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Binbay FA, Rathod DC, George AAP, Imhof D. Quality Assessment of Selected Protein Structures Derived from Homology Modeling and AlphaFold. Pharmaceuticals (Basel) 2023; 16:1662. [PMID: 38139789 PMCID: PMC10747200 DOI: 10.3390/ph16121662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 11/21/2023] [Accepted: 11/24/2023] [Indexed: 12/24/2023] Open
Abstract
With technology advancing, many prediction algorithms have been developed to facilitate the modeling of inherently dynamic and flexible macromolecules such as proteins. Improvements in the prediction of protein structures have attracted a great deal of attention due to the advantages they offer, e.g., in drug design. While trusted experimental methods, such as X-ray crystallography, NMR spectroscopy, and electron microscopy, are preferred structure analysis techniques, in silico approaches are also being widely used. Two computational methods, which are on opposite ends of the spectrum with respect to their modus operandi, i.e., homology modeling and AlphaFold, have been established to provide high-quality structures. Here, a comparative study of the quality of structures either predicted by homology modeling or by AlphaFold is presented based on the characteristics determined by experimental studies using structure validation servers to fulfill the purpose. Although AlphaFold is able to predict high-quality structures, high-confidence parts are sometimes observed to be in disagreement with experimental data. On the other hand, while the structures obtained from homology modeling are successful in incorporating all aspects of the experimental structure used as a template, this method may struggle to accurately model a structure in the absence of a suitable template. In general, although both methods produce high-quality models, the criteria by which they are superior to each other are different and thus discussed in detail.
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Affiliation(s)
- Furkan Ayberk Binbay
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | - Dhruv Chetanbhai Rathod
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany
| | | | - Diana Imhof
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121 Bonn, Germany
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2
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Frenay J, Bellaye PS, Oudot A, Helbling A, Petitot C, Ferrand C, Collin B, Dias AMM. IL-1RAP, a Key Therapeutic Target in Cancer. Int J Mol Sci 2022; 23:ijms232314918. [PMID: 36499246 PMCID: PMC9735758 DOI: 10.3390/ijms232314918] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/17/2022] [Accepted: 11/21/2022] [Indexed: 11/30/2022] Open
Abstract
Cancer is a major cause of death worldwide and especially in high- and upper-middle-income countries. Despite recent progress in cancer therapies, such as chimeric antigen receptor T (CAR-T) cells or antibody-drug conjugate (ADC), new targets expressed by the tumor cells need to be identified in order to selectively drive these innovative therapies to tumors. In this context, IL-1RAP recently showed great potential to become one of these new targets for cancer therapy. IL-1RAP is highly involved in the inflammation process through the interleukins 1, 33, and 36 (IL-1, IL-33, IL-36) signaling pathways. Inflammation is now recognized as a hallmark of carcinogenesis, suggesting that IL-1RAP could play a role in cancer development and progression. Furthermore, IL-1RAP was found overexpressed on tumor cells from several hematological and solid cancers, thus confirming its potential involvement in carcinogenesis. This review will first describe the structure and genetics of IL-1RAP as well as its role in tumor development. Finally, a focus will be made on the therapies based on IL-1RAP targeting, which are now under preclinical or clinical development.
