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Wang Y, Peng M, Zhong Y, Xiong W, Zhu L, Jin X. The E3 ligase RBCK1 reduces the sensitivity of ccRCC to sunitinib through the ANKRD35-MITD1-ANXA1 axis. Oncogene 2023; 42:952-966. [PMID: 36732658 DOI: 10.1038/s41388-023-02613-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 01/23/2023] [Accepted: 01/26/2023] [Indexed: 02/04/2023]
Abstract
Despite the promise of targeted tyrosine kinase inhibitors (TKIs), such as sunitinib, in the extension of survival time in patients with clear cell renal cell carcinoma (ccRCC) progression or metastasis, the patients eventually succumb to inevitable drug resistance. Protein degradation executed by the ubiquitin-dependent proteasome system played an important role in determining the sensitivity of ccRCC to sunitinib. Here, we applied the bioinformatic analysis to identify that E3 ligase RBCK1 was elevated in the sunitinib-resistant renal cancer cell lines or patient specimens. The subsequent in vitro or in vivo studies demonstrated that RBCK1 contributed to decreasing the sensitivity of ccRCC to sunitinib. Then, we showed that inhibition of RBCK1 inactivated the AKT and MAPK signaling pathways, which might be one of the main reasons why RBCK1 induces sunitinib resistance in ccRCC cells. Mechanistically, our results indicated that RBCK1 promotes the degradation of ANKRD35 and that ANKRD35 destabilizes MITD1 by binding with SUMO2 in ccRCC cells. In addition, we showed that the RBCK1-ANKRD35-MITD1-ANXA1 axis regulates the phosphorylation of AKT and ERK and contributes to the dysregulation of sunitinib in ccRCC cells. Therefore, we identified a novel mechanism for regulating the sensitivity of sunitinib in ccRCC. Therefore, we elucidated a novel mechanism by which RBCK1 regulates sunitinib sensitivity in ccRCC.
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Affiliation(s)
- Yapeng Wang
- Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Mou Peng
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yawen Zhong
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Wei Xiong
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Liang Zhu
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China.
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China.
| | - Xin Jin
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China.
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China.
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2
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Li Z, Su P, Ding Y, Gao H, Yang H, Li X, Yang X, Xia Y, Zhang C, Fu M, Wang D, Zhang Y, Zhuo S, Zhu J, Zhuang T. RBCK1 is an endogenous inhibitor for triple negative breast cancer via hippo/YAP axis. Cell Commun Signal 2022; 20:164. [PMID: 36280829 PMCID: PMC9590148 DOI: 10.1186/s12964-022-00963-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 08/17/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Triple negative breast cancer (TNBC) is one of the most lethal breast cancer subtypes. Due to a lack of effective therapeutic targets, chemotherapy is still the main medical treatment for TNBC patients. Thus, it is important and necessary to find new therapeutic targets for TNBC. Recent genomic studies implicated the Hippo / Yap signal is over activated in TNBC, manifesting it plays a key role in TNBC carcinogenesis and cancer progression. RBCK1 was firstly identified as an important component for linear ubiquitin assembly complex (LUBAC) and facilitates NFKB signaling in immune response. Further studies showed RBCK1 also facilitated luminal type breast cancer growth and endocrine resistance via trans-activation estrogen receptor alpha. METHODS RBCK1 and YAP protein expression levels were measured by western blotting, while the mRNA levels of YAP target genes were measured by RT-PCR. RNA sequencing data were analyzed by Ingenuity Pathway Analysis. Identification of Hippo signaling activity was accomplished with luciferase assays, RT-PCR and western blotting. Protein stability assays and ubiquitin assays were used to detect YAP protein degradation. Ubiquitin-based immunoprecipitation assays were used to detect the specific ubiquitination modification on the YAP protein. RESULTS In our current study, our data revealed an opposite function for RBCK1 in TNBC progression. RBCK1 over-expression inhibited TNBC cell progression in vitro and in vivo, while RBCK1 depletion promoted TNBC cell invasion. The whole genomic expression profiling showed that RBCK1 depletion activated Hippo/YAP axis. RBCK1 depletion increased YAP protein level and Hippo target gene expression in TNBC. The molecular biology studies confirmed that RBCK1 could bind to YAP protein and enhance the stability of YAP protein by promoting YAP K48-linked poly-ubiquitination at several YAP lysine sites (K76, K204 and K321). CONCLUSION Our study revealed the multi-faced RBCK1 function in different subtypes of breast cancer patients and a promising therapeutic target for TNBC treatment. Video abstract.
