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Abstract
Inflammatory processes occur as a generic response of the immune system and can be triggered by various factors, such as infection with pathogenic microorganisms or damaged tissue. Due to the complexity of the inflammation process and its role in common diseases like asthma, cancer, skin disorders or Alzheimer's disease, anti-inflammatory drugs are of high pharmaceutical interest. Nature is a rich source for compounds with anti-inflammatory properties. Several studies have focused on the structural optimization of natural products to improve their pharmacological properties. As derivatization through total synthesis is often laborious with low yields and limited stereoselectivity, the use of biosynthetic, enzyme-driven reactions is an attractive alternative for synthesizing and modifying complex bioactive molecules. In this minireview, we present an outline of the biotechnological methods used to derivatize anti-inflammatory natural products, including precursor-directed biosynthesis, mutasynthesis, combinatorial biosynthesis, as well as whole-cell and in vitro biotransformation.
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Affiliation(s)
- Lea Winand
- Department of Biochemical and Chemical EngineeringLaboratory of Technical BiologyTU Dortmund UniversityEmil-Figge-Strasse 6644227DortmundGermany
| | - Angela Sester
- Department of Biochemical and Chemical EngineeringLaboratory of Technical BiologyTU Dortmund UniversityEmil-Figge-Strasse 6644227DortmundGermany
- Current address: Chair of Technical BiochemistryTechnical University of DresdenBergstrasse 6601069DresdenGermany
| | - Markus Nett
- Department of Biochemical and Chemical EngineeringLaboratory of Technical BiologyTU Dortmund UniversityEmil-Figge-Strasse 6644227DortmundGermany
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2
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Andler O, Kazmaier U. A Straightforward Synthesis of Polyketides via Ester Dienolate Matteson Homologation. Chemistry 2021; 27:949-953. [PMID: 33089903 PMCID: PMC7839490 DOI: 10.1002/chem.202004650] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Indexed: 12/22/2022]
Abstract
Application of ester dienolates as nucleophiles in Matteson homologations allows for the stereoselective synthesis of highly substituted α,β-unsaturated δ-hydroxy carboxyl acids, structural motifs widespread found in polyketide natural products. The protocol is rather flexible and permits the introduction of substituents and functionalities also at those positions which are not accessible by the commonly used aldol reaction. Therefore, this ester dienolate Matteson approach is an interesting alternative to the "classical" polyketide syntheses.
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Affiliation(s)
- Oliver Andler
- Institut für Organische ChemieUniversität des SaarlandesCampus C4.266123SaarbrückenGermany
| | - Uli Kazmaier
- Institut für Organische ChemieUniversität des SaarlandesCampus C4.266123SaarbrückenGermany
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3
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Wang C, Lambert C, Hauser M, Deuschmann A, Zeilinger C, Rottner K, Stradal TEB, Stadler M, Skellam EJ, Cox RJ. Diversely Functionalised Cytochalasins through Mutasynthesis and Semi-Synthesis. Chemistry 2020; 26:13578-13583. [PMID: 32484589 PMCID: PMC7692911 DOI: 10.1002/chem.202002241] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Indexed: 11/11/2022]
Abstract
Mutasynthesis of pyrichalasin H from Magnaporthe grisea NI980 yielded a series of unprecedented 4'-substituted cytochalasin analogues in titres as high as the wild-type system (≈60 mg L-1 ). Halogenated, O-alkyl, O-allyl and O-propargyl examples were formed, as well as a 4'-azido analogue. 4'-O-Propargyl and 4'-azido analogues reacted smoothly in Huisgen cycloaddition reactions, whereas p-Br and p-I compounds reacted in Pd-catalysed cross-coupling reactions. A series of examples of biotin-linked, dye-linked and dimeric cytochalasins was rapidly created. In vitro and in vivo bioassays of these compounds showed that the 4'-halogenated and azido derivatives retained their cytotoxicity and antifungal activities; but a unique 4'-amino analogue was inactive. Attachment of larger substituents attenuated the bioactivities. In vivo actin-binding studies with adherent mammalian cells showed that actin remains the likely intracellular target. Dye-linked compounds revealed visualisation of intracellular actin structures even in the absence of phalloidin, thus constituting a potential new class of actin-visualisation tools with filament-barbed end-binding specificity.