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Affiliation(s)
- Jame Frenay
- Plateforme d'Imagerie et Radiothérapie Précliniques, Médecine Nucléaire, Centre Georges-François Leclerc, 21000 Dijon, France
| | - Pierre-Simon Bellaye
- Plateforme d'Imagerie et Radiothérapie Précliniques, Médecine Nucléaire, Centre Georges-François Leclerc, 21000 Dijon, France
| | - Alexandra Oudot
- Plateforme d'Imagerie et Radiothérapie Précliniques, Médecine Nucléaire, Centre Georges-François Leclerc, 21000 Dijon, France
| | - Alex Helbling
- Plateforme d'Imagerie et Radiothérapie Précliniques, Médecine Nucléaire, Centre Georges-François Leclerc, 21000 Dijon, France
| | - Camille Petitot
- Plateforme d'Imagerie et Radiothérapie Précliniques, Médecine Nucléaire, Centre Georges-François Leclerc, 21000 Dijon, France
| | - Christophe Ferrand
- INSERM UMR1098, EFS BFC, Université de Bourgogne Franche-Comté, 25000 Besançon, France
- CanCell Therapeutics, 25000 Besançon, France
| | - Bertrand Collin
- Plateforme d'Imagerie et Radiothérapie Précliniques, Médecine Nucléaire, Centre Georges-François Leclerc, 21000 Dijon, France
- Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302, 21000 Dijon, France
| | - Alexandre M M Dias
- Plateforme d'Imagerie et Radiothérapie Précliniques, Médecine Nucléaire, Centre Georges-François Leclerc, 21000 Dijon, France
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3
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Wißbrock A, Goradia NB, Kumar A, Paul George AA, Kühl T, Bellstedt P, Ramachandran R, Hoffmann P, Galler K, Popp J, Neugebauer U, Hampel K, Zimmermann B, Adam S, Wiendl M, Krönke G, Hamza I, Heinemann SH, Frey S, Hueber AJ, Ohlenschläger O, Imhof D. Structural insights into heme binding to IL-36α proinflammatory cytokine. Sci Rep 2019; 9:16893. [PMID: 31729440 PMCID: PMC6858345 DOI: 10.1038/s41598-019-53231-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 10/29/2019] [Indexed: 12/14/2022] Open
Abstract
Cytokines of the interleukin (IL)-1 family regulate immune and inflammatory responses. The recently discovered IL-36 family members are involved in psoriasis, rheumatoid arthritis, and pulmonary diseases. Here, we show that IL-36α interacts with heme thereby contributing to its regulation. Based on in-depth spectroscopic analyses, we describe two heme-binding sites in IL-36α that associate with heme in a pentacoordinated fashion. Solution NMR analysis reveals structural features of IL-36α and its complex with heme. Structural investigation of a truncated IL-36α supports the notion that the N-terminus is necessary for association with its cognate receptor. Consistent with our structural studies, IL-36-mediated signal transduction was negatively regulated by heme in synovial fibroblast-like synoviocytes from rheumatoid arthritis patients. Taken together, our results provide a structural framework for heme-binding proteins and add IL-1 cytokines to the group of potentially heme-regulated proteins.
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Affiliation(s)
- Amelie Wißbrock
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, D-53121, Bonn, Germany
| | - Nishit B Goradia
- CS Protein Production, Leibniz Institute on Aging/Fritz Lipmann Institute, D-07745, Jena, Germany.,European Molecular Biology Laboratory, D-22607, Hamburg, Germany
| | - Amit Kumar
- CS Protein Production, Leibniz Institute on Aging/Fritz Lipmann Institute, D-07745, Jena, Germany
| | - Ajay Abisheck Paul George
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, D-53121, Bonn, Germany
| | - Toni Kühl
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, D-53121, Bonn, Germany
| | - Peter Bellstedt
- Institute of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, D-07743, Jena, Germany
| | - Ramadurai Ramachandran
- CS Protein Production, Leibniz Institute on Aging/Fritz Lipmann Institute, D-07745, Jena, Germany
| | - Patrick Hoffmann
- Center for Sepsis Control and Care (CSCC), Jena University Hospital, D-07747, Jena, Germany.,Leibniz Institute of Photonic Technology (Leibniz IPHT), D-07745, Jena, Germany
| | - Kerstin Galler
- Center for Sepsis Control and Care (CSCC), Jena University Hospital, D-07747, Jena, Germany.,Leibniz Institute of Photonic Technology (Leibniz IPHT), D-07745, Jena, Germany
