Editor-in-Chief: Brüne, Bernhard
Editorial Board: Buchner, Johannes / Lei, Ming / Ludwig, Stephan / Sies, Helmut / Thomas, Douglas D. / Turk, Boris / Wittinghofer, Alfred
IMPACT FACTOR 2017: 3.022
CiteScore 2017: 2.81
SCImago Journal Rank (SJR) 2017: 1.562
Source Normalized Impact per Paper (SNIP) 2017: 0.705
Two-site substrate recognition model for the Keap1-Nrf2 system: a hinge and latch mechanism
Cells are equipped with a number of transcriptional factors that safeguard against various environmental insults. Proteasomal protein degradation plays an important role in the Keap1-Nrf2 cytoprotection system, with molecular machinery similar to that for other environmental defense systems such as inflammatory and hypoxic responses. While Nrf2 protein stabilization is known to be redox-sensitive, the transcription factors NF-κB and HIF-1α for inflammatory and hypoxic responses, respectively, are also influenced by the cellular redox conditions. In this review we present the recently proposed two-site substrate recognition model of the Keap1-Nrf2 system, which regulates the cellular responses against oxidative and xenobiotic stresses. The implications of two destructive motifs in Nrf2, the ETGE and DLG motifs, which appear to function as a hinge and latch attenuating Keap1 activity in different redox states, are discussed.
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