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Mcm7 ubiquitylation and Pif1-family helicases drive CMG disassembly to preserve genome integrity

ABSTRACT: Disassembly of the DNA helicase known as CMG (Cdc45-Mcm-GINS) is the key regulated step during DNA replication termination in eukaryotes. In budding yeast, CMG disassembly is initiated by the ubiquitin ligase SCF-Dia2, which ubiquitylates the Mcm7 subunit of CMG, leading to recruitment of the Cdc48 unfoldase. Here we have investigated the partners of the F-box protein Dia2 and tested which ones are dependent upon the TPR domain of Dia2, using yeast strains expressing ProteinA-tagged Dia2 or Dia2∆TPR. Controls include a strain expressing the TAP tag alone, and a strain expressing TAP-tagged Sld5 subunit of the CMG helicase.

INSTRUMENT(S): Orbitrap Exploris 480

ORGANISM(S): Saccharomyces Cerevisiae (baker's Yeast)

TISSUE(S): Cell Culture

SUBMITTER: KARIM LABIB

LAB HEAD: Professor Karim Labib

PROVIDER: PXD048935 | Pride | 2025-04-09

REPOSITORIES: Pride

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			Action	DRS
	MSB68888ABand_01.raw	Raw
	MSB68888ABand_01__F205092_.mzid.gz	Mzid
	MSB68888ABand_01__F205092_.mzid_MSB68888ABand_01__F205092_.MGF	Mzid
	MSB68888ABand_02.raw	Raw
	MSB68888ABand_02__F205093_.mzid.gz	Mzid

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