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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Struct+Biol
2015 ; 192
(2
): 151-8
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Site-specific labeling of proteins for electron microscopy
#MMPMID26409249
Dambacher CM
; Lander GC
J Struct Biol
2015[Nov]; 192
(2
): 151-8
PMID26409249
show ga
Electron microscopy is commonly employed to determine the subunit organization of
large macromolecular assemblies. However, the field lacks a robust molecular
labeling methodology for unambiguous identification of constituent subunits. We
present a strategy that exploits the unique properties of an unnatural amino acid
in order to enable site-specific attachment of a single, readily identifiable
protein label at any solvent-exposed position on the macromolecular surface.
Using this method, we show clear labeling of a subunit within the 26S proteasome
lid subcomplex that has not been amenable to labeling by traditional approaches.