1
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Liakh I, Harshkova D, Hrouzek P, Bišová K, Aksmann A, Wielgomas B. Green alga Chlamydomonas reinhardtii can effectively remove diclofenac from the water environment - A new perspective on biotransformation. JOURNAL OF HAZARDOUS MATERIALS 2023; 455:131570. [PMID: 37163898 DOI: 10.1016/j.jhazmat.2023.131570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 04/19/2023] [Accepted: 05/02/2023] [Indexed: 05/12/2023]
Abstract
The use of unicellular algae to remove xenobiotics (including drugs) from wastewaters is one of the rapidly developing areas of environmental protection. Numerous data indicate that for efficient phycoremediation three processes are important, i.e. biosorption, bioaccumulation, and biotransformation. Although biosorption and bioaccumulation do not raise any serious doubts, biotransformation is more problematic since its products can be potentially more toxic than the parent compounds posing a threat to organisms living in a given environment, including organisms that made this transformation. Thus, two questions need to be answered before the proper algae strain is chosen for phycoremediation, namely what metabolites are produced during biotransformation, and how resistant is the analyzed strain to a mixture of parent compound and metabolites that appear over the course of culture? In this work, we evaluated the remediation potential of the model green alga Chlamydomonas reinhardtii in relation to non-steroidal anti-inflammatory drugs (NSAIDs), as exemplified by diclofenac. To achieve this, we analysed the susceptibility of C. reinhardtii to diclofenac as well as its capability to biosorption, bioaccumulation, and biotransformation of the drug. We have found that even at a relatively high concentration of diclofenac the algae maintained their vitality and were able to remove (37.7%) DCF from the environment. A wide range of phase I and II metabolites of diclofenac (38 transformation products) was discovered, with many of them characteristic rather for animal and bacterial biochemical pathways than for plant metabolism. Due to such a large number of detected products, 18 of which were not previously reported, the proposed scheme of diclofenac transformation by C. reinhardtii not only significantly contributes to broadening the knowledge in this field, but also allows to suggest possible pathways of degradation of xenobiotics with a similar structure. It is worth pointing out that a decrease in the level of diclofenac in the media observed in this study cannot be fully explained by biotransformation (8.4%). The mass balance analysis indicates that other processes (total 22%), such as biosorption, a non-extractable residue formation, or complete decomposition in metabolic cycles can be involved in the diclofenac disappearance, and those findings open the prospects of further research.
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Affiliation(s)
- Ivan Liakh
- Department of Toxicology, Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland
| | - Darya Harshkova
- Department of Plant Physiology and Biotechnology, Faculty of Biology, University of Gdansk, Gdansk, Poland
| | - Pavel Hrouzek
- Laboratory of Algal Biotechnology, Centre Algatech, Institute of Microbiology of the Czech Academy of Sciences, Třeboň, Czech Republic
| | - Kateřina Bišová
- Laboratory of Cell Cycles of Algae, Centre Algatech, Institute of Microbiology of the Czech Academy of Sciences, Třeboň, Czech Republic
| | - Anna Aksmann
- Department of Plant Physiology and Biotechnology, Faculty of Biology, University of Gdansk, Gdansk, Poland.
| | - Bartosz Wielgomas
- Department of Toxicology, Faculty of Pharmacy, Medical University of Gdansk, Gdansk, Poland.
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2
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Gillam EMJ, Kramlinger VM. Opportunities for Accelerating Drug Discovery and Development by Using Engineered Drug-Metabolizing Enzymes. Drug Metab Dispos 2023; 51:392-402. [PMID: 36460479 DOI: 10.1124/dmd.121.000743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/08/2022] [Accepted: 11/21/2022] [Indexed: 12/03/2022] Open
Abstract
The study of drug metabolism is fundamental to drug discovery and development (DDD) since by mediating the clearance of most drugs, metabolic enzymes influence their bioavailability and duration of action. Biotransformation can also produce pharmacologically active or toxic products, which complicates the evaluation of the therapeutic benefit versus liability of potential drugs but also provides opportunities to explore the chemical space around a lead. The structures and relative abundance of metabolites are determined by the substrate and reaction specificity of biotransformation enzymes and their catalytic efficiency. Preclinical drug biotransformation studies are done to quantify in vitro intrinsic clearance to estimate likely in vivo pharmacokinetic parameters, to predict an appropriate dose, and to anticipate interindividual variability in response, including from drug-drug interactions. Such studies need to be done rapidly and cheaply, but native enzymes, especially in microsomes or hepatocytes, do not always produce the full complement of metabolites seen in extrahepatic tissues or preclinical test species. Furthermore, yields of metabolites are usually limiting. Engineered recombinant enzymes can make DDD more comprehensive and systematic. Additionally, as renewable, sustainable, and scalable resources, they can also be used for elegant chemoenzymatic, synthetic approaches to optimize or synthesize candidates as well as metabolites. Here, we will explore how these new tools can be used to enhance the speed and efficiency of DDD pipelines and provide a perspective on what will be possible in the future. The focus will be on cytochrome P450 enzymes to illustrate paradigms that can be extended in due course to other drug-metabolizing enzymes. SIGNIFICANCE STATEMENT: Protein engineering can generate enhanced versions of drug-metabolizing enzymes that are more stable, better suited to industrial conditions, and have altered catalytic activities, including catalyzing non-natural reactions on structurally complex lead candidates. When applied to drugs in development, libraries of engineered cytochrome P450 enzymes can accelerate the identification of active or toxic metabolites, help elucidate structure activity relationships, and, when combined with other synthetic approaches, provide access to novel structures by regio- and stereoselective functionalization of lead compounds.
