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Vela‐Rodríguez C, Yang C, Alanen HI, Eki R, Abbas TA, Maksimainen MM, Glumoff T, Duman R, Wagner A, Paschal BM, Lehtiö L. Oligomerization mediated by the D2 domain of DTX3L is critical for DTX3L-PARP9 reading function of mono-ADP-ribosylated androgen receptor. Protein Sci 2024; 33:e4945. [PMID: 38511494 PMCID: PMC10955461 DOI: 10.1002/pro.4945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/07/2024] [Accepted: 02/11/2024] [Indexed: 03/22/2024]
Abstract
Deltex proteins are a family of E3 ubiquitin ligases that encode C-terminal RING and DTC domains that mediate interactions with E2 ubiquitin-conjugating enzymes and recognize ubiquitination substrates. DTX3L is unique among the Deltex proteins based on its N-terminal domain architecture. The N-terminal D1 and D2 domains of DTX3L mediate homo-oligomerization, and the D3 domain interacts with PARP9, a protein that contains tandem macrodomains with ADP-ribose reader function. While DTX3L and PARP9 are known to heterodimerize, and assemble into a high molecular weight oligomeric complex, the nature of the oligomeric structure, including whether this contributes to the ADP-ribose reader function is unknown. Here, we report a crystal structure of the DTX3L N-terminal D2 domain and show that it forms a tetramer with, conveniently, D2 symmetry. We identified two interfaces in the structure: a major, conserved interface with a surface of 973 Å2 and a smaller one of 415 Å2. Using native mass spectrometry, we observed molecular species that correspond to monomers, dimers and tetramers of the D2 domain. Reconstitution of DTX3L knockout cells with a D1-D2 deletion mutant showed the domain is dispensable for DTX3L-PARP9 heterodimer formation, but necessary to assemble an oligomeric complex with efficient reader function for ADP-ribosylated androgen receptor. Our results suggest that homo-oligomerization of DTX3L is important for the DTX3L-PARP9 complex to read mono-ADP-ribosylation on a ligand-regulated transcription factor.
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Affiliation(s)
- Carlos Vela‐Rodríguez
- Faculty of Biochemistry and Molecular Medicine & Biocenter OuluUniversity of OuluOuluFinland
| | - Chunsong Yang
- Department of Biochemistry and Molecular GeneticsUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Heli I. Alanen
- Faculty of Biochemistry and Molecular Medicine & Biocenter OuluUniversity of OuluOuluFinland
| | - Rebeka Eki
- Department of Radiation OncologyUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Tarek A. Abbas
- Department of Radiation OncologyUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Mirko M. Maksimainen
- Faculty of Biochemistry and Molecular Medicine & Biocenter OuluUniversity of OuluOuluFinland
| | - Tuomo Glumoff
- Faculty of Biochemistry and Molecular Medicine & Biocenter OuluUniversity of OuluOuluFinland
| | - Ramona Duman
- Diamond Light Source, Harwell Science and Innovation CampusDidcotUK
| | - Armin Wagner
- Diamond Light Source, Harwell Science and Innovation CampusDidcotUK
| | - Bryce M. Paschal
- Department of Biochemistry and Molecular GeneticsUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Lari Lehtiö
- Faculty of Biochemistry and Molecular Medicine & Biocenter OuluUniversity of OuluOuluFinland
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Bashyal A, Brodbelt JS. Uncommon posttranslational modifications in proteomics: ADP-ribosylation, tyrosine nitration, and tyrosine sulfation. MASS SPECTROMETRY REVIEWS 2024; 43:289-326. [PMID: 36165040 PMCID: PMC10040477 DOI: 10.1002/mas.21811] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 06/16/2023]
Abstract
Posttranslational modifications (PTMs) are covalent modifications of proteins that modulate the structure and functions of proteins and regulate biological processes. The development of various mass spectrometry-based proteomics workflows has facilitated the identification of hundreds of PTMs and aided the understanding of biological significance in a high throughput manner. Improvements in sample preparation and PTM enrichment techniques, instrumentation for liquid chromatography-tandem mass spectrometry (LC-MS/MS), and advanced data analysis tools enhance the specificity and sensitivity of PTM identification. Highly prevalent PTMs like phosphorylation, glycosylation, acetylation, ubiquitinylation, and methylation are extensively studied. However, the functions and impact of less abundant PTMs are not as well understood and underscore the need for analytical methods that aim to characterize these PTMs. This review focuses on the advancement and analytical challenges associated with the characterization of three less common but biologically relevant PTMs, specifically, adenosine diphosphate-ribosylation, tyrosine sulfation, and tyrosine nitration. The advantages and disadvantages of various enrichment, separation, and MS/MS techniques utilized to identify and localize these PTMs are described.