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Affiliation(s)
- Zhongbo Li
- grid.412990.70000 0004 1808 322XXinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003 Henan Province People’s Republic of China
| | - Peng Su
- grid.27255.370000 0004 1761 1174Department of Pathology, Shandong University Qilu Hospital, Cheeloo College of Medicine, Shandong University, Shandong, Shandong Province People’s Republic of China
| | - Yinlu Ding
- grid.27255.370000 0004 1761 1174Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Shandong, Shandong Province People’s Republic of China
| | - Honglei Gao
- grid.416966.a0000 0004 1758 1470Department of General Surgery, Weifang People’s Hospital, Shandong, Shandong Province People’s Republic of China
| | - Huijie Yang
- grid.412990.70000 0004 1808 322XXinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003 Henan Province People’s Republic of China
| | - Xin Li
- grid.412990.70000 0004 1808 322XXinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003 Henan Province People’s Republic of China
| | - Xiao Yang
- grid.412990.70000 0004 1808 322XXinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003 Henan Province People’s Republic of China
| | - Yan Xia
- grid.412990.70000 0004 1808 322XXinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003 Henan Province People’s Republic of China
| | - Chenmiao Zhang
- grid.412990.70000 0004 1808 322XXinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003 Henan Province People’s Republic of China
| | - Mingxi Fu
- grid.412990.70000 0004 1808 322XXinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003 Henan Province People’s Republic of China
| | - Dehai Wang
- grid.27255.370000 0004 1761 1174Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Shandong, Shandong Province People’s Republic of China
| | - Ye Zhang
- grid.412990.70000 0004 1808 322XXinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003 Henan Province People’s Republic of China
| | - Shu Zhuo
- Signet Therapeutics Inc., Shenzhen, 518017 People’s Republic of China
| | - Jian Zhu
- grid.412990.70000 0004 1808 322XXinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003 Henan Province People’s Republic of China ,grid.27255.370000 0004 1761 1174Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Shandong, Shandong Province People’s Republic of China
| | - Ting Zhuang
- grid.412990.70000 0004 1808 322XXinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003 Henan Province People’s Republic of China
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Li HM, Liu X, Meng ZY, Wang L, Zhao LM, Chen H, Wang ZX, Cui H, Tang XQ, Li XH, Han WN, Bai X, Lin Y, Liu H, Zhang Y, Yang BF. Kanglexin delays heart aging by promoting mitophagy. Acta Pharmacol Sin 2022; 43:613-623. [PMID: 34035486 PMCID: PMC8888756 DOI: 10.1038/s41401-021-00686-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 04/23/2021] [Indexed: 02/07/2023] Open
Abstract
Heart aging is characterized by structural and diastolic dysfunction of the heart. However, there is still no effective drug to prevent and treat the abnormal changes in cardiac function caused by aging. Here, we present the preventive effects of emodin and its derivative Kanglexin (KLX) against heart aging. We found that the diastolic dysfunction and cardiac remodeling in mice with D-galactose (D-gal)-induced aging were markedly mitigated by KLX and emodin. In addition, the senescence of neonatal mouse cardiomyocytes induced by D-gal was also reversed by KLX and emodin treatment. However, KLX exhibited better anti-heart aging effects than emodin at the same dose. Dysregulated mitophagy was observed in aging hearts and in senescent neonatal mouse cardiomyocytes, and KLX produced a greater increase in mitophagy than emodin. The mitophagy-promoting effects of KLX and emodin were ascribed to their abilities to enhance the protein stability of Parkin, a key modulator in mitophagy, with different potencies. Molecular docking and SPR analysis demonstrated that KLX has a higher affinity for the ubiquitin-like (UBL) domain of Parkin than emodin. The UBL domain might contribute to the stabilizing effects of KLX on Parkin. In conclusion, this study identifies KLX and emodin as effective anti-heart aging drugs that activate Parkin-mediated mitophagy and outlines their putative therapeutic importance.