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Affiliation(s)
- Elizabeth M J Gillam
- School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, Brisbane, Australia (E.M.J.G.) and Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, Tennessee (V.M.K.)
| | - Valerie M Kramlinger
- School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, Brisbane, Australia (E.M.J.G.) and Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, Tennessee (V.M.K.)
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3
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Wrobel SA, Bury D, Belov VN, Klenk JM, Hauer B, Hayen H, Martino-Andrade AJ, Koch HM, Brüning T, Käfferlein HU. Rapid quantification of seven major neonicotinoids and neonicotinoid-like compounds and their key metabolites in human urine. Anal Chim Acta 2023; 1239:340680. [PMID: 36628758 DOI: 10.1016/j.aca.2022.340680] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/25/2022] [Accepted: 11/26/2022] [Indexed: 12/03/2022]
Abstract
Neonicotinoids and neonicotinoid-like compounds (NNIs) are frequently used insecticides worldwide and exposure scenarios can vary widely between countries and continents. We have developed a specific and robust analytical method based on liquid chromatography-electrospray tandem mass spectrometry coupled to online-SPE (online-SPE-LC-ESI-MS-MS) to analyze the seven most important NNIs from a global perspective together with nine of their key metabolites in human urine. The method also includes the neonicotinoid-like flupyradifurone (FLUP), an important future substitute for classical neonicotinoids, and two of its major human metabolites, 5-hydroxy- and N-desfluoroethyl-FLUP. Validation of the method was carried out using pooled urine samples from low-dose human metabolism studies and spiked urine samples with a wide range of creatinine concentrations. Depending on the analyte, the limits of quantitation were between 0.06 and 2.1 µg L-1, the inter-day and intra-day imprecisions ≤6%, and the mean relative recoveries between 89% and 112%. The method enabled us to successfully quantify NNIs and their metabolites at current environmental exposures in 34 individuals of the German general population and 43 pregnant women from Brazil with no known occupational exposures to NNIs.
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Affiliation(s)
- Sonja A Wrobel
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr University Bochum (IPA), Bürkle-de-la-Camp-Platz 1, 44789, Bochum, Germany
| | - Daniel Bury
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr University Bochum (IPA), Bürkle-de-la-Camp-Platz 1, 44789, Bochum, Germany
| | - Vladimir N Belov
- Max Planck Institute for Multidisciplinary Natural Sciences (MPI NAT), Facility for Synthetic Chemistry, Am Fassberg 11, 37077, Göttingen, Germany
| | - Jan M Klenk
- Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Allmandring 31, 70569, Stuttgart, Germany
| | - Bernhard Hauer
- Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Allmandring 31, 70569, Stuttgart, Germany
| | - Heiko Hayen
- Institute of Inorganic and Analytical Chemistry, University of Münster, Corrensstraße 48, 48149, Münster, Germany
| | | | - Holger M Koch
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr University Bochum (IPA), Bürkle-de-la-Camp-Platz 1, 44789, Bochum, Germany
| | - Thomas Brüning
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr University Bochum (IPA), Bürkle-de-la-Camp-Platz 1, 44789, Bochum, Germany
| | - Heiko U Käfferlein
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr University Bochum (IPA), Bürkle-de-la-Camp-Platz 1, 44789, Bochum, Germany.
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4
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Charlton SN, Hayes MA. Oxygenating Biocatalysts for Hydroxyl Functionalisation in Drug Discovery and Development. ChemMedChem 2022; 17:e202200115. [PMID: 35385205 PMCID: PMC9323455 DOI: 10.1002/cmdc.202200115] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/05/2022] [Indexed: 11/12/2022]
Abstract
C-H oxyfunctionalisation remains a distinct challenge for synthetic organic chemists. Oxygenases and peroxygenases (grouped here as "oxygenating biocatalysts") catalyse the oxidation of a substrate with molecular oxygen or hydrogen peroxide as oxidant. The application of oxygenating biocatalysts in organic synthesis has dramatically increased over the last decade, producing complex compounds with potential uses in the pharmaceutical industry. This review will focus on hydroxyl functionalisation using oxygenating biocatalysts as a tool for drug discovery and development. Established oxygenating biocatalysts, such as cytochrome P450s and flavin-dependent monooxygenases, have widely been adopted for this purpose, but can suffer from low activity, instability or limited substrate scope. Therefore, emerging oxygenating biocatalysts which offer an alternative will also be covered, as well as considering the ways in which these hydroxylation biotransformations can be applied in drug discovery and development, such as late-stage functionalisation (LSF) and in biocatalytic cascades.
