Regulation of repair by the 26S proteasome

K. Sweder, K. Madura

Research output: Contribution to journalReview article

38 Citations (Scopus)

Abstract

Cellular processes such as transcription and DNA repair may be regulated through diverse mechanisms, including RNA synthesis, protein synthesis, posttranslational modification and protein degradation. The 26S proteasome, which is responsible for degrading a broad spectrum of proteins, has been shown to interact with several nucleotide excision repair proteins, including xeroderma pigmentosum B protein (XPB), Rad4, and Rad23. Rad4 and Rad23 form a complex that binds preferentially to UV-damaged DNA. The 26S proteasome may regulate repair by degrading DNA repair proteins after repair is completed or, alternatively, the proteasome may act as a molecular chaperone to promote disassembly of the repair complex. In either case, the interaction between the proteasome and nucleotide excision repair depends on proteins like Rad23 that bind ubiquitin-conjugated proteins and the proteasome. While the iteration between Rad4 and Rad23 is well established, it will be interesting to determine what other proteins are regulated in a Rad23-dependent manner.

Original languageEnglish (US)
Pages (from-to)94-105
Number of pages12
JournalJournal of Biomedicine and Biotechnology
Volume2002
Issue number2
DOIs
StatePublished - Dec 1 2002

Fingerprint

Repair
DNA Repair
Proteasome Endopeptidase Complex
Proteins
DNA
Nucleotides
Xeroderma Pigmentosum
Molecular Chaperones
Post Translational Protein Processing
Ubiquitin
ATP dependent 26S protease
Transcription
Proteolysis
RNA
Degradation

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Molecular Medicine
  • Molecular Biology
  • Genetics
  • Health, Toxicology and Mutagenesis

Cite this

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abstract = "Cellular processes such as transcription and DNA repair may be regulated through diverse mechanisms, including RNA synthesis, protein synthesis, posttranslational modification and protein degradation. The 26S proteasome, which is responsible for degrading a broad spectrum of proteins, has been shown to interact with several nucleotide excision repair proteins, including xeroderma pigmentosum B protein (XPB), Rad4, and Rad23. Rad4 and Rad23 form a complex that binds preferentially to UV-damaged DNA. The 26S proteasome may regulate repair by degrading DNA repair proteins after repair is completed or, alternatively, the proteasome may act as a molecular chaperone to promote disassembly of the repair complex. In either case, the interaction between the proteasome and nucleotide excision repair depends on proteins like Rad23 that bind ubiquitin-conjugated proteins and the proteasome. While the iteration between Rad4 and Rad23 is well established, it will be interesting to determine what other proteins are regulated in a Rad23-dependent manner.",
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Regulation of repair by the 26S proteasome. / Sweder, K.; Madura, K.

In: Journal of Biomedicine and Biotechnology, Vol. 2002, No. 2, 01.12.2002, p. 94-105.

Research output: Contribution to journalReview article

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