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Affiliation(s)
- Aarti Bashyal
- Department of Chemistry, The University of Texas at Austin, Austin, Texas, USA
| | - Jennifer S Brodbelt
- Department of Chemistry, The University of Texas at Austin, Austin, Texas, USA
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3
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Vela-Rodríguez C, Yang C, Alanen HI, Eki R, Abbas TA, Maksimainen MM, Glumoff T, Duman R, Wagner A, Paschal BM, Lehtiö L. Oligomerisation mediated by the D2 domain of DTX3L is critical for DTX3L-PARP9 reading function of mono-ADP-ribosylated androgen receptor. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.29.569193. [PMID: 38076829 PMCID: PMC10705365 DOI: 10.1101/2023.11.29.569193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
Deltex proteins are a family of E3 ubiquitin ligases that encode C-terminal RING and DTC domains that mediate interactions with E2 ubiquitin-conjugating enzymes and recognise ubiquitination substrates. DTX3L is unique among the Deltex proteins based on its N-terminal domain architecture. The N-terminal D1 and D2 domains of DTX3L mediate homo-oligomerisation, and the D3 domain interacts with PARP9, a protein that contains tandem macrodomains with ADP-ribose reader function. While DTX3L and PARP9 are known to heterodimerize, they assemble into a high molecular weight oligomeric complex, but the nature of the oligomeric structure, including whether this contributes to the ADP-ribose reader function is unknown. Here, we report a crystal structure of the DTX3L N-terminal D2 domain and show that it forms a tetramer with, conveniently, D2 symmetry. We identified two interfaces in the structure: a major, conserved interface with a surface of 973 Å2 and a smaller one of 415 Å2. Using native mass spectrometry, we observed molecular species that correspond to monomers, dimers and tetramers of the D2 domain. Reconstitution of DTX3L knockout cells with a D1-D2 deletion mutant showed the domain is dispensable for DTX3L-PARP9 heterodimer formation, but necessary to assemble an oligomeric complex with efficient reader function for ADP-ribosylated androgen receptor. Our results suggest that homo-oligomerisation of DTX3L is important for mono-ADP-ribosylation reading by the DTX3L-PARP9 complex and to a ligand-regulated transcription factor.