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Affiliation(s)
- Sacha N. Charlton
- School of ChemistryUniversity of Bristol, Cantock's CloseBristolBS8 1TSUK
| | - Martin A. Hayes
- Compound Synthesis and ManagementDiscovery SciencesBiopharmaceuticals R&DAstraZenecaGothenburgSweden
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5
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Fessner ND, Weber H, Glieder A. Regioselective Hydroxylation of Stilbenes by White‐Rot Fungal P450s Enables Preparative‐Scale Synthesis of Stilbenoids. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Nico Dennis Fessner
- Technische Universitat Graz Fakultät für Technische Chemie, Verfahrenstechnik und Biotechnologie Petersgasse 14 8010 Graz AUSTRIA
| | - Hansjörg Weber
- Graz University of Technology: Technische Universitat Graz Institute of Organic Chemistry 8010 Graz AUSTRIA
| | - Anton Glieder
- Graz University of Technology: Technische Universitat Graz Institute of Molecular Biotechnology 8010 Graz AUSTRIA
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6
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Ivshina IB, Tyumina EA, Bazhutin GA, Vikhareva EV. Response of Rhodococcus cerastii IEGM 1278 to toxic effects of ibuprofen. PLoS One 2021; 16:e0260032. [PMID: 34793540 PMCID: PMC8601567 DOI: 10.1371/journal.pone.0260032] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 10/29/2021] [Indexed: 11/23/2022] Open
Abstract
The article expands our knowledge on the variety of biodegraders of ibuprofen, one of the most frequently detected non-steroidal anti-inflammatory drugs in the environment. We studied the dynamics of ibuprofen decomposition and its relationship with the physiological status of bacteria and with additional carbon and energy sources. The involvement of cytoplasmic enzymes in ibuprofen biodegradation was confirmed. Within the tested actinobacteria, Rhodococcus cerastii IEGM 1278 was capable of complete oxidation of 100 μg/L and 100 mg/L of ibuprofen in 30 h and 144 h, respectively, in the presence of an alternative carbon source (n-hexadecane). Besides, the presence of ibuprofen induced a transition of rhodococci from single- to multicellular lifeforms, a shift to more negative zeta potential values, and a decrease in the membrane permeability. The initial steps of ibuprofen biotransformation by R. cerastii IEGM 1278 involved the formation of hydroxylated and decarboxylated derivatives with higher phytotoxicity than the parent compound (ibuprofen). The data obtained indicate potential threats of this pharmaceutical pollutant and its metabolites to biota and natural ecosystems.
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Affiliation(s)
- Irina B. Ivshina
- Perm Federal Research Center of the Ural Branch of the Russian Academy of Sciences, Perm, Russia
- * E-mail:
| | - Elena A. Tyumina
- Perm Federal Research Center of the Ural Branch of the Russian Academy of Sciences, Perm, Russia
| | - Grigory A. Bazhutin
- Perm Federal Research Center of the Ural Branch of the Russian Academy of Sciences, Perm, Russia
| | - Elena V. Vikhareva
- Perm Federal Research Center of the Ural Branch of the Russian Academy of Sciences, Perm, Russia
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7
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Grogan G. Hemoprotein Catalyzed Oxygenations: P450s, UPOs, and Progress toward Scalable Reactions. JACS AU 2021; 1:1312-1329. [PMID: 34604841 PMCID: PMC8479775 DOI: 10.1021/jacsau.1c00251] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Indexed: 05/15/2023]
Abstract
The selective oxygenation of nonactivated carbon atoms is an ongoing synthetic challenge, and biocatalysts, particularly hemoprotein oxygenases, continue to be investigated for their potential, given both their sustainable chemistry credentials and also their superior selectivity. However, issues of stability, activity, and complex reaction requirements often render these biocatalytic oxygenations problematic with respect to scalable industrial processes. A continuing focus on Cytochromes P450 (P450s), which require a reduced nicotinamide cofactor and redox protein partners for electron transport, has now led to better catalysts and processes with a greater understanding of process requirements and limitations for both in vitro and whole-cell systems. However, the discovery and development of unspecific peroxygenases (UPOs) has also recently provided valuable complementary technology to P450-catalyzed reactions. UPOs need only hydrogen peroxide to effect oxygenations but are hampered by their sensitivity to peroxide and also by limited selectivity. In this Perspective, we survey recent developments in the engineering of proteins, cells, and processes for oxygenations by these two groups of hemoproteins and evaluate their potential and relative merits for scalable reactions.
