The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.
Mechanism of phospho-ubiquitin-induced PARKIN activation
Open accessAbstract
The E3 ubiquitin ligase PARKIN (encoded by PARK2) and the protein kinase PINK1 (encoded by PARK6) are mutated in autosomal-recessive juvenile Parkinsonism (AR-JP) and work together in the disposal of damaged mitochondria by mitophagy. PINK1 is stabilized on the outside of depolarized mitochondria and phosphorylates polyubiquitin as well as the PARKIN ubiquitin-like (Ubl) domain. These phosphorylation events lead to PARKIN recruitment to mitochondria, and activation by an unknown allosteric mechanism. Here we present the crystal structure of Pediculus humanus PARKIN in complex with Ser65-phosphorylated ubiquitin (phosphoUb), revealing the molecular basis for PARKIN recruitment and activation. The phosphoUb binding site on PARKIN comprises a conserved phosphate pocket and harbours residues mutated in patients with AR-JP. PhosphoUb binding leads to straightening of a helix in the RING1 domain, and the resulting conformational changes release the Ubl domain from the PARKIN core; this activates PARKIN. Moreover, phosphoUb-mediated Ubl release enhances Ubl phosphorylation by PINK1, leading to conformational changes within the Ubl domain and stabilization of an open, active conformation of PARKIN. We redefine the role of the Ubl domain not only as an inhibitory but also as an activating element that is restrained in inactive PARKIN and released by phosphoUb. Our work opens up new avenues to identify small-molecule PARKIN activators.
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Phaser crystallographic software
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Youle, R. J., & Narendra, D. P. (2011) · Nature Reviews Molecular Cell Biology · doi:10.1038/nrm3028 · Cited by 3,273
The Roles of PINK1, Parkin, and Mitochondrial Fidelity in Parkinson’s Disease
Pickrell, A. M., & Youle, R. J. (2015) · Neuron · doi:10.1016/j.neuron.2014.12.007 · Cited by 2,310
Parkin is activated by PINK1-dependent phosphorylation of ubiquitin at Ser65
Kazlauskaite, A., Kondapalli, C., Gourlay, R., Campbell, D. G., Ritorto, M. S., Hofmann, K., Alessi, D. R., Knebel, A., Trost, M., & Muqit, M. M. K. (2014) · Biochemical Journal · doi:10.1042/bj20140334 · Cited by 806
Chemistry-Based Functional Proteomics Reveals Novel Members of the Deubiquitinating Enzyme Family
Borodovsky, A., Ovaa, H., Kolli, N., Gan-Erdene, T., Wilkinson, K. D., Ploegh, H. L., & Kessler, B. M. (2002) · Chemistry & Biology · doi:10.1016/s1074-5521(02)00248-x · Cited by 588
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“An alternative mechanism to activate PARKIN is PINK1-mediated phosphorylation of Ser65 in the Ubl domain7,9,10, which was also suggested to release the Ubl domain from the PARKIN core9,24.”
Autoregulation of Parkin activity through its ubiquitin‐like domain
Chaugule, V. K., Burchell, L., Barber, K. R., Sidhu, A., Leslie, S. J., Shaw, G. S., & Walden, H. (2011) · The EMBO Journal · doi:10.1038/emboj.2011.204 · Cited by 339
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Cited by
Mitophagy and Quality Control Mechanisms in Mitochondrial Maintenance
Pickles, S., Vigié, P., & Youle, R. J. (2018) · Current Biology · doi:10.1016/j.cub.2018.01.004 · Cited by 2,081
Ubiquitin ligases: structure, function, and regulation
Zheng, N., & Shabek, N. (2017) · Annual Review of Biochemistry · doi:10.1146/annurev-biochem-060815-014922 · Cited by 1,499
Mitochondrial Dynamics and Its Involvement in Disease
Chan, D. C. (2020) · Annual Review of Pathology: Mechanisms of Disease · doi:10.1146/annurev-pathmechdis-012419-032711 · Cited by 1,416
The increasing complexity of the ubiquitin code
Yau, R., & Rape, M. (2016) · Nature Cell Biology · doi:10.1038/ncb3358 · Cited by 1,054
Structural insights into the catalysis and regulation of E3 ubiquitin ligases
Buetow, L., & Huang, D. T. (2016) · Nature Reviews Molecular Cell Biology · doi:10.1038/nrm.2016.91 · Cited by 679
Metadata
- Authors
- Wauer, T., Simicek, M., Schubert, A., & Komander, D.
- Venue
- Nature
- Published
- 2015-07-10
- Volume
- 524
- Issue
- 7565
- Pages
- 370-374
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- OpenAlex
- W1770535374
- Cited by
- 474
- References
- 8
- FWCI
- 29.56
- Type
- journal article
- Language
- en
- Open access
- green
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