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Affiliation(s)
- Carlos Vela-Rodríguez
- Faculty of Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, Finland
| | - Chunsong Yang
- Department of Biochemistry and Molecular Genetics, University of Virginia, USA
| | - Heli I. Alanen
- Faculty of Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, Finland
| | - Rebeka Eki
- Department of Radiation Oncology, University of Virginia, USA
| | - Tarek A. Abbas
- Department of Radiation Oncology, University of Virginia, USA
| | - Mirko M. Maksimainen
- Faculty of Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, Finland
| | - Tuomo Glumoff
- Faculty of Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, Finland
| | - Ramona Duman
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, UK
| | - Armin Wagner
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, UK
| | - Bryce M. Paschal
- Department of Biochemistry and Molecular Genetics, University of Virginia, USA
| | - Lari Lehtiö
- Faculty of Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, Finland
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Yang C, Wierbiłowicz K, Dworak NM, Bae SY, Tengse SB, Abianeh N, Drake JM, Abbas T, Ratan A, Wotton D, Paschal BM. Induction of PARP7 Creates a Vulnerability for Growth Inhibition by RBN2397 in Prostate Cancer Cells. CANCER RESEARCH COMMUNICATIONS 2023; 3:592-606. [PMID: 37077937 PMCID: PMC10108886 DOI: 10.1158/2767-9764.crc-23-0086] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 03/11/2023]
Abstract
The ADP-ribosyltransferase PARP7 modulates protein function by conjugating ADP-ribose to the side chains of acceptor amino acids. PARP7 has been shown to affect gene expression in prostate cancer cells and certain other cell types by mechanisms that include transcription factor ADP-ribosylation. Here, we use a recently developed catalytic inhibitor to PARP7, RBN2397, to study the effects of PARP7 inhibition in androgen receptor (AR)-positive and AR-negative prostate cancer cells. We find that RBN2397 has nanomolar potency for inhibiting androgen-induced ADP-ribosylation of the AR. RBN2397 inhibits the growth of prostate cancer cells in culture when cells are treated with ligands that activate the AR, or the aryl hydrocarbon receptor, and induce PARP7 expression. We show that the growth-inhibitory effects of RBN2397 are distinct from its enhancement of IFN signaling recently shown to promote tumor immunogenicity. RBN2397 treatment also induces trapping of PARP7 in a detergent-resistant fraction within the nucleus, which is reminiscent of how inhibitors such as talazoparib affect PARP1 compartmentalization. Because PARP7 is expressed in AR-negative metastatic tumors and RBN2397 can affect cancer cells through multiple mechanisms, PARP7 may be an actionable target in advanced prostate cancer. Significance RBN2397 is a potent and selective inhibitor of PARP7 that reduces the growth of prostate cancer cells, including a model for treatment-emergent neuroendocrine prostate cancer. RBN2397 induces PARP7 trapping on chromatin, suggesting its mechanism of action might be similar to clinically used PARP1 inhibitors.
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Affiliation(s)
- Chunsong Yang
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Krzysztof Wierbiłowicz
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, Virginia
- Center for Public Health Genomics, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Natalia M. Dworak
- Advanced Microscopy Facility, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Song Yi Bae
- Department of Pharmacology, University of Minnesota, Minneapolis, Minnesota
| | - Sachi B. Tengse
- Department of Pharmacology, University of Minnesota, Minneapolis, Minnesota
| | - Nicki Abianeh
- Department of Radiation Oncology, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Justin M. Drake
- Department of Pharmacology and Urology, Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota
| | - Tarek Abbas
- Department of Radiation Oncology, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Aakrosh Ratan
- Center for Public Health Genomics, University of Virginia School of Medicine, Charlottesville, Virginia
| | - David Wotton
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Bryce M. Paschal
- Department of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, Virginia
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Yang CS, Jividen K, Kamata T, Dworak N, Oostdyk L, Remlein B, Pourfarjam Y, Kim IK, Du KP, Abbas T, Sherman NE, Wotton D, Paschal BM. Androgen signaling uses a writer and a reader of ADP-ribosylation to regulate protein complex assembly. Nat Commun 2021; 12:2705. [PMID: 33976187 PMCID: PMC8113490 DOI: 10.1038/s41467-021-23055-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 04/14/2021] [Indexed: 02/03/2023] Open
Abstract
Androgen signaling through the androgen receptor (AR) directs gene expression in both normal and prostate cancer cells. Androgen regulates multiple aspects of the AR life cycle, including its localization and post-translational modification, but understanding how modifications are read and integrated with AR activity has been difficult. Here, we show that ADP-ribosylation regulates AR through a nuclear pathway mediated by Parp7. We show that Parp7 mono-ADP-ribosylates agonist-bound AR, and that ADP-ribosyl-cysteines within the N-terminal domain mediate recruitment of the E3 ligase Dtx3L/Parp9. Molecular recognition of ADP-ribosyl-cysteine is provided by tandem macrodomains in Parp9, and Dtx3L/Parp9 modulates expression of a subset of AR-regulated genes. Parp7, ADP-ribosylation of AR, and AR-Dtx3L/Parp9 complex assembly are inhibited by Olaparib, a compound used clinically to inhibit poly-ADP-ribosyltransferases Parp1/2. Our study reveals the components of an androgen signaling axis that uses a writer and reader of ADP-ribosylation to regulate protein-protein interactions and AR activity.
