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Rudenko AY, Mariasina SS, Bolikhova AK, Nikulin MV, Ozhiganov RM, Vasil'ev VG, Ikhalaynen YA, Khandazhinskaya AL, Khomutov MA, Sergiev PV, Khomutov AR, Polshakov VI. Organophosphorus S-adenosyl- L-methionine mimetics: synthesis, stability, and substrate properties. Front Chem 2024; 12:1448747. [PMID: 39148665 PMCID: PMC11325224 DOI: 10.3389/fchem.2024.1448747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Accepted: 07/11/2024] [Indexed: 08/17/2024] Open
Abstract
S-Adenosyl-l-methionine (SAM)-mediated methylation of biomolecules controls their function and regulates numerous vital intracellular processes. Analogs of SAM with a reporter group in place of the S-methyl group are widely used to study these processes. However, many of these analogs are chemically unstable that largely limits their practical application. We have developed a new compound, SAM-P H , which contains an H-phosphinic group (-P(O)(H)OH) instead of the SAM carboxylic group. SAM-P H is significantly more stable than SAM, retains functional activity in catechol-O-methyltransferase and methyltransferase WBSCR27 reactions. The last is associated with Williams-Beuren syndrome. Rac-SAM-P H was synthesized chemically, while (R,S)-SAM-P H and its analogs were prepared enzymatically either from H-phosphinic analogs of methionine (Met-PH) or H-phosphinic analog of S-adenosyl-l-homocysteine (SAH-P H ) using methionine adenosyltransferase 2A or halide methyltransferases, respectively. SAH-P H undergoes glycoside bond cleavage in the presence of methylthioadenosine nucleosidase like natural SAH. Thus, SAM-P H and its analogs are promising new tools for investigating methyltransferases and incorporating reporter groups into their substrates.
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Affiliation(s)
- Alexander Yu Rudenko
- Belozersky Institute of Physico-Chemical Biology, M. V. Lomonosov Moscow State University, Moscow, Russia
- Faculty of Fundamental Medicine, M. V. Lomonosov Moscow State University, Moscow, Russia
| | - Sofia S Mariasina
- Belozersky Institute of Physico-Chemical Biology, M. V. Lomonosov Moscow State University, Moscow, Russia
- Faculty of Fundamental Medicine, M. V. Lomonosov Moscow State University, Moscow, Russia
- Chemistry Department, M. V. Lomonosov Moscow State University, Moscow, Russia
- Research and Educational Resource Center "Pharmacy", RUDN University, Moscow, Russia
| | - Anastasiia K Bolikhova
- Belozersky Institute of Physico-Chemical Biology, M. V. Lomonosov Moscow State University, Moscow, Russia
- Chemistry Department, M. V. Lomonosov Moscow State University, Moscow, Russia
| | - Maxim V Nikulin
- Belozersky Institute of Physico-Chemical Biology, M. V. Lomonosov Moscow State University, Moscow, Russia
| | - Ratislav M Ozhiganov
- Belozersky Institute of Physico-Chemical Biology, M. V. Lomonosov Moscow State University, Moscow, Russia
- Higher Chemical College RAS, Mendeleev University of Chemical Technology, Moscow, Russia
| | - Vasiliy G Vasil'ev
- Research and Educational Resource Center "Pharmacy", RUDN University, Moscow, Russia
| | - Yuri A Ikhalaynen
- Chemistry Department, M. V. Lomonosov Moscow State University, Moscow, Russia
| | | | - Maxim A Khomutov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Peter V Sergiev
- Belozersky Institute of Physico-Chemical Biology, M. V. Lomonosov Moscow State University, Moscow, Russia
- Chemistry Department, M. V. Lomonosov Moscow State University, Moscow, Russia
| | - Alex R Khomutov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Vladimir I Polshakov
- Faculty of Fundamental Medicine, M. V. Lomonosov Moscow State University, Moscow, Russia
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2
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Guo Q, Morinaka BI. Accessing and exploring the unusual chemistry by radical SAM-RiPP enzymes. Curr Opin Chem Biol 2024; 81:102483. [PMID: 38917731 DOI: 10.1016/j.cbpa.2024.102483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 06/02/2024] [Accepted: 06/02/2024] [Indexed: 06/27/2024]
Abstract
Radical SAM enzymes involved in the biosynthesis of ribosomally synthesized and post-translationally modified peptides catalyze unusual transformations that lead to unique peptide scaffolds and building blocks. Several natural products from these pathways show encouraging antimicrobial activities and represent next-generation therapeutics for infectious diseases. These systems are uniquely configured to benefit from genome-mining approaches because minimal substrate and cognate modifying enzyme expression can reveal unique, chemically complex transformations that outperform late-stage chemical reactions. This report highlights the main strategies used to reveal these enzymatic transformations, which have relied mainly on genome mining using enzyme-first approaches. We describe the general biosynthetic components for rSAM enzymes and highlight emerging approaches that may broaden the discovery and study of rSAM-RiPP enzymes. The large number of uncharacterized rSAM proteins, coupled with their unpredictable transformations, will continue to be an essential and exciting resource for enzyme discovery.
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Affiliation(s)
- Qianqian Guo
- Department of Pharmacy and Pharmaceutical Sciences, Faculty of Science, National University of Singapore, Singapore
| | - Brandon I Morinaka
- Department of Pharmacy and Pharmaceutical Sciences, Faculty of Science, National University of Singapore, Singapore.
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3
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Schröder MP, Pfeiffer IPM, Mordhorst S. Methyltransferases from RiPP pathways: shaping the landscape of natural product chemistry. Beilstein J Org Chem 2024; 20:1652-1670. [PMID: 39076295 PMCID: PMC11285071 DOI: 10.3762/bjoc.20.147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 06/28/2024] [Indexed: 07/31/2024] Open
Abstract
This review article aims to highlight the role of methyltransferases within the context of ribosomally synthesised and post-translationally modified peptide (RiPP) natural products. Methyltransferases play a pivotal role in the biosynthesis of diverse natural products with unique chemical structures and bioactivities. They are highly chemo-, regio-, and stereoselective allowing methylation at various positions. The different possible acceptor regions in ribosomally synthesised peptides are described in this article. Furthermore, we will discuss the potential application of these methyltransferases as powerful biocatalytic tools in the synthesis of modified peptides and other bioactive compounds. By providing an overview of the various methylation options available, this review is intended to emphasise the biocatalytic potential of RiPP methyltransferases and their impact on the field of natural product chemistry.