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8
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Donoso RA, Ruiz D, Gárate-Castro C, Villegas P, González-Pastor JE, de Lorenzo V, González B, Pérez-Pantoja D. Identification of a self-sufficient cytochrome P450 monooxygenase from Cupriavidus pinatubonensis JMP134 involved in 2-hydroxyphenylacetic acid catabolism, via homogentisate pathway. Microb Biotechnol 2021; 14:1944-1960. [PMID: 34156761 PMCID: PMC8449657 DOI: 10.1111/1751-7915.13865] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 05/24/2021] [Accepted: 05/26/2021] [Indexed: 11/28/2022] Open
Abstract
The self-sufficient cytochrome P450 RhF and its homologues belonging to the CYP116B subfamily have attracted considerable attention due to the potential for biotechnological applications based in their ability to catalyse an array of challenging oxidative reactions without requiring additional protein partners. In this work, we showed for the first time that a CYP116B self-sufficient cytochrome P450 encoded by the ohpA gene harboured by Cupriavidus pinatubonensis JMP134, a β-proteobacterium model for biodegradative pathways, catalyses the conversion of 2-hydroxyphenylacetic acid (2-HPA) into homogentisate. Mutational analysis and HPLC metabolite detection in strain JMP134 showed that 2-HPA is degraded through the well-known homogentisate pathway requiring a 2-HPA 5-hydroxylase activity provided by OhpA, which was additionally supported by heterologous expression and enzyme assays. The ohpA gene belongs to an operon including also ohpT, coding for a substrate-binding subunit of a putative transporter, whose expression is driven by an inducible promoter responsive to 2-HPA in presence of a predicted OhpR transcriptional regulator. OhpA homologues can be found in several genera belonging to Actinobacteria and α-, β- and γ-proteobacteria lineages indicating a widespread distribution of 2-HPA catabolism via homogentisate route. These results provide first time evidence for the natural function of members of the CYP116B self-sufficient oxygenases and represent a significant input to support novel kinetic and structural studies to develop cytochrome P450-based biocatalytic processes.
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Affiliation(s)
- Raúl A Donoso
- Programa Institucional de Fomento a la Investigación, Desarrollo e Innovación (PIDi), Universidad Tecnológica Metropolitana, Santiago, Chile.,Center of Applied Ecology and Sustainability (CAPES), Santiago, Chile
| | - Daniela Ruiz
- Center of Applied Ecology and Sustainability (CAPES), Santiago, Chile.,Facultad de Ingeniería y Ciencias, Universidad Adolfo Ibáñez, Santiago, Chile
| | - Carla Gárate-Castro
- Programa Institucional de Fomento a la Investigación, Desarrollo e Innovación (PIDi), Universidad Tecnológica Metropolitana, Santiago, Chile.,Center of Applied Ecology and Sustainability (CAPES), Santiago, Chile
| | - Pamela Villegas
- Programa Institucional de Fomento a la Investigación, Desarrollo e Innovación (PIDi), Universidad Tecnológica Metropolitana, Santiago, Chile
| | - José Eduardo González-Pastor
- Laboratory of Molecular Adaptation, Department of Molecular Evolution, Centro de Astrobiología (CSIC-INTA), Madrid, Spain
| | - Víctor de Lorenzo
- Systems and Synthetic Biology Department, Centro Nacional de Biotecnología (CNB-CSIC), Campus de Cantoblanco, Madrid, Spain
| | - Bernardo González
- Center of Applied Ecology and Sustainability (CAPES), Santiago, Chile.,Facultad de Ingeniería y Ciencias, Universidad Adolfo Ibáñez, Santiago, Chile
| | - Danilo Pérez-Pantoja
- Programa Institucional de Fomento a la Investigación, Desarrollo e Innovación (PIDi), Universidad Tecnológica Metropolitana, Santiago, Chile
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9
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Correddu D, Di Nardo G, Gilardi G. Self-Sufficient Class VII Cytochromes P450: From Full-Length Structure to Synthetic Biology Applications. Trends Biotechnol 2021; 39:1184-1207. [PMID: 33610332 DOI: 10.1016/j.tibtech.2021.01.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 11/25/2022]
Abstract
Members of class VII cytochromes P450 are catalytically self-sufficient enzymes containing a phthalate dioxygenase reductase-like domain fused to the P450 catalytic domain. Among these, CYP116B46 is the first enzyme for which the 3D structure of the whole polypeptide chain has been solved, shedding light on the interaction between its domains, which is crucial for catalysis. Most of these enzymes have been isolated from extremophiles or detoxifying bacteria that can carry out regio- and enantioselective oxidation of compounds of biotechnological interest. Protein engineering has generated mutants that can perform challenging organic reactions such as the anti-Markovnikov alkene oxidation. This potential, combined with the detailed 3D structure, forms the basis for further directed evolution studies aimed at widening their biotechnological exploitation.
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Affiliation(s)
- Danilo Correddu
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, 10123, Torino, Italy
| | - Giovanna Di Nardo
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, 10123, Torino, Italy
| | - Gianfranco Gilardi
- Department of Life Sciences and Systems Biology, University of Torino, Via Accademia Albertina 13, 10123, Torino, Italy.
