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Więcej informacji o Rapid nanobody discovery and novel nanobody engineering strategies for the study of the nuclear pore complex

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Opis

Nanobodies are recombinant single-domain antibodies of camelid origin. We set out to generate nanobodies as tools to study nuclear pore complexes (NPCs) that constitute the major passageways for nucleocytoplasmic exchange. Therefore, we developed an optimized phage display-based workflow for the generation of nanobodies from an immunized animal. The identified nanobodies were functionally expressed in the E. coli cytoplasm in a disulfide bond-free form, thus overcoming the engineering limitations imposed by conventional periplasmic secretion. Using protease-cleavable affinity tags, we developed a generic strategy for native protein complex isolation from eukaryotic sources, e.g. for structural analyses by electron microscopy. We further established a reliable fluorescent labeling strategy of nanobodies that is based on engineered surface cysteines and maleimide chemistry. In contrast to NHS labeling of lysines, maleimide labeling is site-specific, does not interfere with antigen recognition and yields superior imaging reagents, especially for super-resolution microscopy. Using our optimized workflow, we obtained a large toolbox of nanobodies against constituents of Xenopus NPCs that can now be used to study various unresolved aspects of NPC structure, assembly and function.

Szczegóły książki

• Pełny tytuł: Rapid nanobody discovery and novel nanobody engineering strategies for the study of the nuclear pore complex
• Autor: Tino Pleiner
• Język: Angielski
• Oprawa: Miękka
• Liczba stron: 154
• EAN: 9783736995154
• ISBN: 3736995156
• ID: 16242624
• Wydawca: Cuvillier
• Waga: 209 g
• Wymiary: 210 × 148 × 8 mm
• Data wydania: 03. April 2017

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