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Affiliation(s)
- Maria-Paula Schröder
- Pharmaceutical Institute, Department of Pharmaceutical Biology, University of Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
| | - Isabel P-M Pfeiffer
- Pharmaceutical Institute, Department of Pharmaceutical Biology, University of Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
| | - Silja Mordhorst
- Pharmaceutical Institute, Department of Pharmaceutical Biology, University of Tübingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany
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4
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Jalali E, Wang F, Overbay BR, Miller MD, Shaaban KA, Ponomareva LV, Ye Q, Saghaeiannejad-Esfahani H, Bhardwaj M, Steele AD, Teijaro CN, Shen B, Van Lanen SG, She QB, Voss SR, Phillips GN, Thorson JS. Biochemical and Structural Studies of the Carminomycin 4- O-Methyltransferase DnrK. JOURNAL OF NATURAL PRODUCTS 2024; 87:798-809. [PMID: 38412432 DOI: 10.1021/acs.jnatprod.3c00947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
Structural and functional studies of the carminomycin 4-O-methyltransferase DnrK are described, with an emphasis on interrogating the acceptor substrate scope of DnrK. Specifically, the evaluation of 100 structurally and functionally diverse natural products and natural product mimetics revealed an array of pharmacophores as productive DnrK substrates. Representative newly identified DnrK substrates from this study included anthracyclines, angucyclines, anthraquinone-fused enediynes, flavonoids, pyranonaphthoquinones, and polyketides. The ligand-bound structure of DnrK bound to a non-native fluorescent hydroxycoumarin acceptor, 4-methylumbelliferone, along with corresponding DnrK kinetic parameters for 4-methylumbelliferone and native acceptor carminomycin are also reported for the first time. The demonstrated unique permissivity of DnrK highlights the potential for DnrK as a new tool in future biocatalytic and/or strain engineering applications. In addition, the comparative bioactivity assessment (cancer cell line cytotoxicity, 4E-BP1 phosphorylation, and axolotl embryo tail regeneration) of a select set of DnrK substrates/products highlights the ability of anthracycline 4-O-methylation to dictate diverse functional outcomes.
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Affiliation(s)
| | - Fengbin Wang
- Department of Biosciences, Rice University, Houston, Texas 77030, United States
| | | | - Mitchell D Miller
- Department of Biosciences, Rice University, Houston, Texas 77030, United States
| | | | | | - Qing Ye
- Markey Cancer Center, Department of Pharmacology and Nutritional Sciences, College of Medicine, University of Kentucky, Lexington, Kentucky 40536, United States
| | | | | | | | | | | | | | - Qing-Bai She
- Markey Cancer Center, Department of Pharmacology and Nutritional Sciences, College of Medicine, University of Kentucky, Lexington, Kentucky 40536, United States
| | - S Randal Voss
- Department of Neuroscience, University of Kentucky, Lexington, Kentucky 40536, United States
- Ambystoma Genetic Stock Center, University of Kentucky, Lexington, Kentucky 40536, United States
- Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, Kentucky 40536, United States
| | - George N Phillips
- Department of Biosciences, Rice University, Houston, Texas 77030, United States
- Department of Chemistry, Rice University, Houston, Texas 77030, United States
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5
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Koeppl LH, Popadić D, Saleem-Batcha R, Germer P, Andexer JN. Structure, function and substrate preferences of archaeal S-adenosyl-L-homocysteine hydrolases. Commun Biol 2024; 7:380. [PMID: 38548921 PMCID: PMC10978960 DOI: 10.1038/s42003-024-06078-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 03/20/2024] [Indexed: 04/01/2024] Open
Abstract
S-Adenosyl-L-homocysteine hydrolase (SAHH) reversibly cleaves S-adenosyl-L-homocysteine, the product of S-adenosyl-L-methionine-dependent methylation reactions. The conversion of S-adenosyl-L-homocysteine into adenosine and L-homocysteine plays an important role in the regulation of the methyl cycle. An alternative metabolic route for S-adenosyl-L-methionine regeneration in the extremophiles Methanocaldococcus jannaschii and Thermotoga maritima has been identified, featuring the deamination of S-adenosyl-L-homocysteine to S-inosyl-L-homocysteine. Herein, we report the structural characterisation of different archaeal SAHHs together with a biochemical analysis of various SAHHs from all three domains of life. Homologues deriving from the Euryarchaeota phylum show a higher conversion rate with S-inosyl-L-homocysteine compared to S-adenosyl-L-homocysteine. Crystal structures of SAHH originating from Pyrococcus furiosus in complex with SLH and inosine as ligands, show architectural flexibility in the active site and offer deeper insights into the binding mode of hypoxanthine-containing substrates. Altogether, the findings of our study support the understanding of an alternative metabolic route for S-adenosyl-L-methionine and offer insights into the evolutionary progression and diversification of SAHHs involved in methyl and purine salvage pathways.
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Affiliation(s)
- Lars-Hendrik Koeppl
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstr. 25, 79104, Freiburg, Germany
| | - Désirée Popadić
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstr. 25, 79104, Freiburg, Germany
| | - Raspudin Saleem-Batcha
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstr. 25, 79104, Freiburg, Germany
| | - Philipp Germer
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstr. 25, 79104, Freiburg, Germany
| | - Jennifer N Andexer
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstr. 25, 79104, Freiburg, Germany.
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6
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Lv Y, Chang J, Zhang W, Dong H, Chen S, Wang X, Zhao A, Zhang S, Alam MA, Wang S, Du C, Xu J, Wang W, Xu P. Improving Microbial Cell Factory Performance by Engineering SAM Availability. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:3846-3871. [PMID: 38372640 DOI: 10.1021/acs.jafc.3c09561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Methylated natural products are widely spread in nature. S-Adenosyl-l-methionine (SAM) is the secondary abundant cofactor and the primary methyl donor, which confer natural products with structural and functional diversification. The increasing demand for SAM-dependent natural products (SdNPs) has motivated the development of microbial cell factories (MCFs) for sustainable and efficient SdNP production. Insufficient and unsustainable SAM availability hinders the improvement of SdNP MCF performance. From the perspective of developing MCF, this review summarized recent understanding of de novo SAM biosynthesis and its regulatory mechanism. SAM is just the methyl mediator but not the original methyl source. Effective and sustainable methyl source supply is critical for efficient SdNP production. We compared and discussed the innate and relatively less explored alternative methyl sources and identified the one involving cheap one-carbon compound as more promising. The SAM biosynthesis is synergistically regulated on multilevels and is tightly connected with ATP and NAD(P)H pools. We also covered the recent advancement of metabolic engineering in improving intracellular SAM availability and SdNP production. Dynamic regulation is a promising strategy to achieve accurate and dynamic fine-tuning of intracellular SAM pool size. Finally, we discussed the design and engineering constraints underlying construction of SAM-responsive genetic circuits and envisioned their future applications in developing SdNP MCFs.
