Regulation of SETD2 stability is important for the fidelity of H3K36me3 deposition
BACKGROUND: The histone H3K36me3 mark regulates transcription elongation, pre-mRNA splicing, DNA methylation, and DNA damage repair. However, knowledge of the regulation of the enzyme SETD2, which deposits this functionally important mark, is very limited.
RESULTS: Here, we show that the poorly characterized N-terminal region of SETD2 plays a determining role in regulating the stability of SETD2. This stretch of 1-1403 amino acids contributes to the robust degradation of SETD2 by the proteasome. Besides, the SETD2 protein is aggregate prone and forms insoluble bodies in nuclei especially upon proteasome inhibition. Removal of the N-terminal segment results in the stabilization of SETD2 and leads to a marked increase in global H3K36me3 which, uncharacteristically, happens in a Pol II-independent manner.
CONCLUSION: The functionally uncharacterized N-terminal segment of SETD2 regulates its half-life to maintain the requisite cellular amount of the protein. The absence of SETD2 proteolysis results in a Pol II-independent H3K36me3 deposition and protein aggregation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:13 |
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| Enthalten in: |
Epigenetics & chromatin - 13(2020), 1 vom: 06. Okt., Seite 40 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bhattacharya, Saikat [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 10.05.2021 Date Revised 10.05.2021 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1186/s13072-020-00362-8 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM315938277 |
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| 100 | 1 | |a Bhattacharya, Saikat |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Regulation of SETD2 stability is important for the fidelity of H3K36me3 deposition |
| 264 | 1 | |c 2020 | |
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| 500 | |a Date Completed 10.05.2021 | ||
| 500 | |a Date Revised 10.05.2021 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: The histone H3K36me3 mark regulates transcription elongation, pre-mRNA splicing, DNA methylation, and DNA damage repair. However, knowledge of the regulation of the enzyme SETD2, which deposits this functionally important mark, is very limited | ||
| 520 | |a RESULTS: Here, we show that the poorly characterized N-terminal region of SETD2 plays a determining role in regulating the stability of SETD2. This stretch of 1-1403 amino acids contributes to the robust degradation of SETD2 by the proteasome. Besides, the SETD2 protein is aggregate prone and forms insoluble bodies in nuclei especially upon proteasome inhibition. Removal of the N-terminal segment results in the stabilization of SETD2 and leads to a marked increase in global H3K36me3 which, uncharacteristically, happens in a Pol II-independent manner | ||
| 520 | |a CONCLUSION: The functionally uncharacterized N-terminal segment of SETD2 regulates its half-life to maintain the requisite cellular amount of the protein. The absence of SETD2 proteolysis results in a Pol II-independent H3K36me3 deposition and protein aggregation | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Aggregation | |
| 650 | 4 | |a Chromatin | |
| 650 | 4 | |a Histone | |
| 650 | 4 | |a Methylation | |
| 650 | 4 | |a Proteasome | |
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| 650 | 7 | |a Histone-Lysine N-Methyltransferase |2 NLM | |
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| 650 | 7 | |a SETD2 protein, human |2 NLM | |
| 650 | 7 | |a EC 2.1.1.43 |2 NLM | |
| 700 | 1 | |a Workman, Jerry L |e verfasserin |4 aut | |
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