SEL1L-HRD1 interaction is required to form a functional HRD1 ERAD complex
© 2024. The Author(s)..
The SEL1L-HRD1 protein complex represents the most conserved branch of endoplasmic reticulum (ER)-associated degradation (ERAD). Despite recent advances in both mouse models and humans, in vivo evidence for the importance of SEL1L in the ERAD complex formation and its (patho-)physiological relevance in mammals remains limited. Here we report that SEL1L variant p.Ser658Pro (SEL1LS658P) is a pathogenic hypomorphic mutation, causing partial embryonic lethality, developmental delay, and early-onset cerebellar ataxia in homozygous mice carrying the bi-allelic variant. Biochemical analyses reveal that SEL1LS658P variant not only reduces the protein stability of SEL1L, but attenuates the SEL1L-HRD1 interaction, likely via electrostatic repulsion between SEL1L F668 and HRD1 Y30 residues. Proteomic screens of SEL1L and HRD1 interactomes reveal that SEL1L-HRD1 interaction is a prerequisite for the formation of a functional HRD1 ERAD complex, as SEL1L is required for the recruitment of E2 enzyme UBE2J1 as well as DERLIN to HRD1. These data not only establish the disease relevance of SEL1L-HRD1 ERAD, but also provide additional insight into the formation of a functional HRD1 ERAD complex.
| Errataetall: | |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
Nature communications - 15(2024), 1 vom: 16. Feb., Seite 1440 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lin, Liangguang Leo [VerfasserIn] |
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| Links: |
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| Themen: |
EC 2.3.2.27 |
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| Anmerkungen: |
Date Completed 19.02.2024 Date Revised 18.04.2024 published: Electronic UpdateOf: bioRxiv. 2023 Jun 07;:. - PMID 37333389 Citation Status MEDLINE |
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| doi: |
10.1038/s41467-024-45633-0 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368559785 |
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| 245 | 1 | 0 | |a SEL1L-HRD1 interaction is required to form a functional HRD1 ERAD complex |
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| 500 | |a UpdateOf: bioRxiv. 2023 Jun 07;:. - PMID 37333389 | ||
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| 520 | |a © 2024. The Author(s). | ||
| 520 | |a The SEL1L-HRD1 protein complex represents the most conserved branch of endoplasmic reticulum (ER)-associated degradation (ERAD). Despite recent advances in both mouse models and humans, in vivo evidence for the importance of SEL1L in the ERAD complex formation and its (patho-)physiological relevance in mammals remains limited. Here we report that SEL1L variant p.Ser658Pro (SEL1LS658P) is a pathogenic hypomorphic mutation, causing partial embryonic lethality, developmental delay, and early-onset cerebellar ataxia in homozygous mice carrying the bi-allelic variant. Biochemical analyses reveal that SEL1LS658P variant not only reduces the protein stability of SEL1L, but attenuates the SEL1L-HRD1 interaction, likely via electrostatic repulsion between SEL1L F668 and HRD1 Y30 residues. Proteomic screens of SEL1L and HRD1 interactomes reveal that SEL1L-HRD1 interaction is a prerequisite for the formation of a functional HRD1 ERAD complex, as SEL1L is required for the recruitment of E2 enzyme UBE2J1 as well as DERLIN to HRD1. These data not only establish the disease relevance of SEL1L-HRD1 ERAD, but also provide additional insight into the formation of a functional HRD1 ERAD complex | ||
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| 700 | 1 | |a Wang, Huilun Helen |e verfasserin |4 aut | |
| 700 | 1 | |a Pederson, Brent |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Xiaoqiong |e verfasserin |4 aut | |
| 700 | 1 | |a Torres, Mauricio |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, You |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Zexin Jason |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xiaodan |e verfasserin |4 aut | |
| 700 | 1 | |a Mao, Hancheng |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Hui |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Linyao Elina |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Zhen |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Shengyi |e verfasserin |4 aut | |
| 700 | 1 | |a Qi, Ling |e verfasserin |4 aut | |
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