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Affiliation(s)
- Yongkun Lv
- School of Chemical Engineering, Zhengzhou University, No. 100 Science Avenue, Zhengzhou 450001, China
| | - Jinmian Chang
- School of Chemical Engineering, Zhengzhou University, No. 100 Science Avenue, Zhengzhou 450001, China
| | - Weiping Zhang
- Bloomage Biotechnology Corporation Limited, 678 Tianchen Street, Jinan, Shandong 250101, China
| | - Hanyu Dong
- School of Chemical Engineering, Zhengzhou University, No. 100 Science Avenue, Zhengzhou 450001, China
| | - Song Chen
- School of Chemical Engineering, Zhengzhou University, No. 100 Science Avenue, Zhengzhou 450001, China
| | - Xian Wang
- School of Chemical Engineering, Zhengzhou University, No. 100 Science Avenue, Zhengzhou 450001, China
| | - Anqi Zhao
- School of Life Sciences, Zhengzhou University, No. 100 Science Avenue, Zhengzhou, 450001, China
| | - Shen Zhang
- School of Chemical Engineering, Zhengzhou University, No. 100 Science Avenue, Zhengzhou 450001, China
| | - Md Asraful Alam
- School of Chemical Engineering, Zhengzhou University, No. 100 Science Avenue, Zhengzhou 450001, China
| | - Shilei Wang
- School of Chemical Engineering, Zhengzhou University, No. 100 Science Avenue, Zhengzhou 450001, China
| | - Chaojun Du
- Nanyang Research Institute of Zhengzhou University, Nanyang Institute of Technology, No. 80 Changjiang Road, Nanyang 473004, China
| | - Jingliang Xu
- School of Chemical Engineering, Zhengzhou University, No. 100 Science Avenue, Zhengzhou 450001, China
- National Key Laboratory of Biobased Transportation Fuel Technology, No. 100 Science Avenue, Zhengzhou 450001, China
| | - Weigao Wang
- Department of Chemical Engineering, Stanford University, 443 Via Ortega, Palo Alto, California 94305, United States
| | - Peng Xu
- Department of Chemical Engineering, Guangdong Technion-Israel Institute of Technology (GTIIT), Shantou, Guangdong 515063, China
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7
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Bou Ghanem A, Hussayni Y, Kadbey R, Ratel Y, Yehya S, Khouzami L, Ghadieh HE, Kanaan A, Azar S, Harb F. Exploring the complexities of 1C metabolism: implications in aging and neurodegenerative diseases. Front Aging Neurosci 2024; 15:1322419. [PMID: 38239489 PMCID: PMC10794399 DOI: 10.3389/fnagi.2023.1322419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 12/11/2023] [Indexed: 01/22/2024] Open
Abstract
The intricate interplay of one-carbon metabolism (OCM) with various cellular processes has garnered substantial attention due to its fundamental implications in several biological processes. OCM serves as a pivotal hub for methyl group donation in vital biochemical reactions, influencing DNA methylation, protein synthesis, and redox balance. In the context of aging, OCM dysregulation can contribute to epigenetic modifications and aberrant redox states, accentuating cellular senescence and age-associated pathologies. Furthermore, OCM's intricate involvement in cancer progression is evident through its capacity to provide essential one-carbon units crucial for nucleotide synthesis and DNA methylation, thereby fueling uncontrolled cell proliferation and tumor development. In neurodegenerative disorders like Alzheimer's and Parkinson's, perturbations in OCM pathways are implicated in the dysregulation of neurotransmitter synthesis and mitochondrial dysfunction, contributing to disease pathophysiology. This review underscores the profound impact of OCM in diverse disease contexts, reinforcing the need for a comprehensive understanding of its molecular complexities to pave the way for targeted therapeutic interventions across inflammation, aging and neurodegenerative disorders.
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Affiliation(s)
- Ayman Bou Ghanem
- Faculty of Medicine and Medical Sciences, University of Balamand, Tripoli, Lebanon
| | - Yaman Hussayni
- Faculty of Medicine and Medical Sciences, University of Balamand, Tripoli, Lebanon
| | - Raghid Kadbey
- Faculty of Medicine and Medical Sciences, University of Balamand, Tripoli, Lebanon
| | - Yara Ratel
- Faculty of Medicine and Medical Sciences, University of Balamand, Tripoli, Lebanon
| | - Shereen Yehya
- Faculty of Medicine and Medical Sciences, University of Balamand, Tripoli, Lebanon
| | - Lara Khouzami
- College of Natural and Health Sciences, Zayed University, Dubai, United Arab Emirates
| | - Hilda E. Ghadieh
- Faculty of Medicine and Medical Sciences, University of Balamand, Tripoli, Lebanon
- AUB Diabetes, American University of Beirut Medical Center, Beirut, Lebanon
| | - Amjad Kanaan
- Faculty of Medicine and Medical Sciences, University of Balamand, Tripoli, Lebanon
| | - Sami Azar
- Faculty of Medicine and Medical Sciences, University of Balamand, Tripoli, Lebanon
| | - Frederic Harb
- Faculty of Medicine and Medical Sciences, University of Balamand, Tripoli, Lebanon
- AUB Diabetes, American University of Beirut Medical Center, Beirut, Lebanon
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8
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Gao Y, Li F, Luo Z, Deng Z, Zhang Y, Yuan Z, Liu C, Rao Y. Modular assembly of an artificially concise biocatalytic cascade for the manufacture of phenethylisoquinoline alkaloids. Nat Commun 2024; 15:30. [PMID: 38167860 PMCID: PMC10761944 DOI: 10.1038/s41467-023-44420-7] [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: 09/18/2023] [Accepted: 12/13/2023] [Indexed: 01/05/2024] Open
Abstract
Plant-derived alkaloids are an important class of pharmaceuticals. However, they still rely on phytoextraction to meet their diverse market demands. Since multistep biocatalytic cascades have begun to revolutionize the manufacture of natural or unnatural products, to address the synthetic challenges of alkaloids, herein we establish an artificially concise four-enzyme biocatalytic cascade with avoiding plant-derived P450 modification for synthesizing phenethylisoquinoline alkaloids (PEIAs) after enzyme discovery and enzyme engineering. Efficient biosynthesis of diverse natural and unnatural PEIAs is realized from readily available substrates. Most importantly, the scale-up preparation of the colchicine precursor (S)-autumnaline with a high titer is achieved after replacing the rate-limiting O-methylation by the plug-and-play strategy. This study not only streamlines future engineering endeavors for colchicine biosynthesis, but also provides a paradigm for constructing more artificial biocatalytic cascades for the manufacture of diverse alkaloids through synthetic biology.
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Affiliation(s)
- Yue Gao
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, PR China
| | - Fei Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, PR China
| | - Zhengshan Luo
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, PR China
| | - Zhiwei Deng
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, PR China
| | - Yan Zhang
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, 214122, PR China
| | - Zhenbo Yuan
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, PR China
| | - Changmei Liu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, PR China
| | - Yijian Rao
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, PR China.
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9
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Grandi E, Feyza Özgen F, Schmidt S, Poelarends GJ. Enzymatic Oxy- and Amino-Functionalization in Biocatalytic Cascade Synthesis: Recent Advances and Future Perspectives. Angew Chem Int Ed Engl 2023; 62:e202309012. [PMID: 37639631 DOI: 10.1002/anie.202309012] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/27/2023] [Accepted: 08/28/2023] [Indexed: 08/31/2023]
Abstract
Biocatalytic cascades are a powerful tool for building complex molecules containing oxygen and nitrogen functionalities. Moreover, the combination of multiple enzymes in one pot offers the possibility to minimize downstream processing and waste production. In this review, we illustrate various recent efforts in the development of multi-step syntheses involving C-O and C-N bond-forming enzymes to produce high value-added compounds, such as pharmaceuticals and polymer precursors. Both in vitro and in vivo examples are discussed, revealing the respective advantages and drawbacks. The use of engineered enzymes to boost the cascades outcome is also addressed and current co-substrate and cofactor recycling strategies are presented, highlighting the importance of atom economy. Finally, tools to overcome current challenges for multi-enzymatic oxy- and amino-functionalization reactions are discussed, including flow systems with immobilized biocatalysts and cascades in confined nanomaterials.
