhlenheuer, D.A.; Neirynck, P.; Cabanas-Danés, J.; Schenkel, J.H.; Ravoo, B.J.; An, Q.; Huskens, J.; Milroy, L.-G.; Brunsveld, L.; Jonkheijm, P. Immobilization of Ferrocene-Modified SNAP-Fusion Proteins. Int. J. Mol. Sci. 2013, 14, 4066-4080.
Wasserberg D, Uhlenheuer DA, Neirynck P, Cabanas-Danés J, Schenkel JH, Ravoo BJ, An Q, Huskens J, Milroy L-G, Brunsveld L, Jonkheijm P. Immobilization of Ferrocene-Modified SNAP-Fusion Proteins. International Journal of Molecular Sciences. 2013; 14(2):4066-4080.Chicago/Turabian Style
Wasserberg, Dorothee; Uhlenheuer, Dana A.; Neirynck, Pauline; Cabanas-Danés, Jordi; Schenkel, Jan H.; Ravoo, Bart J.; An, Qi; Huskens, Jurriaan; Milroy, Lech-Gustav; Brunsveld, Luc; Jonkheijm, Pascal. 2013. "Immobilization of Ferrocene-Modified SNAP-Fusion Proteins." Int. J. Mol. Sci. 14, no. 2: 4066-4080.