Jiejen Chen on Muck Rack

Jiejen Chen

As seen in: The Journal of Biological Chemistry
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Articles

Covalently Linked HslU Hexamers Support a Probabilistic Mechanism that Links ATP Hydrolysis to Protein Unfolding and Translocation

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By Vladimir Baytshtok, Steven E. Glynn, Andrew R. Nager, Jiejen Chen
| The Journal of Biological Chemistry Verified
The HslUV proteolytic machine consists of HslV, a double-ring self-compartmentalized peptidase, and one or two AAA+ HslU ring hexamers that hydrolyze ATP to power the unfolding of protein substrates and their translocation into the proteolytic chamber of HslV. Here, we use genetic-tethering and disulfide-bonding strategies to construct HslU pseudohexamers containing mixtures of ATPase active and inactive subunits at defined positions in the hexameric ring.
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