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Affiliation(s)
- Eleonora Grandi
- Department of Chemical and Pharmaceutical Biology, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Fatma Feyza Özgen
- Department of Chemical and Pharmaceutical Biology, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Sandy Schmidt
- Department of Chemical and Pharmaceutical Biology, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Gerrit J Poelarends
- Department of Chemical and Pharmaceutical Biology, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
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10
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Benčić P, Keppler M, Kuge M, Qiu D, Schütte LM, Häner M, Strack K, Jessen HJ, Andexer JN, Loenarz C. Non-canonical nucleosides: Biomimetic triphosphorylation, incorporation into mRNA and effects on translation and structure. FEBS J 2023; 290:4899-4920. [PMID: 37329249 DOI: 10.1111/febs.16889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 04/24/2023] [Accepted: 06/14/2023] [Indexed: 06/18/2023]
Abstract
Recent advances in mRNA therapeutics demand efficient toolkits for the incorporation of nucleoside analogues into mRNA suitable for downstream applications. Herein, we report the application of a versatile enzyme cascade for the triphosphorylation of a broad range of nucleoside analogues, including unprotected nucleobases containing chemically labile moieties. Our biomimetic system was suitable for the preparation of nucleoside triphosphates containing adenosine, cytidine, guanosine, uridine and non-canonical core structures, as determined by capillary electrophoresis coupled to mass spectrometry. This enabled us to establish an efficient workflow for transcribing and purifying functional mRNA containing these nucleoside analogues, combined with mass spectrometric verification of analogue incorporation. Our combined methodology allows for analyses of how incorporation of nucleoside analogues that are commercially unavailable as triphosphates affect mRNA properties: The translational fidelity of the produced mRNA was demonstrated in analyses of how incorporated adenosine analogues impact translational recoding. For the SARS-CoV-2 frameshifting site, analyses of the mRNA pseudoknot structure using circular dichroism spectroscopy allowed insight into how the pharmacologically active 7-deazaadenosine destabilises RNA secondary structure, consistent with observed changes in recoding efficiency.
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Affiliation(s)
- Patricia Benčić
- Institute of Pharmaceutical Sciences, University of Freiburg, Germany
| | - Michael Keppler
- Institute of Pharmaceutical Sciences, University of Freiburg, Germany
| | - Marco Kuge
- Institute of Pharmaceutical Sciences, University of Freiburg, Germany
| | - Danye Qiu
- Institute of Organic Chemistry, University of Freiburg, Germany
| | - Lena M Schütte
- Institute of Pharmaceutical Sciences, University of Freiburg, Germany
| | - Markus Häner
- Institute of Organic Chemistry, University of Freiburg, Germany
| | - Katharina Strack
- Institute of Pharmaceutical Sciences, University of Freiburg, Germany
| | | | | | - Christoph Loenarz
- Institute of Pharmaceutical Sciences, University of Freiburg, Germany
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11
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Abstract
The ability to site-selectively modify equivalent functional groups in a molecule has the potential to streamline syntheses and increase product yields by lowering step counts. Enzymes catalyze site-selective transformations throughout primary and secondary metabolism, but leveraging this capability for non-native substrates and reactions requires a detailed understanding of the potential and limitations of enzyme catalysis and how these bounds can be extended by protein engineering. In this review, we discuss representative examples of site-selective enzyme catalysis involving functional group manipulation and C-H bond functionalization. We include illustrative examples of native catalysis, but our focus is on cases involving non-native substrates and reactions often using engineered enzymes. We then discuss the use of these enzymes for chemoenzymatic transformations and target-oriented synthesis and conclude with a survey of tools and techniques that could expand the scope of non-native site-selective enzyme catalysis.
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Affiliation(s)
- Dibyendu Mondal
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Harrison M Snodgrass
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Christian A Gomez
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
| | - Jared C Lewis
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
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12
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Mohr MKF, Saleem-Batcha R, Cornelissen NV, Andexer JN. Enzymatic Synthesis of l-Methionine Analogues and Application in a Methyltransferase Catalysed Alkylation Cascade. Chemistry 2023; 29:e202301503. [PMID: 37235813 DOI: 10.1002/chem.202301503] [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: 05/12/2023] [Revised: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 05/28/2023]
Abstract
Chemical modification of small molecules is a key step for the development of pharmaceuticals. S-adenosyl-l-methionine (SAM) analogues are used by methyltransferases (MTs) to transfer alkyl, allyl and benzyl moieties chemo-, stereo- and regioselectively onto nucleophilic substrates, enabling an enzymatic way for specific derivatisation of a wide range of molecules. l-Methionine analogues are required for the synthesis of SAM analogues. Most of these are not commercially available. In nature, O-acetyl-l-homoserine sulfhydrolases (OAHS) catalyse the synthesis of l-methionine from O-acetyl-l-homoserine or l-homocysteine, and methyl mercaptan. Here, we investigated the substrate scope of ScOAHS from Saccharomyces cerevisiae for the production of l-methionine analogues from l-homocysteine and organic thiols. The promiscuous enzyme was used to synthesise nine different l-methionine analogues with modifications on the thioether residue up to a conversion of 75 %. ScOAHS was combined with an established MT dependent three-enzyme alkylation cascade, allowing transfer of in total seven moieties onto two MT substrates. For ethylation, conversion was nearly doubled with the new four-enzyme cascade, indicating a beneficial effect of the in situ production of l-methionine analogues with ScOAHS.
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Affiliation(s)
- Michael K F Mohr
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstr. 25, 79104, Freiburg, Germany
| | - Raspudin Saleem-Batcha
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstr. 25, 79104, Freiburg, Germany
| | | | - Jennifer N Andexer
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstr. 25, 79104, Freiburg, Germany
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13
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Xiao K, Kang Q, Xiang M, Gong D, Fang H, Tu X, Zhang D. Optimization of Hydrogenobyrinic Acid Synthesis in a Cell-Free Multienzyme Reaction by Novel S-Adenosyl-methionine Regeneration. ACS Synth Biol 2023; 12:1339-1348. [PMID: 36924041 DOI: 10.1021/acssynbio.3c00109] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
Hydrogenobyrinic acid, a modified tetrapyrrole composed of eight five-carbon compounds, is a key intermediate and central framework of vitamin B12. Synthesis of hydrogenobyrinic acid requires eight S-adenosyl-methionine working as the methyl group donor catalyzed by 12 enzymes including six methyltransferases, causing the great shortage of S-adenosyl-methionine and accumulation of S-adenosyl-homocysteine, which is uneconomic and unsustainable for the cascade reaction. Here, we report a cell-free synthetic system for producing hydrogenobyrinic acid by integrating 12 enzymes using 5-aminolevulininate as a substrate and develop a novel S-adenosyl-methionine regeneration system to steadily supply S-adenosyl-methionine and avoid the accumulated inhibition of S-adenosyl-homocysteine by consuming a cheaper substrate (l-methionine and polyphosphate). By combination of the reaction system optimization and S-adenosyl-methionine regeneration, the titer of hydrogenobyrinic acid was improved from 0.61 to 29.39 mg/L in a 12 h reaction period, representing an increase of 48.18-fold, raising an efficient and rapidly evolutional alternative method to produce high-value-added compounds and intermediate products.