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10
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11
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Chakrabarty S, Wang Y, Perkins JC, Narayan ARH. Scalable biocatalytic C-H oxyfunctionalization reactions. Chem Soc Rev 2020; 49:8137-8155. [PMID: 32701110 PMCID: PMC8177087 DOI: 10.1039/d0cs00440e] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Catalytic C-H oxyfunctionalization reactions have garnered significant attention in recent years with their ability to streamline synthetic routes toward complex molecules. Consequently, there have been significant strides in the design and development of catalysts that enable diversification through C-H functionalization reactions. Enzymatic C-H oxygenation reactions are often complementary to small molecule based synthetic approaches, providing a powerful tool when deployable on preparative-scale. This review highlights key advances in scalable biocatalytic C-H oxyfunctionalization reactions developed within the past decade.
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Affiliation(s)
- Suman Chakrabarty
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA.
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12
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Finnigan JD, Young C, Cook DJ, Charnock SJ, Black GW. Cytochromes P450 (P450s): A review of the class system with a focus on prokaryotic P450s. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2020; 122:289-320. [PMID: 32951814 DOI: 10.1016/bs.apcsb.2020.06.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Cytochromes P450 (P450s) are a large superfamily of heme-containing monooxygenases. P450s are found in all Kingdoms of life and exhibit incredible diversity, both at sequence level and also on a biochemical basis. In the majority of cases, P450s can be assigned into one of ten classes based on their associated redox partners, domain architecture and cellular localization. Prokaryotic P450s now represent a large diverse collection of annotated/known enzymes, of which many have great potential biocatalytic potential. The self-sufficient P450 classes (Class VII/VIII) have been explored significantly over the past decade, with many annotated and biochemically characterized members. It is clear that the prokaryotic P450 world is expanding rapidly, as the number of published genomes and metagenome studies increases, and more P450 families are identified and annotated (CYP families).
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Affiliation(s)
| | - Carl Young
- Prozomix Limited, Haltwhistle, Northumberland, United Kingdom
| | - Darren J Cook
- Prozomix Limited, Haltwhistle, Northumberland, United Kingdom
| | | | - Gary W Black
- Hub for Biotechnology in the Built Environment, Faculty of Health and Life Sciences, Northumbria University, Newcastle upon Tyne, United Kingdom
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13
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Klenk JM, Ertl J, Rapp L, Fischer MP, Hauer B. Expression and characterization of the benzoic acid hydroxylase CYP199A25 from Arthrobacter sp. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2019.110739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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14
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Xie L, Chen K, Cui H, Wan N, Cui B, Han W, Chen Y. Characterization of a Self-Sufficient Cytochrome P450 Monooxygenase from Deinococcus apachensis for Enantioselective Benzylic Hydroxylation. Chembiochem 2020; 21:1820-1825. [PMID: 32012422 DOI: 10.1002/cbic.201900691] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 01/29/2020] [Indexed: 12/22/2022]
Abstract
A self-sufficient cytochrome P450 monooxygenase from Deinococcus apachensis (P450DA) was identified and successfully overexpressed in Escherichia coli BL21(DE3). P450DA would be a member of the CYP102D subfamily and assigned as CYP102D2 according to the phylogenetic tree and sequence alignment. Purification and characterization of the recombinant P450DA indicated both NADH and NADPH could be used by P450DA as a reducing cofactor. The recombinant E. coli (P450DA) strain was functionally active, showing excellent enantioselectivity for benzylic hydroxylation of methyl 2-phenylacetate. Further substrate scope studies revealed that P450DA is able to catalyze benzylic hydroxylation of a variety of compounds, affording the corresponding chiral benzylic alcohols in 86-99 % ee and 130-1020 total turnover numbers.