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Affiliation(s)
- Chongqing Wang
- Institute for Organic Chemistry and BMWZLeibniz University of HannoverSchneiderberg 3830167HannoverGermany
| | - Christopher Lambert
- Department Microbial DrugsHelmholtz Centre for Infection Research, Bldg. B, Room 175aInhoffenstrasse 738124BraunschweigGermany
- Division of Molecular Cell BiologyZoological InstituteTechnische Universität BraunschweigSpielmannstrasse 738106BraunschweigGermany
| | - Maurice Hauser
- Institute for Organic Chemistry and BMWZLeibniz University of HannoverSchneiderberg 3830167HannoverGermany
| | - Adrian Deuschmann
- Institute for Organic Chemistry and BMWZLeibniz University of HannoverSchneiderberg 3830167HannoverGermany
| | - Carsten Zeilinger
- Institute for Organic Chemistry and BMWZLeibniz University of HannoverSchneiderberg 3830167HannoverGermany
| | - Klemens Rottner
- Department of Cell BiologyHelmholtz Centre for Infection ResearchInhoffenstrasse 738124BraunschweigGermany
- Division of Molecular Cell BiologyZoological InstituteTechnische Universität BraunschweigSpielmannstrasse 738106BraunschweigGermany
| | - Theresia E. B. Stradal
- Department of Cell BiologyHelmholtz Centre for Infection ResearchInhoffenstrasse 738124BraunschweigGermany
| | - Marc Stadler
- Department Microbial DrugsHelmholtz Centre for Infection Research, Bldg. B, Room 175aInhoffenstrasse 738124BraunschweigGermany
| | - Elizabeth J. Skellam
- Institute for Organic Chemistry and BMWZLeibniz University of HannoverSchneiderberg 3830167HannoverGermany
| | - Russell J. Cox
- Institute for Organic Chemistry and BMWZLeibniz University of HannoverSchneiderberg 3830167HannoverGermany
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4
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Wesemann F, Heutling A, Wienecke P, Kirschning A. First Ring-Expanded Maytansin Lactone Accessed by a New Mutasynthetic Variant. Chembiochem 2020; 21:2927-2930. [PMID: 32484951 PMCID: PMC7689855 DOI: 10.1002/cbic.202000336] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Indexed: 12/15/2022]
Abstract
A multiblocked mutant strain (ΔAHBA and Δasm12, asm21) of Actinosynnema pretiosum, the producer of the highly toxic maytansinoid ansamitocin, has been used for the mutasynthetic production of new proansamitocin derivatives. The use of mutant strains that are blocked in the biosynthesis of an early building block as well as in the expression of two tailoring enzymes broadens the scope of chemo-biosynthetic access to new maytansinoids. Remarkably, a ring-expanded macrolactone derived from ansamitocin was created for the first time.