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Affiliation(s)
- Kaixing Xiao
- College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, Hubei 443002, China.,Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.,Key Laboratory of Engineering Biology for Low-Carbon Manufacturing, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, China
| | - Qian Kang
- University of Chinese Academy of Science, Beijing 100049, China.,Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.,Key Laboratory of Engineering Biology for Low-Carbon Manufacturing, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, China
| | - Mengjie Xiang
- University of Chinese Academy of Science, Beijing 100049, China.,Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Dachun Gong
- College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, Hubei 443002, China
| | - Huan Fang
- University of Chinese Academy of Science, Beijing 100049, China.,Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.,Key Laboratory of Engineering Biology for Low-Carbon Manufacturing, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, China
| | - Xuan Tu
- College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang, Hubei 443002, China
| | - Dawei Zhang
- University of Chinese Academy of Science, Beijing 100049, China.,Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.,Key Laboratory of Engineering Biology for Low-Carbon Manufacturing, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, 32 West 7th Avenue, Tianjin Airport Economic Area, Tianjin 300308, China
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14
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Bao Z, Li T, Liu J. Determining RNA Natural Modifications and Nucleoside Analog-Labeled Sites by a Chemical/Enzyme-Induced Base Mutation Principle. Molecules 2023; 28:1517. [PMID: 36838506 PMCID: PMC9958784 DOI: 10.3390/molecules28041517] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/30/2023] [Accepted: 02/02/2023] [Indexed: 02/09/2023] Open
Abstract
The natural chemical modifications of messenger RNA (mRNA) in living organisms have shown essential roles in both physiology and pathology. The mapping of mRNA modifications is critical for interpreting their biological functions. In another dimension, the synthesized nucleoside analogs can enable chemical labeling of cellular mRNA through a metabolic pathway, which facilitates the study of RNA dynamics in a pulse-chase manner. In this regard, the sequencing tools for mapping both natural modifications and nucleoside tags on mRNA at single base resolution are highly necessary. In this work, we review the progress of chemical sequencing technology for determining both a variety of naturally occurring base modifications mainly on mRNA and a few on transfer RNA and metabolically incorporated artificial base analogs on mRNA, and further discuss the problems and prospects in the field.
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Affiliation(s)
- Ziming Bao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China
| | - Tengwei Li
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China
| | - Jianzhao Liu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China
- Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
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15
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Suryatin Alim G, Suzuki T, Honda K. Cell-Free Production and Regeneration of Cofactors. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2023; 186:29-49. [PMID: 37306696 DOI: 10.1007/10_2023_222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Cofactors, such as adenosine triphosphate, nicotinamide adenine dinucleotide, and coenzyme A, are involved in nearly 50% of enzymatic reactions and widely used in biocatalytic production of useful chemicals. Although commercial production of cofactors has been mostly dependent on extraction from microbial cells, this approach has a theoretical limitation to achieve a high-titer, high-yield production of cofactors owing to the tight regulation of cofactor biosynthesis in living cells. Besides the cofactor production, their regeneration is also a key challenge to enable continuous use of costly cofactors and improve the feasibility of enzymatic chemical manufacturing. Construction and implementation of enzyme cascades for cofactor biosynthesis and regeneration in a cell-free environment can be a promising approach to these challenges. In this chapter, we present the available tools for cell-free cofactor production and regeneration, the pros and cons, and how they can contribute to promote the industrial application of enzymes.
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Affiliation(s)
- Gladwin Suryatin Alim
- Department of Chemistry, University of Basel, Basel, Switzerland
- International Center for Biotechnology, Osaka University, Osaka, Japan
| | - Takuma Suzuki
- International Center for Biotechnology, Osaka University, Osaka, Japan
| | - Kohsuke Honda
- International Center for Biotechnology, Osaka University, Osaka, Japan.
- Industrial Biotechnology Initiative Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Osaka, Japan.
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16
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Keppler M, Moser S, Jessen HJ, Held C, Andexer JN. Make or break: the thermodynamic equilibrium of polyphosphate kinase-catalysed reactions. Beilstein J Org Chem 2022; 18:1278-1288. [PMID: 36225726 PMCID: PMC9520863 DOI: 10.3762/bjoc.18.134] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 08/30/2022] [Indexed: 11/23/2022] Open
Abstract
Polyphosphate kinases (PPKs) have become popular biocatalysts for nucleotide 5'-triphosphate (NTP) synthesis and regeneration. Two unrelated families are described: PPK1 and PPK2. They are structurally unrelated and use different catalytic mechanisms. PPK1 enzymes prefer the usage of adenosine 5'-triphosphate (ATP) for polyphosphate (polyP) synthesis while PPK2 enzymes favour the reverse reaction. With the emerging use of PPK enzymes in biosynthesis, a deeper understanding of the enzymes and their thermodynamic reaction course is of need, especially in comparison to other kinases. Here, we tested four PPKs from different organisms under the same conditions without any coupling reactions. In comparison to other kinases using phosphate donors with comparably higher phosphate transfer potentials that are characterised by reaction yields close to full conversion, the PPK-catalysed reaction reaches an equilibrium in which about 30% ADP is left. These results were obtained for PPK1 and PPK2 enzymes, and are supported by theoretical data on the basic reaction. At high concentrations of substrate, the different kinetic preferences of PPK1 and PPK2 can be observed. The implications of these results for the application of PPKs in chemical synthesis and as enzymes for ATP regeneration systems are discussed.