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Affiliation(s)
- Lingzhi Xie
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563000, China
| | - Ke Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563000, China
| | - Haibo Cui
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563000, China
| | - Nanwei Wan
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563000, China
| | - Baodong Cui
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563000, China
| | - Wenyong Han
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563000, China
| | - Yongzheng Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, Green Pharmaceuticals Engineering Research Center of Guizhou Province, School of Pharmacy, Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi, 563000, China
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15
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Li Y, Liu S, You C. Permeabilized
Escherichia coli
Whole Cells Containing Co‐Expressed Two Thermophilic Enzymes Facilitate the Synthesis of
scyllo
‐Inositol from
myo
‐Inositol. Biotechnol J 2019; 15:e1900191. [DOI: 10.1002/biot.201900191] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 08/28/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Yuan Li
- Tianjin Institute of Industrial BiotechnologyChinese Academy of Sciences Tianjin 300308 P. R. China
| | - Shan Liu
- Tianjin Institute of Industrial BiotechnologyChinese Academy of Sciences Tianjin 300308 P. R. China
| | - Chun You
- Tianjin Institute of Industrial BiotechnologyChinese Academy of Sciences Tianjin 300308 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 China
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16
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Klenk JM, Kontny LH, Escobedo-Hinojosa W, Nebel BA, Hauer B. Oxyfunctionalization of nonsteroidal anti-inflammatory drugs by filamentous-fungi. J Appl Microbiol 2019; 127:724-738. [PMID: 31173436 DOI: 10.1111/jam.14342] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 05/04/2019] [Accepted: 06/04/2019] [Indexed: 12/18/2022]
Abstract
AIMS We aimed to expand the microbial biocatalyst platform to generate essential oxyfunctionalized standards for pharmaceutical, toxicological and environmental research. In particular, we examined the production of oxyfunctionalized nonsteroidal anti-inflammatory drugs (NSAIDs) by filamentous-fungi. METHODS AND RESULTS Four NSAIDs; diclofenac, ibuprofen, naproxen and mefenamic acid were used as substrates for oxyfunctionalization in a biocatalytic process involving three filamentous-fungi strains; Beauveria bassiana, Clitocybe nebularis and Mucor hiemalis. Oxyfunctionalized metabolites that are major degradation intermediates formed by Cytochrome P450 monooxygenases in human metabolism were produced in isolated yields of up to 99% using 1 g l-1 of substrate. In addition, a novel compound, 3',4'-dihydroxydiclofenac, was produced by B. bassiana. Proteomic analysis identified CYP548A5 that might be responsible for diclofenac oxyfunctionalization in B. bassiana. CONCLUSIONS Efficient fungi catalysed oxyfunctionalization was achieved when using NSAIDs as substrates. High purities and isolated yields of the produced metabolites were achieved. SIGNIFICANCE AND IMPACT OF THE STUDY The lack of current efficient synthetic strategies for oxyfunctionalization of NSAIDs is a bottleneck to perform pharmacokinetic, pharmacodynamic and toxicological analysis for the pharmaceutical industry. Additionally, oxyfunctionalized derivatives are needed for tracking the fate and impact of such metabolites in the environment. Herein, we described a fungi catalysed process that surpasses previously reported strategies in terms of efficiency, to synthesize oxyfunctionalized NSAIDs.
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Affiliation(s)
- J M Klenk
- Department of Technical Biochemistry, Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Stuttgart, Germany
| | - L H Kontny
- Department of Technical Biochemistry, Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Stuttgart, Germany
| | - W Escobedo-Hinojosa
- Department of Technical Biochemistry, Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Stuttgart, Germany
| | - B A Nebel
- Department of Technical Biochemistry, Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Stuttgart, Germany
| | - B Hauer
- Department of Technical Biochemistry, Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Stuttgart, Germany
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17
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Klenk JM, Dubiel P, Sharma M, Grogan G, Hauer B. Characterization and structure-guided engineering of the novel versatile terpene monooxygenase CYP109Q5 from Chondromyces apiculatus DSM436. Microb Biotechnol 2019; 12:377-391. [PMID: 30592153 PMCID: PMC6389848 DOI: 10.1111/1751-7915.13354] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 11/16/2018] [Accepted: 11/17/2018] [Indexed: 01/12/2023] Open
Abstract
One of the major challenges in chemical synthesis is the selective oxyfunctionalization of non-activated C-H bonds, which can be enabled by biocatalysis using cytochrome P450 monooxygenases. In this study, we report on the characterization of the versatile CYP109Q5 from Chondromyces apiculatus DSM436, which is able to functionalize a wide range of substrates (terpenes, steroids and drugs), including the ring of β-ionone in non-allylic positions. The crystal structure of CYP109Q5 revealed flexibility within the active site pocket that permitted the accommodation of bulky substrates, and enabled a structure-guided approach to engineering the enzyme. Some variants of CYP109Q5 displayed a switch in selectivity towards the non-allylic positions of β-ionone, allowing the simultaneous production of 2- and 3-hydroxy-β-ionone, which are chemically challenging to synthesize and are important precursors for carotenoid synthesis. An efficient whole-cell system finally enabled the production of up to 0.5 g l-1 hydroxylated products of β-ionone; this system can be applied to product identification in further biotransformations. Overall, CYP109Q5 proved to be highly evolvable and active. The studies in this work demonstrate that, using rational mutagenesis, the highly versatile CYP109Q5 generalist can be progressively evolved to be an industrially valuable specialist for the synthesis of specific products.
