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Covalent modifier NEDD8 is essential for SCF ubiquitin-ligase in fission yeast.

EMBO J

July 2000

Kato Cytoprotein Network Project, ERATO, Japan Science and Technology Corporation (JST), c/o Sagami Chemical Research Center, Nishi-Ohnuma 4-4-1, Sagamihara, Kanagawa 229-0012, Department of Biological Sciences, Graduate School of Scienc.

A ubiquitin-like modifier, NEDD8, is covalently attached to cullin-family proteins, but its physiological role is poorly understood. Here we report that the NEDD8-modifying pathway is essential for cell viability and function of Pcu1 (cullin-1 orthologue) in fission yeast. Pcu1 assembled on SCF ubiquitin-ligase was completely modified by NEDD8.

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