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Affiliation(s)
- Friederike Wesemann
- Institute of Organic Chemistry and, Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Anja Heutling
- Institute of Organic Chemistry and, Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Paul Wienecke
- Institute of Organic Chemistry and, Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Andreas Kirschning
- Institute of Organic Chemistry and, Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
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5
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Chiu C, Jheng T, Peng B, Chung W, Mong KT. Convergent Synthesis of Macrocyclic and Linear Desferrioxamines. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000439] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Cheng‐Hsin Chiu
- Applied Chemistry Department National Chiao Tung University 1001, University Road R.O.C. 30069 Hsinchu City Taiwan
| | - Ting‐Cian Jheng
- Applied Chemistry Department National Chiao Tung University 1001, University Road R.O.C. 30069 Hsinchu City Taiwan
| | - Bo‐Chun Peng
- Applied Chemistry Department National Chiao Tung University 1001, University Road R.O.C. 30069 Hsinchu City Taiwan
| | - Wen‐Sheng Chung
- Applied Chemistry Department National Chiao Tung University 1001, University Road R.O.C. 30069 Hsinchu City Taiwan
| | - Kwok‐Kong Tony Mong
- Applied Chemistry Department National Chiao Tung University 1001, University Road R.O.C. 30069 Hsinchu City Taiwan
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6
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Sester A, Stüer-Patowsky K, Hiller W, Kloss F, Lütz S, Nett M. Biosynthetic Plasticity Enables Production of Fluorinated Aurachins. Chembiochem 2020; 21:2268-2273. [PMID: 32216075 PMCID: PMC7496329 DOI: 10.1002/cbic.202000166] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 03/25/2020] [Indexed: 12/15/2022]
Abstract
Enzyme promiscuity has important implications in the field of biocatalysis. In some cases, structural analogues of simple metabolic building blocks can be processed through entire pathways to give natural product derivatives that are not readily accessible by chemical means. In this study, we explored the plasticity of the aurachin biosynthesis pathway with regard to using fluoro‐ and chloroanthranilic acids, which are not abundant in the bacterial producers of these quinolone antibiotics. The incorporation rates of the tested precursor molecules disclosed a regiopreference for halogen substitution as well as steric limitations of enzymatic substrate tolerance. Three previously undescribed fluorinated aurachin derivatives were produced in preparative amounts by fermentation and structurally characterized. Furthermore, their antibacterial activities were evaluated in comparison to their natural congener aurachin D.
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Affiliation(s)
- Angela Sester
- Department of Biochemical and Chemical Engineering Laboratory of Technical Biology, TU Dortmund, Emil-Figge-Strasse 66, 44227, Dortmund, Germany
| | - Katrin Stüer-Patowsky
- Department of Biochemical and Chemical Engineering Laboratory of Technical Biology, TU Dortmund, Emil-Figge-Strasse 66, 44227, Dortmund, Germany
| | - Wolf Hiller
- Department of Chemistry and Chemical Biology NMR Laboratory, TU Dortmund, Otto-Hahn-Strasse 4a, 44227, Dortmund, Germany
| | - Florian Kloss
- Transfer Group Antiinfectives, Leibniz Institute for Natural Product Research and Infection Biology, Beutenbergstrasse 11a, 07745, Jena, Germany
| | - Stephan Lütz
- Department of Biochemical and Chemical Engineering Chair for Bioprocess Engineering, TU Dortmund, Emil-Figge-Strase 66, 44227, Dortmund, Germany
| | - Markus Nett
- Department of Biochemical and Chemical Engineering Laboratory of Technical Biology, TU Dortmund, Emil-Figge-Strasse 66, 44227, Dortmund, Germany
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7
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Harms V, Kirschning A, Dickschat JS. Nature-driven approaches to non-natural terpene analogues. Nat Prod Rep 2020; 37:1080-1097. [DOI: 10.1039/c9np00055k] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The reactions catalysed by terpene synthases belong to the most complex and fascinating cascade-type transformations in Nature.
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Affiliation(s)
- Vanessa Harms
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ)
- Leibniz Universität Hannover
- 30167 Hannover
- Germany
| | - Andreas Kirschning
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ)
- Leibniz Universität Hannover
- 30167 Hannover
- Germany
| | - Jeroen S. Dickschat
- Kekulé-Institute of Organic Chemistry and Biochemistry
- University of Bonn
- 53121 Bonn
- Germany
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8
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Hermane J, Eichner S, Mancuso L, Schröder B, Sasse F, Zeilinger C, Kirschning A. New geldanamycin derivatives with anti Hsp properties by mutasynthesis. Org Biomol Chem 2019; 17:5269-5278. [PMID: 31089638 DOI: 10.1039/c9ob00892f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mutasynthetic supplementation of the AHBA blocked mutant strain of S. hygroscopicus, the geldanamycin producer, with 21 aromatic and heteroaromatic amino acids provided new nonquinoid geldanamycin derivatives. Large scale (5 L) fermentation provided four new derivatives in sufficient quantity for full structural characterisation. Among these, the first thiophene derivative of reblastatin showed strong antiproliferative activity towards several human cancer cell lines. Additionally, inhibitory effects on human heat shock protein Hsp90α and bacterial heat shock protein from H. pylori HpHtpG were observed, revealing strong displacement properties for labelled ATP and demonstrating that the ATP-binding site of Hsps is the target site for the new geldanamycin derivatives.
