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Role of Predicted Metalloprotease Motif of Jab1/Csn5 in Cleavage of Nedd8 from Cul1
Abstract
COP9 signalosome (CSN) cleaves the ubiquitin-like protein Nedd8 from the Cul1 subunit of SCF ubiquitin ligases. The Jab1/MPN domain metalloenzyme (JAMM) motif in the Jab1/Csn5 subunit was found to underlie CSN's Nedd8 isopeptidase activity. JAMM is found in proteins from archaea, bacteria, and eukaryotes, including the Rpn11 subunit of the 26 S proteasome. Metal chelators and point mutations within JAMM abolished CSN-dependent cleavage of Nedd8 from Cul1, yet had little effect on CSN complex assembly. Optimal SCF activity in yeast and both viability and proper photoreceptor cell (R cell) development in Drosophila melanogaster required an intact Csn5 JAMM domain. We propose that JAMM isopeptidases play important roles in a variety of physiological pathways.
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Cites
Gapped BLAST and PSI-BLAST: a new generation of protein database search programs
Altschul, S. (1997) · Nucleic Acids Research · doi:10.1093/nar/25.17.3389 · Cited by 73,302
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Function and regulation of cullin–RING ubiquitin ligases
Petroski, M. D., & Deshaies, R. J. (2005) · Nature Reviews Molecular Cell Biology · doi:10.1038/nrm1547 · Cited by 2,148
Self-citationBreaking the chains: structure and function of the deubiquitinases
Komander, D., Clague, M. J., & Urbé, S. (2009) · Nature Reviews Molecular Cell Biology · doi:10.1038/nrm2731 · Cited by 1,969
A genomic and functional inventory of deubiquitinating enzymes.
Nijman, S. M. B., Luna-Vargas, M. P. A., Velds, A., Brummelkamp, T. R., Dirac, A. M. G., Sixma, T. K., & Bernards, R. (2005) · Cell · doi:10.1016/j.cell.2005.11.007 · Cited by 1,854
Recognition and Processing of Ubiquitin-Protein Conjugates by the Proteasome
Finley, D. (2009) · Annual Review of Biochemistry · doi:10.1146/annurev.biochem.78.081507.101607 · Cited by 1,764
Regulation and cellular roles of ubiquitin-specific deubiquitinating enzymes.
Reyes-Turcu, F. E., Ventii, K. H., & Wilkinson, K. D. (2009) · Annual Review of Biochemistry · doi:10.1146/annurev.biochem.78.082307.091526 · Cited by 1,396
Metadata
- Authors
- Cope, G. A., Suh, G. S. B., Aravind, L., Schwarz, S. E., Zipursky, S. L., Koonin, E. V., & Deshaies, R. J.
- Venue
- Science
- Published
- 2002-10-18
- Volume
- 298
- Issue
- 5593
- Pages
- 608-611
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2013057562
- Cited by
- 691
- References
- 1
- FWCI
- 14.15
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Role of Predicted Metalloprotease Motif of Jab1/Csn5 in Cleavage of Nedd8 from Cul1. https://app.cochat.ai/papers/10.1126/science.1075901
- The paper
- Cope, G. A., Suh, G. S. B., Aravind, L., Schwarz, S. E., Zipursky, S. L., Koonin, E. V., & Deshaies, R. J. (2002). Role of Predicted Metalloprotease Motif of Jab1/Csn5 in Cleavage of Nedd8 from Cul1. Science. https://doi.org/10.1126/science.1075901
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