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Affiliation(s)
- Jan M. Klenk
- Institute of Biochemistry and Technical BiochemistryDepartment of Technical BiochemistryUniversity of StuttgartAllmandring 3170569StuttgartGermany
| | - Paulina Dubiel
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
| | - Mahima Sharma
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
| | - Gideon Grogan
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
| | - Bernhard Hauer
- Institute of Biochemistry and Technical BiochemistryDepartment of Technical BiochemistryUniversity of StuttgartAllmandring 3170569StuttgartGermany
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18
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Klenk JM, Fischer MP, Dubiel P, Sharma M, Rowlinson B, Grogan G, Hauer B. Identification and characterization of cytochrome P450 1232A24 and 1232F1 from Arthrobacter sp. and their role in the metabolic pathway of papaverine. J Biochem 2019; 166:51-66. [DOI: 10.1093/jb/mvz010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 02/12/2019] [Indexed: 11/13/2022] Open
Abstract
AbstractCytochrome P450 monooxygenases (P450s) play crucial roles in the cell metabolism and provide an unsurpassed diversity of catalysed reactions. Here, we report the identification and biochemical characterization of two P450s from Arthrobacter sp., a Gram-positive organism known to degrade the opium alkaloid papaverine. Combining phylogenetic and genomic analysis suggested physiological roles for P450s in metabolism and revealed potential gene clusters with redox partners facilitating the reconstitution of the P450 activities in vitro. CYP1232F1 catalyses the para demethylation of 3,4-dimethoxyphenylacetic acid to homovanillic acid while CYP1232A24 continues demethylation to 3,4-dihydroxyphenylacetic acid. Interestingly, the latter enzyme is also able to perform both demethylation steps with preference for the meta position. The crystal structure of CYP1232A24, which shares only 29% identity to previous published structures of P450s helped to rationalize the preferred demethylation specificity for the meta position and also the broader substrate specificity profile. In addition to the detailed characterization of the two P450s using their physiological redox partners, we report the construction of a highly active whole-cell Escherichia coli biocatalyst expressing CYP1232A24, which formed up to 1.77 g l−1 3,4-dihydroxyphenylacetic acid. Our results revealed the P450s’ role in the metabolic pathway of papaverine enabling further investigation and application of these biocatalysts.
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Affiliation(s)
- Jan M Klenk
- Department of Technical Biochemistry, Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Allmandring 31, Stuttgart, Germany
| | - Max-Philipp Fischer
- Department of Technical Biochemistry, Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Allmandring 31, Stuttgart, Germany
| | - Paulina Dubiel
- Department of Chemistry, University of York, Heslington, York, UK
| | - Mahima Sharma
- Department of Chemistry, University of York, Heslington, York, UK
| | | | - Gideon Grogan
- Department of Chemistry, University of York, Heslington, York, UK
| | - Bernhard Hauer
- Department of Technical Biochemistry, Institute of Biochemistry and Technical Biochemistry, University of Stuttgart, Allmandring 31, Stuttgart, Germany
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19
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Li RJ, Xu JH, Chen Q, Zhao J, Li AT, Yu HL. Enhancing the Catalytic Performance of a CYP116B Monooxygenase by Transdomain Combination Mutagenesis. ChemCatChem 2018. [DOI: 10.1002/cctc.201800054] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ren-Jie Li
- Laboratory of Biocatalysis and Synthetic Biotechnology; State Key Laboratory of Bioreactor Engineering; East China University of Science and Technology; 130 Meilong Road Shanghai 200237 P.R. China
| | - Jian-He Xu
- Laboratory of Biocatalysis and Synthetic Biotechnology; State Key Laboratory of Bioreactor Engineering; East China University of Science and Technology; 130 Meilong Road Shanghai 200237 P.R. China
| | - Qi Chen
- Laboratory of Biocatalysis and Synthetic Biotechnology; State Key Laboratory of Bioreactor Engineering; East China University of Science and Technology; 130 Meilong Road Shanghai 200237 P.R. China
| | - Jing Zhao
- Tianjin Institute of Industrial Biotechnology; Chinese Academy of Sciences; Tianjin 300308 P.R. China
| | - Ai-Tao Li
- Hubei Collaborative Innovation Center for, Green Transformation of Bio-resources; Hubei Key Laboratory of Industrial Biotechnology; College of Life Sciences; Hubei University; Wuhan 430062 P.R. China
| | - Hui-Lei Yu
- Laboratory of Biocatalysis and Synthetic Biotechnology; State Key Laboratory of Bioreactor Engineering; East China University of Science and Technology; 130 Meilong Road Shanghai 200237 P.R. China
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20
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Talmann L, Wiesner J, Vilcinskas A. Strategies for the construction of insect P450 fusion enzymes. ACTA ACUST UNITED AC 2018; 72:405-415. [PMID: 28866653 DOI: 10.1515/znc-2017-0041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 06/08/2017] [Indexed: 12/18/2022]
Abstract
Cytochrome P450 monooxygenases (P450s) are ubiquitous enzymes with a broad substrate spectrum. Insect P450s are known to catalyze reactions such as the detoxification of insecticides and the synthesis of hydrocarbons, which makes them useful for many industrial processes. Unfortunately, it is difficult to utilize P450s effectively because they must be paired with cytochrome P450 reductases (CPRs) to facilitate electron transfer from reduced nicotinamide adenine dinucleotide phosphate (NADPH). Furthermore, eukaryotic P450s and CPRs are membrane-anchored proteins, which means they are insoluble and therefore difficult to purify when expressed in their native state. Both challenges can be addressed by creating fusion proteins that combine the P450 and CPR functions while eliminating membrane anchors, allowing the production and purification of soluble multifunctional polypeptides suitable for industrial applications. Here we discuss several strategies for the construction of fusion enzymes combining insect P450 with CPRs.
