Lesson plan
CDC34
CDC34 is a gene that in humans encodes the protein Ubiquitin-conjugating enzyme E2 R1. This protein is a member of the ubiquitin-conjugating enzyme family, which catalyzes the covalent attachment of ubiquitin to other proteins. CDC34 was originally discovered by work in baker's yeast as a gene that is essential for the cell cycle. Cdc34 in yeast targets numerous substrates - notably the cyclin-dependent kinase inhibitor Sic1 - for ubiquitin-mediated protein degradation. CDC34 is required for ubiquitin-mediated degradation of cell cycle G1 regulators, and for the initiation of DNA replication.
Article summary
CDC34 is a gene that in humans encodes the protein Ubiquitin-conjugating enzyme E2 R1. This protein is a member of the ubiquitin-conjugating enzyme family, which catalyzes the covalent attachment of ubiquitin to other proteins. CDC34 was originally discovered by work in baker's yeast as a gene that is essential for the cell cycle. Cdc34 in yeast targets numerous substrates - notably the cyclin-dependent kinase inhibitor Sic1 - for ubiquitin-mediated protein degradation. CDC34 is required for ubiquitin-mediated degradation of cell cycle G1 regulators, and for the initiation of DNA replication.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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