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Affiliation(s)
- Michael Keppler
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstr. 25, 79104 Freiburg, Germany
| | - Sandra Moser
- Institute of Organic Chemistry, University of Freiburg, Albertstr. 21, 79104 Freiburg, Germany
| | - Henning J Jessen
- Institute of Organic Chemistry, University of Freiburg, Albertstr. 21, 79104 Freiburg, Germany
| | - Christoph Held
- Department of Biochemical and Chemical Engineering, TU Dortmund University, Emil-Figge-Str. 70, 44227 Dortmund, Germany
| | - Jennifer N Andexer
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstr. 25, 79104 Freiburg, Germany
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17
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Simon-Baram H, Roth S, Niedermayer C, Huber P, Speck M, Diener J, Richter M, Bershtein S. A High-Throughput Continuous Spectroscopic Assay to Measure the Activity of Natural Product Methyltransferases. Chembiochem 2022; 23:e202200162. [PMID: 35785511 PMCID: PMC9542197 DOI: 10.1002/cbic.202200162] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 07/01/2022] [Indexed: 11/28/2022]
Abstract
Natural product methyltransferases (NPMTs) represent an emerging class of enzymes that can be of great use for the structural and functional diversification of bioactive compounds, such as the strategic modification of C‐, N‐, O‐ and S‐moieties. To assess the activity and the substrate scope of the ever‐expanding repertoire of NPMTs, a simple, fast, and robust assay is needed. Here, we report a continuous spectroscopic assay, in which S‐adenosyl‐L‐methionine‐dependent methylation is linked to NADH oxidation through the coupled activities of S‐adenosyl‐L‐homocysteine (SAH) deaminase and glutamate dehydrogenase. The assay is highly suitable for a high‐throughput evaluation of small molecule methylation and for determining the catalytic parameters of NPMTs under conditions that remove the potent inhibition by SAH. Through the modular design, the assay can be extended to match the needs of different aspects of methyltransferase cascade reactions and respective applications.
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Affiliation(s)
| | - Steffen Roth
- Fraunhofer Institute for Interfacial Engineering and Biotechnology: Fraunhofer-Institut fur Grenzflachen- und Bioverfahrenstechnik IGB, Bio-, Elektro- und Chemokatalyse BioCat, Institutsteil Straubing, GERMANY
| | - Christina Niedermayer
- Fraunhofer-Institut für Grenzflächen- und Bioverfahrenstechnik: Fraunhofer-Institut fur Grenzflachen- und Bioverfahrenstechnik IGB, Bio-, Elektro- und Chemokatalyse BioCat, Institutsteil Straubing, GERMANY
| | - Patricia Huber
- Fraunhofer-Institut für Grenzflächen- und Bioverfahrenstechnik: Fraunhofer-Institut fur Grenzflachen- und Bioverfahrenstechnik IGB, Bio-, Elektro- und Chemokatalyse BioCat, Institutsteil Straubing, GERMANY
| | - Melanie Speck
- Fraunhofer-Institut für Grenzflächen- und Bioverfahrenstechnik: Fraunhofer-Institut fur Grenzflachen- und Bioverfahrenstechnik IGB, Bio-, Elektro- und Chemokatalyse BioCat, Institutsteil Straubing fraunhofer, GERMANY
| | - Julia Diener
- Fraunhofer-Institut für Grenzflächen- und Bioverfahrenstechnik: Fraunhofer-Institut fur Grenzflachen- und Bioverfahrenstechnik IGB, Bio-, Elektro- und Chemokatalyse BioCat, Institutsteil Straubing fraunhofer, GERMANY
| | - Michael Richter
- Fraunhofer Institute for Interfacial Engineering and Biotechnology: Fraunhofer-Institut fur Grenzflachen- und Bioverfahrenstechnik IGB, Bio-, Elektro- und Chemokatalyse BioCat, Institutsteil Straubing, GERMANY
| | - Shimon Bershtein
- Ben-Gurion University of the Negev, Life Sciences, 1 Ben-Gurion Blvd, 84501, Beer-sheva, ISRAEL
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18
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Abdelraheem E, Thair B, Varela RF, Jockmann E, Popadić D, Hailes HC, Ward JM, Iribarren AM, Lewkowicz ES, Andexer JN, Hagedoorn PL, Hanefeld U. Methyltransferases, functions and applications. Chembiochem 2022; 23:e202200212. [PMID: 35691829 PMCID: PMC9539859 DOI: 10.1002/cbic.202200212] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 06/10/2022] [Indexed: 11/25/2022]
Abstract
In this review the current state‐of‐the‐art of S‐adenosylmethionine (SAM)‐dependent methyltransferases and SAM are evaluated. Their structural classification and diversity is introduced and key mechanistic aspects presented which are then detailed further. Then, catalytic SAM as a target for drugs, and approaches to utilise SAM as a cofactor in synthesis are introduced with different supply and regeneration approaches evaluated. The use of SAM analogues are also described. Finally O‐, N‐, C‐ and S‐MTs, their synthetic applications and potential for compound diversification is given.
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Affiliation(s)
| | - Benjamin Thair
- University College London Faculty of Mathematical and Physical Sciences, department of Chemistry, UNITED KINGDOM
| | - Romina Fernández Varela
- Universidad nacional di Quilmes, 3Laboratorio de Biotransformaciones y Química de Ácidos Nucleicos, ARGENTINA
| | - Emely Jockmann
- Albert-Ludwigs-Universitat Freiburg Universitatsbibliothek Freiburg, Pharmacie, GERMANY
| | | | - Helen C Hailes
- University College London Faculty of Mathematical and Physical Sciences, department of Chemistry, UNITED KINGDOM
| | - John M Ward
- University College London, Department of Biochemical Engineering, UNITED KINGDOM
| | - Adolfo M Iribarren
- Universidad Nacional de Quilmes, 3Laboratorio de Biotransformaciones y Química de Ácidos Nucleicos, ARGENTINA
| | - Elizabeth S Lewkowicz
- Universidad Nacional de Quilmes, Laboratorio de Biotransformaciones y Química de Ácidos Nucleicos, ARGENTINA
| | | | | | - Ulf Hanefeld
- Technische Universiteit Delft, Gebouw voor Scheikunde, Julianalaan 136, 2628 BL, Delft, NETHERLANDS
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19
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Rudenko AY, Mariasina SS, Sergiev PV, Polshakov VI. Analogs of S-Adenosyl-L-Methionine in Studies of Methyltransferases. Mol Biol 2022; 56:229-250. [PMID: 35440827 PMCID: PMC9009987 DOI: 10.1134/s002689332202011x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 01/02/2023]
Abstract
Methyltransferases (MTases) play an important role in the functioning of living systems, catalyzing the methylation reactions of DNA, RNA, proteins, and small molecules, including endogenous compounds and drugs. Many human diseases are associated with disturbances in the functioning of these enzymes; therefore, the study of MTases is an urgent and important task. Most MTases use the cofactor S‑adenosyl‑L‑methionine (SAM) as a methyl group donor. SAM analogs are widely applicable in the study of MTases: they are used in studies of the catalytic activity of these enzymes, in identification of substrates of new MTases, and for modification of the substrates or substrate linking to MTases. In this review, new synthetic analogs of SAM and the problems that can be solved with their usage are discussed.