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21
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Affiliation(s)
- Yujie Liang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road 38, Beijing 100191, China
| | - Jialiang Wei
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road 38, Beijing 100191, China
| | - Xu Qiu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road 38, Beijing 100191, China
| | - Ning Jiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Road 38, Beijing 100191, China
- State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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22
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Porter JL, Sabatini S, Manning J, Tavanti M, Galman JL, Turner NJ, Flitsch SL. Cloning, expression and characterisation of P450-Hal1 (CYP116B62) from Halomonas sp. NCIMB 172: A self-sufficient P450 with high expression and diverse substrate scope. Enzyme Microb Technol 2018; 113:1-8. [PMID: 29602381 DOI: 10.1016/j.enzmictec.2018.02.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 01/29/2018] [Accepted: 02/12/2018] [Indexed: 10/18/2022]
Abstract
Cytochrome P450 monooxygenases are able to catalyse a range of synthetically challenging reactions ranging from hydroxylation and demethylation to sulfoxidation and epoxidation. As such they have great potential for biocatalytic applications but are underutilised due to often-poor expression, stability and solubility in recombinant bacterial hosts. The use of self-sufficient P450 s with fused haem and reductase domains has already contributed heavily to improving catalytic efficiency and simplifying an otherwise more complex multi-component system of P450 and redox partners. Herein, we present a new addition to the class VII family with the cloning, sequencing and characterisation of the self-sufficient CYP116B62 Hal1 from Halomonas sp. NCIMB 172, the genome of which has not yet been sequenced. Hal1 exhibits high levels of expression in a recombinant E. coli host and can be utilised from cell lysate or used in purified form. Hal1 favours NADPH as electron donor and displays a diverse range of activities including hydroxylation, demethylation and sulfoxidation. These properties make Hal1 suitable for future biocatalytic applications or as a template for optimisation through engineering.
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Affiliation(s)
- Joanne L Porter
- School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, UK
| | - Selina Sabatini
- School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, UK
| | - Jack Manning
- School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, UK
| | - Michele Tavanti
- School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, UK
| | - James L Galman
- School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, UK
| | - Nicholas J Turner
- School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, UK
| | - Sabine L Flitsch
- School of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, UK.
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23
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Tavanti M, Porter JL, Sabatini S, Turner NJ, Flitsch SL. Panel of New Thermostable CYP116B Self-Sufficient Cytochrome P450 Monooxygenases that Catalyze C−H Activation with a Diverse Substrate Scope. ChemCatChem 2018. [DOI: 10.1002/cctc.201701510] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Michele Tavanti
- School of Chemistry, Manchester Institute of Biotechnology; University of Manchester; 131 Princess Street Manchester M1 7DN UK
| | - Joanne L. Porter
- School of Chemistry, Manchester Institute of Biotechnology; University of Manchester; 131 Princess Street Manchester M1 7DN UK
| | - Selina Sabatini
- School of Chemistry, Manchester Institute of Biotechnology; University of Manchester; 131 Princess Street Manchester M1 7DN UK
| | - Nicholas J. Turner
- School of Chemistry, Manchester Institute of Biotechnology; University of Manchester; 131 Princess Street Manchester M1 7DN UK
| | - Sabine L. Flitsch
- School of Chemistry, Manchester Institute of Biotechnology; University of Manchester; 131 Princess Street Manchester M1 7DN UK
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24
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Li RJ, Li A, Zhao J, Chen Q, Li N, Yu HL, Xu JH. Engineering P450LaMO stereospecificity and product selectivity for selective C–H oxidation of tetralin-like alkylbenzenes. Catal Sci Technol 2018. [DOI: 10.1039/c8cy01448e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Via Phe scanning based protein engineering, P450LaMO increased enantioselectivity to er 98 : 2 and product selectivity, alcohol : ketone, to ak 99 : 1.
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Affiliation(s)
- Ren-Jie Li
- State Key Laboratory of Bioreactor Engineering
- Shanghai Collaborative Innovation Center for Biomanufacturing
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Aitao Li
- Hubei Collaborative Innovation Center for Green Transformation of Bio-resources
- Hubei Key Laboratory of Industrial Biotechnology
- College of Life Sciences
- Hubei University
- Wuhan 430062
| | - Jing Zhao
- Tianjin Institute of Industrial Biotechnology
- Chinese Academy of Sciences
- Tianjin 300308
- P. R. China
| | - Qi Chen
- State Key Laboratory of Bioreactor Engineering
- Shanghai Collaborative Innovation Center for Biomanufacturing
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Ning Li
- State Key Laboratory of Pulp and Paper Engineering
- College of Light Industry and Food Sciences
- South China University of Technology
- Guangzhou
- China
| | - Hui-Lei Yu
- State Key Laboratory of Bioreactor Engineering
- Shanghai Collaborative Innovation Center for Biomanufacturing
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Jian-He Xu
- State Key Laboratory of Bioreactor Engineering
- Shanghai Collaborative Innovation Center for Biomanufacturing
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
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