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Macromolecular juggling by ubiquitylation enzymes.


ABSTRACT: The posttranslational modification of target proteins with ubiquitin and ubiquitin-like proteins is accomplished by the sequential action of E1, E2, and E3 enzymes. Members of the E1 and E3 enzyme families can undergo particularly large conformational changes during their catalytic cycles, involving the remodeling of domain interfaces. This enables the efficient, directed and regulated handover of ubiquitin from one carrier to the next one. We review some of these conformational transformations, as revealed by crystallographic studies.

SUBMITTER: Lorenz S 

PROVIDER: S-EPMC3748819 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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Macromolecular juggling by ubiquitylation enzymes.

Lorenz Sonja S   Cantor Aaron J AJ   Rape Michael M   Kuriyan John J  

BMC biology 20130625


The posttranslational modification of target proteins with ubiquitin and ubiquitin-like proteins is accomplished by the sequential action of E1, E2, and E3 enzymes. Members of the E1 and E3 enzyme families can undergo particularly large conformational changes during their catalytic cycles, involving the remodeling of domain interfaces. This enables the efficient, directed and regulated handover of ubiquitin from one carrier to the next one. We review some of these conformational transformations,  ...[more]

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