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Affiliation(s)
- Hui-min Li
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Xin Liu
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Zi-yu Meng
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Lei Wang
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Li-min Zhao
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Hui Chen
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Zhi-xia Wang
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Hao Cui
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Xue-qing Tang
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Xiao-han Li
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Wei-na Han
- grid.410736.70000 0001 2204 9268Department of Medicinal Chemistry and Natural Medicine Chemistry, College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Xue Bai
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Yuan Lin
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Heng Liu
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China
| | - Yong Zhang
- Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, China. .,Research Unit of Noninfectious Chronic Diseases in Frigid Zone, Chinese Academy of Medical Sciences, Harbin, 150086, China. .,Institute of Metabolic Disease, Heilongjiang Academy of Medical Science, Harbin, 150086, China.
| | - Bao-feng Yang
- grid.410736.70000 0001 2204 9268Department of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081 China ,Research Unit of Noninfectious Chronic Diseases in Frigid Zone, Chinese Academy of Medical Sciences, Harbin, 150086 China ,grid.1008.90000 0001 2179 088XDepartment of Pharmacology and Therapeutics, Melbourne School of Biomedical Sciences, Faculty of Medicine, Dentistry and Health Sciences University of Melbourne, Melbourne, Australia
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Ham SJ, Lee SY, Song S, Chung JR, Choi S, Chung J. Interaction between RING1 (R1) and the Ubiquitin-like (UBL) Domains Is Critical for the Regulation of Parkin Activity. J Biol Chem 2015; 291:1803-1816. [PMID: 26631732 DOI: 10.1074/jbc.m115.687319] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Indexed: 11/06/2022] Open
Abstract
Parkin is an E3 ligase that contains a ubiquitin-like (UBL) domain in the N terminus and an R1-in-between-ring-RING2 motif in the C terminus. We showed that the UBL domain specifically interacts with the R1 domain and negatively regulates Parkin E3 ligase activity, Parkin-dependent mitophagy, and Parkin translocation to the mitochondria. The binding between the UBL domain and the R1 domain was suppressed by carbonyl cyanide m-chlorophenyl hydrazone treatment or by expression of PTEN-induced putative kinase 1 (PINK1), an upstream kinase that phosphorylates Parkin at the Ser-65 residue of the UBL domain. Moreover, we demonstrated that phosphorylation of the UBL domain at Ser-65 prevents its binding to the R1 domain and promotes Parkin activities. We further showed that mitochondrial translocation of Parkin, which depends on phosphorylation at Ser-65, and interaction between the R1 domain and a mitochondrial outer membrane protein, VDAC1, are suppressed by binding of the UBL domain to the R1 domain. Interestingly, Parkin with missense mutations associated with Parkinson disease (PD) in the UBL domain, such as K27N, R33Q, and A46P, did not translocate to the mitochondria and induce E3 ligase activity by m-chlorophenyl hydrazone treatment, which correlated with the interaction between the R1 domain and the UBL domain with those PD mutations. These findings provide a molecular mechanism of how Parkin recruitment to the mitochondria and Parkin activation as an E3 ubiquitin ligase are regulated by PINK1 and explain the previously unknown mechanism of how Parkin mutations in the UBL domain cause PD pathogenesis.