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Affiliation(s)
- Chun-Song Yang
- Center for Cell Signaling, University of Virginia, Charlottesville, VA, USA
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, USA
| | - Kasey Jividen
- Center for Cell Signaling, University of Virginia, Charlottesville, VA, USA
| | - Teddy Kamata
- Center for Cell Signaling, University of Virginia, Charlottesville, VA, USA
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, USA
| | - Natalia Dworak
- Center for Cell Signaling, University of Virginia, Charlottesville, VA, USA
| | - Luke Oostdyk
- Center for Cell Signaling, University of Virginia, Charlottesville, VA, USA
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, USA
| | - Bartlomiej Remlein
- Center for Cell Signaling, University of Virginia, Charlottesville, VA, USA
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, USA
| | - Yasin Pourfarjam
- Department of Chemistry, University of Cincinnati, Cincinnati, OH, USA
| | - In-Kwon Kim
- Department of Chemistry, University of Cincinnati, Cincinnati, OH, USA
| | - Kang-Ping Du
- Department of Radiation Oncology, University of Virginia, Charlottesville, VA, USA
| | - Tarek Abbas
- Center for Cell Signaling, University of Virginia, Charlottesville, VA, USA
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, USA
- Department of Radiation Oncology, University of Virginia, Charlottesville, VA, USA
| | - Nicholas E Sherman
- W. M. Keck Biomedical Mass Spectrometry Laboratory, University of Virginia, Charlottesville, VA, USA
| | - David Wotton
- Center for Cell Signaling, University of Virginia, Charlottesville, VA, USA
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, USA
| | - Bryce M Paschal
- Center for Cell Signaling, University of Virginia, Charlottesville, VA, USA.
- Department of Biochemistry and Molecular Genetics, University of Virginia, Charlottesville, VA, USA.
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Weixler L, Schäringer K, Momoh J, Lüscher B, Feijs KLH, Žaja R. ADP-ribosylation of RNA and DNA: from in vitro characterization to in vivo function. Nucleic Acids Res 2021; 49:3634-3650. [PMID: 33693930 PMCID: PMC8053099 DOI: 10.1093/nar/gkab136] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 02/11/2021] [Accepted: 02/17/2021] [Indexed: 12/12/2022] Open
Abstract
The functionality of DNA, RNA and proteins is altered dynamically in response to physiological and pathological cues, partly achieved by their modification. While the modification of proteins with ADP-ribose has been well studied, nucleic acids were only recently identified as substrates for ADP-ribosylation by mammalian enzymes. RNA and DNA can be ADP-ribosylated by specific ADP-ribosyltransferases such as PARP1-3, PARP10 and tRNA 2'-phosphotransferase (TRPT1). Evidence suggests that these enzymes display different preferences towards different oligonucleotides. These reactions are reversed by ADP-ribosylhydrolases of the macrodomain and ARH families, such as MACROD1, TARG1, PARG, ARH1 and ARH3. Most findings derive from in vitro experiments using recombinant components, leaving the relevance of this modification in cells unclear. In this Survey and Summary, we provide an overview of the enzymes that ADP-ribosylate nucleic acids, the reversing hydrolases, and the substrates' requirements. Drawing on data available for other organisms, such as pierisin1 from cabbage butterflies and the bacterial toxin-antitoxin system DarT-DarG, we discuss possible functions for nucleic acid ADP-ribosylation in mammals. Hypothesized roles for nucleic acid ADP-ribosylation include functions in DNA damage repair, in antiviral immunity or as non-conventional RNA cap. Lastly, we assess various methods potentially suitable for future studies of nucleic acid ADP-ribosylation.
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Affiliation(s)
- Lisa Weixler
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Katja Schäringer
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Jeffrey Momoh
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Bernhard Lüscher
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Karla L H Feijs
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
| | - Roko Žaja
- Institute of Biochemistry and Molecular Biology, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
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