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SNAC-tag for sequence-specific chemical protein cleavage.


ABSTRACT: Site-specific protein cleavage is essential for many protein-production protocols and typically requires proteases. We report the development of a chemical protein-cleavage method that is achieved through the use of a sequence-specific nickel-assisted cleavage (SNAC)-tag. We demonstrate that the SNAC-tag can be inserted before both water-soluble and membrane proteins to achieve fusion protein cleavage under biocompatible conditions with efficiency comparable to that of enzymes, and that the method works even when enzymatic cleavages fail.

SUBMITTER: Dang B 

PROVIDER: S-EPMC6443254 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature

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SNAC-tag for sequence-specific chemical protein cleavage.

Dang Bobo B   Mravic Marco M   Hu Hailin H   Schmidt Nathan N   Mensa Bruk B   DeGrado William F WF  

Nature methods 20190325 4


Site-specific protein cleavage is essential for many protein-production protocols and typically requires proteases. We report the development of a chemical protein-cleavage method that is achieved through the use of a sequence-specific nickel-assisted cleavage (SNAC)-tag. We demonstrate that the SNAC-tag can be inserted before both water-soluble and membrane proteins to achieve fusion protein cleavage under biocompatible conditions with efficiency comparable to that of enzymes, and that the meth  ...[more]

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