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Affiliation(s)
- Su Jin Ham
- From the Interdisciplinary Graduate Program in Genetic Engineering,; National Creative Research Initiatives Center for Energy Homeostasis Regulation,; Institute of Molecular Biology and Genetics, and
| | - Soo Young Lee
- National Creative Research Initiatives Center for Energy Homeostasis Regulation,; Institute of Molecular Biology and Genetics, and
| | - Saera Song
- National Creative Research Initiatives Center for Energy Homeostasis Regulation,; Institute of Molecular Biology and Genetics, and
| | - Ju-Ryung Chung
- School of Biological Sciences, Seoul National University, Seoul 51-742, Republic of Korea
| | - Sekyu Choi
- National Creative Research Initiatives Center for Energy Homeostasis Regulation,; Institute of Molecular Biology and Genetics, and
| | - Jongkyeong Chung
- From the Interdisciplinary Graduate Program in Genetic Engineering,; National Creative Research Initiatives Center for Energy Homeostasis Regulation,; Institute of Molecular Biology and Genetics, and; School of Biological Sciences, Seoul National University, Seoul 51-742, Republic of Korea.
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5
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Abstract
The RBR (RING-BetweenRING-RING) or TRIAD [two RING fingers and a DRIL (double RING finger linked)] E3 ubiquitin ligases comprise a group of 12 complex multidomain enzymes. This unique family of E3 ligases includes parkin, whose dysfunction is linked to the pathogenesis of early-onset Parkinson's disease, and HOIP (HOIL-1-interacting protein) and HOIL-1 (haem-oxidized IRP2 ubiquitin ligase 1), members of the LUBAC (linear ubiquitin chain assembly complex). The RBR E3 ligases share common features with both the larger RING and HECT (homologous with E6-associated protein C-terminus) E3 ligase families, directly catalysing ubiquitin transfer from an intrinsic catalytic cysteine housed in the C-terminal domain, as well as recruiting thioester-bound E2 enzymes via a RING domain. Recent three-dimensional structures and biochemical findings of the RBRs have revealed novel protein domain folds not previously envisioned and some surprising modes of regulation that have raised many questions. This has required renaming two of the domains in the RBR E3 ligases to more accurately reflect their structures and functions: the C-terminal Rcat (required-for-catalysis) domain, essential for catalytic activity, and a central BRcat (benign-catalytic) domain that adopts the same fold as the Rcat, but lacks a catalytic cysteine residue and ubiquitination activity. The present review discusses how three-dimensional structures of RBR (RING1-BRcat-Rcat) E3 ligases have provided new insights into our understanding of the biochemical mechanisms of these important enzymes in ubiquitin biology.
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Spratt DE, Martinez-Torres RJ, Noh YJ, Mercier P, Manczyk N, Barber KR, Aguirre JD, Burchell L, Purkiss A, Walden H, Shaw GS. A molecular explanation for the recessive nature of parkin-linked Parkinson's disease. Nat Commun 2013; 4:1983. [PMID: 23770917 PMCID: PMC3709501 DOI: 10.1038/ncomms2983] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2013] [Accepted: 05/03/2013] [Indexed: 12/12/2022] Open
Abstract
Mutations in the park2 gene, encoding the RING-inBetweenRING-RING E3 ubiquitin ligase parkin, cause 50% of autosomal recessive juvenile Parkinsonism cases. More than 70 known pathogenic mutations occur throughout parkin, many of which cluster in the inhibitory amino-terminal ubiquitin-like domain, and the carboxy-terminal RING2 domain that is indispensable for ubiquitin transfer. A structural rationale showing how autosomal recessive juvenile Parkinsonism mutations alter parkin function is still lacking. Here we show that the structure of parkin RING2 is distinct from canonical RING E3 ligases and lacks key elements required for E2-conjugating enzyme recruitment. Several pathogenic mutations in RING2 alter the environment of a single surface-exposed catalytic cysteine to inhibit ubiquitination. Native parkin adopts a globular inhibited conformation in solution facilitated by the association of the ubiquitin-like domain with the RING-inBetweenRING-RING C-terminus. Autosomal recessive juvenile Parkinsonism mutations disrupt this conformation. Finally, parkin autoubiquitinates only in cis, providing a molecular explanation for the recessive nature of autosomal recessive juvenile Parkinsonism.
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Affiliation(s)
- Donald E Spratt
- Department of Biochemistry, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada N6A 5C1
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