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Affiliation(s)
- A. Yu. Rudenko
- Faculty of Fundamental Medicine, Moscow State University, 119991 Moscow, Russia
- Zelinsky Institute of Organic Chemistry, 119991 Moscow, Russia
| | - S. S. Mariasina
- Faculty of Fundamental Medicine, Moscow State University, 119991 Moscow, Russia
- Institute of Functional Genomics, Moscow State University, 119991 Moscow, Russia
| | - P. V. Sergiev
- Institute of Functional Genomics, Moscow State University, 119991 Moscow, Russia
| | - V. I. Polshakov
- Faculty of Fundamental Medicine, Moscow State University, 119991 Moscow, Russia
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20
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Yan G, Li X, Yang J, Li Z, Hou J, Rao B, Hu Y, Ma L, Wang Y. Cost-Effective Production of ATP and S-Adenosylmethionine Using Engineered Multidomain Scaffold Proteins. Biomolecules 2021; 11:1706. [PMID: 34827704 PMCID: PMC8616028 DOI: 10.3390/biom11111706] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 10/18/2021] [Accepted: 10/18/2021] [Indexed: 12/27/2022] Open
Abstract
Adenosine triphosphate (ATP) and S-adenosyl-L-methionine (SAM) are important intermediates that are widely present in living organisms. Large-scale preparation and application of ATP or SAM is limited by expensive raw materials. To lower the production costs for ATP/SAM, in this study we used strategies applying engineered multidomain scaffold proteins to synthesize ATP and SAM. An artificial scaffold protein containing CBM3 domain, IM proteins and CL-labeled proteins was assembled to form complex 1 for catalytic reactions to increase ATP production. The ATP synthesis system produced approximately 25 g/L of ATP with approximately 15 g/L of ADP and 5 g/L of AMP using 12.5 g/L of adenosine and 40 g/L of sodium hexametaphosphate reaction at 35 °C and a pH of 8.5 for 6 h. Based on the above ATP synthesis system, two CL-labeled methionine adenosyltransferases (CL9-MAT4 and CL9-MAT5) were applied to construct scaffold protein complex 2 to achieve SAM synthesis. Approximately 25 μg of MAT4 in a reaction system with 0.3 M MgCl2 catalyzed at 20 °C and a pH of 8 catalyzed 0.5 g/L of l-Met to produce approximately 0.9 g/L of SAM. Approximately 25 μg of MAT5 in a reaction system with 0.7 M MgCl2 catalyzed at 35 °C and a pH of 8 catalyzed 0.5 g/L of l-Met to produce approximately 1.2 g/L of SAM. Here, we showed that low-cost substrates can be efficiently converted into high-value additional ATP and SAM via multi-enzyme catalytic reactions by engineered multidomain scaffold proteins.
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Affiliation(s)
- Guangbo Yan
- State Key Laboratory of Biocatalysis and Enzyme, Engineering Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, Biology Faculty of Hubei University, Hubei University, Wuhan 430062, China; (G.Y.); (X.L.); (J.Y.); (Z.L.); (J.H.); (L.M.)
| | - Xia Li
- State Key Laboratory of Biocatalysis and Enzyme, Engineering Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, Biology Faculty of Hubei University, Hubei University, Wuhan 430062, China; (G.Y.); (X.L.); (J.Y.); (Z.L.); (J.H.); (L.M.)
| | - Jun Yang
- State Key Laboratory of Biocatalysis and Enzyme, Engineering Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, Biology Faculty of Hubei University, Hubei University, Wuhan 430062, China; (G.Y.); (X.L.); (J.Y.); (Z.L.); (J.H.); (L.M.)
| | - Zhongchen Li
- State Key Laboratory of Biocatalysis and Enzyme, Engineering Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, Biology Faculty of Hubei University, Hubei University, Wuhan 430062, China; (G.Y.); (X.L.); (J.Y.); (Z.L.); (J.H.); (L.M.)
| | - Jia Hou
- State Key Laboratory of Biocatalysis and Enzyme, Engineering Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, Biology Faculty of Hubei University, Hubei University, Wuhan 430062, China; (G.Y.); (X.L.); (J.Y.); (Z.L.); (J.H.); (L.M.)
| | - Ben Rao
- National Biopesticide Engineering Technology Research Center, Hubei Biopesticide Engineering Research Center, Hubei Academy of Agricultural Sciences, Biopesticide Branch of Hubei Innovation Centre of Agricultural Science and Technology, Wuhan 430064, China;
| | - Yong Hu
- Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei Key Laboratoy of Industrial Microbiology, National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Hubei Research Center of Food Fermentation Engineering and Technology, Hubei University of Technology, Wuhan 430062, China;
| | - Lixin Ma
- State Key Laboratory of Biocatalysis and Enzyme, Engineering Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, Biology Faculty of Hubei University, Hubei University, Wuhan 430062, China; (G.Y.); (X.L.); (J.Y.); (Z.L.); (J.H.); (L.M.)
| | - Yaping Wang
- State Key Laboratory of Biocatalysis and Enzyme, Engineering Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, Biology Faculty of Hubei University, Hubei University, Wuhan 430062, China; (G.Y.); (X.L.); (J.Y.); (Z.L.); (J.H.); (L.M.)
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21
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Schneider P, Henßen B, Paschold B, Chapple BP, Schatton M, Seebeck FP, Classen T, Pietruszka J. Biocatalytic C3-Indole Methylation-A Useful Tool for the Natural-Product-Inspired Stereoselective Synthesis of Pyrroloindoles. Angew Chem Int Ed Engl 2021; 60:23412-23418. [PMID: 34399441 PMCID: PMC8596708 DOI: 10.1002/anie.202107619] [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: 06/08/2021] [Revised: 07/28/2021] [Indexed: 01/11/2023]
Abstract
Enantioselective synthesis of bioactive compounds bearing a pyrroloindole framework is often laborious. In contrast, there are several S-adenosyl methionine (SAM)-dependent methyl transferases known for stereo- and regioselective methylation at the C3 position of various indoles, directly leading to the formation of the desired pyrroloindole moiety. Herein, the SAM-dependent methyl transferase PsmD from Streptomyces griseofuscus, a key enzyme in the biosynthesis of physostigmine, is characterized in detail. The biochemical properties of PsmD and its substrate scope were demonstrated. Preparative scale enzymatic methylation including SAM regeneration was achieved for three selected substrates after a design-of-experiment optimization.