| | - Jürgen Popp
- Leibniz Institute of Photonic Technology (Leibniz IPHT), D-07745, Jena, Germany.,Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, D-07743, Jena, Germany
| | - Ute Neugebauer
- Center for Sepsis Control and Care (CSCC), Jena University Hospital, D-07747, Jena, Germany.,Leibniz Institute of Photonic Technology (Leibniz IPHT), D-07745, Jena, Germany.,Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, D-07743, Jena, Germany
| | | | | | - Susanne Adam
- Department of Internal Medicine 3 - Rheumatology and Immunology, University of Erlangen-Nürnberg (FAU) and University Hospital Erlangen, D-91054, Erlangen, Germany
| | - Maximilian Wiendl
- Department of Internal Medicine 3 - Rheumatology and Immunology, University of Erlangen-Nürnberg (FAU) and University Hospital Erlangen, D-91054, Erlangen, Germany
| | - Gerhard Krönke
- Department of Internal Medicine 3 - Rheumatology and Immunology, University of Erlangen-Nürnberg (FAU) and University Hospital Erlangen, D-91054, Erlangen, Germany
| | - Iqbal Hamza
- Department of Animal & Avian Sciences, University of Maryland, College Park, MD, 20742, USA.,Department of Cell Biology & Molecular Genetics, University of Maryland, College Park, MD, 20742, USA
| | - Stefan H Heinemann
- Center for Molecular Biomedicine, Department of Biophysics, Friedrich Schiller University Jena and Jena University Hospital, D-07745, Jena, Germany
| | - Silke Frey
- Department of Internal Medicine 3 - Rheumatology and Immunology, University of Erlangen-Nürnberg (FAU) and University Hospital Erlangen, D-91054, Erlangen, Germany
| | - Axel J Hueber
- Department of Internal Medicine 3 - Rheumatology and Immunology, University of Erlangen-Nürnberg (FAU) and University Hospital Erlangen, D-91054, Erlangen, Germany
| | - Oliver Ohlenschläger
- CS Protein Production, Leibniz Institute on Aging/Fritz Lipmann Institute, D-07745, Jena, Germany.
| | - Diana Imhof
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, D-53121, Bonn, Germany.
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Kumar A, Wißbrock A, Bellstedt P, Lang A, Ramachandran R, Wiedemann C, Imhof D, Ohlenschläger O. 1H, 13C, and 15N resonance assignments of the cytokine interleukin-36β isoform-2. BIOMOLECULAR NMR ASSIGNMENTS 2019; 13:155-161. [PMID: 30758717 DOI: 10.1007/s12104-018-09869-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 12/18/2018] [Indexed: 06/09/2023]
Abstract
Interleukins are cytokines performing central tasks in the human immune system. Interleukin-36β (IL-36β) is a member of the interleukin-1 superfamily as are its homologues IL-36α and IL-36γ. All of them interact with a common receptor composed of IL-36R and IL-1R/acP. IL-36 cytokines can activate IL-36R to proliferation of CD4 + lymphocytes or stimulate M2 macrophages as potently as IL-1β. Within our efforts to study the structure-function relationship of the three interleukins IL-36α, IL-36β and IL-36γ by heteronuclear multidimensional NMR, we here report the 1H, 13C, and 15N resonance assignments for the backbone and side chain nuclei of cytokine interleukin-36β isoform-2.
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Affiliation(s)
- Amit Kumar
- Leibniz Institute on Aging - Fritz Lipmann Institute, Beutenbergstr. 11, 07745, Jena, Germany
| | - Amelie Wißbrock
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany
| | - Peter Bellstedt
- Faculty of Chemistry and Earth Sciences, Friedrich Schiller University, Humboldtstr. 10, 07743, Jena, Germany
| | - Andras Lang
- Leibniz Institute on Aging - Fritz Lipmann Institute, Beutenbergstr. 11, 07745, Jena, Germany
| | - Ramadurai Ramachandran
- Leibniz Institute on Aging - Fritz Lipmann Institute, Beutenbergstr. 11, 07745, Jena, Germany
| | - Christoph Wiedemann
- Institute of Biochemistry and Biotechnology, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3a, 06120, Halle/Saale, Germany
| | - Diana Imhof
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, 53121, Bonn, Germany
| | - Oliver Ohlenschläger
- Leibniz Institute on Aging - Fritz Lipmann Institute, Beutenbergstr. 11, 07745, Jena, Germany.
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