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Affiliation(s)
- Pascal Schneider
- Institut für Bioorganische ChemieHeinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich and Bioeconomy Science Center (BioSC)Stetternicher Forst, Geb. 15.852426JülichGermany
| | - Birgit Henßen
- Institut für Bio- und Geowissenschaften: Biotechnologie (IBG-1)Forschungszentrum Jülich GmbH52428JülichGermany
| | - Beatrix Paschold
- Institut für Bioorganische ChemieHeinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich and Bioeconomy Science Center (BioSC)Stetternicher Forst, Geb. 15.852426JülichGermany
| | - Benjamin P. Chapple
- Institut für Bioorganische ChemieHeinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich and Bioeconomy Science Center (BioSC)Stetternicher Forst, Geb. 15.852426JülichGermany
| | - Marcel Schatton
- Institut für Bioorganische ChemieHeinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich and Bioeconomy Science Center (BioSC)Stetternicher Forst, Geb. 15.852426JülichGermany
| | - Florian P. Seebeck
- Department of ChemistryUniversity of BaselMattenstrasse 24aCH-4058BaselSwitzerland
| | - Thomas Classen
- Institut für Bio- und Geowissenschaften: Biotechnologie (IBG-1)Forschungszentrum Jülich GmbH52428JülichGermany
| | - Jörg Pietruszka
- Institut für Bioorganische ChemieHeinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich and Bioeconomy Science Center (BioSC)Stetternicher Forst, Geb. 15.852426JülichGermany
- Institut für Bio- und Geowissenschaften: Biotechnologie (IBG-1)Forschungszentrum Jülich GmbH52428JülichGermany
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22
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Schneider P, Henßen B, Paschold B, Chapple BP, Schatton M, Seebeck FP, Classen T, Pietruszka J. Biokatalytische C3‐Indol‐Methylierung – ein nützliches Werkzeug für die naturstoffinspirierte stereoselektive Synthese von Pyrroloindolen. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202107619] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Pascal Schneider
- Institut für Bioorganische Chemie Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich und Bioeconomy Science Center (BioSC) Stetternicher Forst, Geb. 15.8 52426 Jülich Deutschland
| | - Birgit Henßen
- Institut für Bio- und Geowissenschaften: Biotechnologie (IBG-1) Forschungszentrum Jülich GmbH 52428 Jülich Deutschland
| | - Beatrix Paschold
- Institut für Bioorganische Chemie Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich und Bioeconomy Science Center (BioSC) Stetternicher Forst, Geb. 15.8 52426 Jülich Deutschland
| | - Benjamin P. Chapple
- Institut für Bioorganische Chemie Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich und Bioeconomy Science Center (BioSC) Stetternicher Forst, Geb. 15.8 52426 Jülich Deutschland
| | - Marcel Schatton
- Institut für Bioorganische Chemie Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich und Bioeconomy Science Center (BioSC) Stetternicher Forst, Geb. 15.8 52426 Jülich Deutschland
| | - Florian P. Seebeck
- Department of Chemistry University of Basel Mattenstrasse 24a 4058 Basel Schweiz
| | - Thomas Classen
- Institut für Bio- und Geowissenschaften: Biotechnologie (IBG-1) Forschungszentrum Jülich GmbH 52428 Jülich Deutschland
| | - Jörg Pietruszka
- Institut für Bioorganische Chemie Heinrich-Heine-Universität Düsseldorf im Forschungszentrum Jülich und Bioeconomy Science Center (BioSC) Stetternicher Forst, Geb. 15.8 52426 Jülich Deutschland
- Institut für Bio- und Geowissenschaften: Biotechnologie (IBG-1) Forschungszentrum Jülich GmbH 52428 Jülich Deutschland
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Zhang C, Sultan SA, T R, Chen X. Biotechnological applications of S-adenosyl-methionine-dependent methyltransferases for natural products biosynthesis and diversification. BIORESOUR BIOPROCESS 2021; 8:72. [PMID: 38650197 PMCID: PMC10992897 DOI: 10.1186/s40643-021-00425-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 07/31/2021] [Indexed: 12/28/2022] Open
Abstract
In the biosynthesis of natural products, methylation is a common and essential transformation to alter molecules' bioavailability and bioactivity. The main methylation reaction is performed by S-adenosylmethionine (SAM)-dependent methyltransferases (MTs). With advancements in genomic and chemical profiling technologies, novel MTs have been discovered to accept complex substrates and synthesize industrially valuable natural products. However, to achieve a high yield of small molecules in microbial hosts, many methyltransferase activities have been reported to be insufficient. Moreover, inadequate co-factor supplies and feedback inhibition of the by-product, S-adenosylhomocysteine (SAH), further limit MTs' activities. Here, we review recent advances in SAM-dependent MTs to produce and diversify natural products. First, we surveyed recently identified novel methyltransferases in natural product biosynthesis. Second, we summarized enzyme engineering strategies to improve methyltransferase activity, with a particular focus on high-throughput assay design and application. Finally, we reviewed innovations in co-factor regeneration and diversification, both in vitro and in vivo. Noteworthily, many MTs are able to accept multiple structurally similar substrates. Such promiscuous methyltransferases are versatile and can be tailored to design de novo pathways to produce molecules whose biosynthetic pathway is unknown or non-existent in nature, thus broadening the scope of biosynthesized functional molecules.
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Affiliation(s)
- Congqiang Zhang
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Stella Amelia Sultan
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Rehka T
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore
| | - Xixian Chen
- Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Singapore, 138673, Singapore.
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Becker M, Nikel P, Andexer JN, Lütz S, Rosenthal K. A Multi-Enzyme Cascade Reaction for the Production of 2'3'-cGAMP. Biomolecules 2021; 11:590. [PMID: 33923845 PMCID: PMC8073963 DOI: 10.3390/biom11040590] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/13/2021] [Accepted: 04/15/2021] [Indexed: 12/13/2022] Open
Abstract
Multi-enzyme cascade reactions for the synthesis of complex products have gained importance in recent decades. Their advantages compared to single biotransformations include the possibility to synthesize complex molecules without purification of reaction intermediates, easier handling of unstable intermediates, and dealing with unfavorable thermodynamics by coupled equilibria. In this study, a four-enzyme cascade consisting of ScADK, AjPPK2, and SmPPK2 for ATP synthesis from adenosine coupled to the cyclic GMP-AMP synthase (cGAS) catalyzing cyclic GMP-AMP (2'3'-cGAMP) formation was successfully developed. The 2'3'-cGAMP synthesis rates were comparable to the maximal reaction rate achieved in single-step reactions. An iterative optimization of substrate, cofactor, and enzyme concentrations led to an overall yield of 0.08 mole 2'3'-cGAMP per mole adenosine, which is comparable to chemical synthesis. The established enzyme cascade enabled the synthesis of 2'3'-cGAMP from GTP and inexpensive adenosine as well as polyphosphate in a biocatalytic one-pot reaction, demonstrating the performance capabilities of multi-enzyme cascades for the synthesis of pharmaceutically relevant products.
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Affiliation(s)
- Martin Becker
- Chair for Bioprocess Engineering, Department of Biochemical and Chemical Engineering, TU Dortmund University, D-44227 Dortmund, Germany; (M.B.); (P.N.); (S.L.)
| | - Patrick Nikel
- Chair for Bioprocess Engineering, Department of Biochemical and Chemical Engineering, TU Dortmund University, D-44227 Dortmund, Germany; (M.B.); (P.N.); (S.L.)
| | - Jennifer N. Andexer
- Institute of Pharmaceutical Sciences, University of Freiburg, D-79104 Freiburg, Germany;
| | - Stephan Lütz
- Chair for Bioprocess Engineering, Department of Biochemical and Chemical Engineering, TU Dortmund University, D-44227 Dortmund, Germany; (M.B.); (P.N.); (S.L.)
| | - Katrin Rosenthal
- Chair for Bioprocess Engineering, Department of Biochemical and Chemical Engineering, TU Dortmund University, D-44227 Dortmund, Germany; (M.B.); (P.N.); (S.L.)
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