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Affiliation(s)
- Jekaterina Hermane
- Institute of Organic Chemistry, Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover, Germany.
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9
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Ceballos J, Schwalfenberg M, Karageorgis G, Reckzeh ES, Sievers S, Ostermann C, Pahl A, Sellstedt M, Nowacki J, Carnero Corrales MA, Wilke J, Laraia L, Tschapalda K, Metz M, Sehr DA, Brand S, Winklhofer K, Janning P, Ziegler S, Waldmann H. Synthesis of Indomorphan Pseudo-Natural Product Inhibitors of Glucose Transporters GLUT-1 and -3. Angew Chem Int Ed Engl 2019; 58:17016-17025. [PMID: 31469221 PMCID: PMC6900016 DOI: 10.1002/anie.201909518] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 08/12/2019] [Indexed: 12/22/2022]
Abstract
Bioactive compound design based on natural product (NP) structure may be limited because of partial coverage of NP-like chemical space and biological target space. These limitations can be overcome by combining NP-centered strategies with fragment-based compound design through combination of NP-derived fragments to afford structurally unprecedented "pseudo-natural products" (pseudo-NPs). The design, synthesis, and biological evaluation of a collection of indomorphan pseudo-NPs that combine biosynthetically unrelated indole- and morphan-alkaloid fragments are described. Indomorphane derivative Glupin was identified as a potent inhibitor of glucose uptake by selectively targeting and upregulating glucose transporters GLUT-1 and GLUT-3. Glupin suppresses glycolysis, reduces the levels of glucose-derived metabolites, and attenuates the growth of various cancer cell lines. Our findings underscore the importance of dual GLUT-1 and GLUT-3 inhibition to efficiently suppress tumor cell growth and the cellular rescue mechanism, which counteracts glucose scarcity.
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Affiliation(s)
- Javier Ceballos
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Current address: Laboratory of Catalysis and Organic SynthesisEPFL SB ISIC LCSO, BCH 42211015LausanneSwitzerland
| | - Melanie Schwalfenberg
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - George Karageorgis
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Current address: School of ChemistryUniversity of LeedsLeedsLS2 9JTUK
| | - Elena S. Reckzeh
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Faculty of Chemistry and Chemical BiologyTechnical University DortmundOtto-Hahn-Strasse 644227DortmundGermany
| | - Sonja Sievers
- Compound Management and Screening Center, DortmundOtto-Hahn-Strasse 1144227DortmundGermany
| | - Claude Ostermann
- Compound Management and Screening Center, DortmundOtto-Hahn-Strasse 1144227DortmundGermany
| | - Axel Pahl
- Compound Management and Screening Center, DortmundOtto-Hahn-Strasse 1144227DortmundGermany
| | - Magnus Sellstedt
- Department of ChemistryUmeå University901 87UmeåSweden
- Current address: Clinical Chemistry, Laboratory MedicineUniversity Hospital of Umeå901 85UmeåSweden
| | - Jessica Nowacki
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Marjorie A. Carnero Corrales
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Julian Wilke
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Faculty of Chemistry and Chemical BiologyTechnical University DortmundOtto-Hahn-Strasse 644227DortmundGermany
| | - Luca Laraia
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Current address: Department of ChemistryTechnical University of DenmarkKemitorvet, Bygning 2072800Kgs LyngbyDenmark
| | - Kirsten Tschapalda
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Malte Metz
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Dominik A. Sehr
- Department of Molecular Cell BiologyInstitute of Biochemistry and PathobiochemistryRuhr University Bochum44801BochumGermany
| | - Silke Brand
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Konstanze Winklhofer
- Department of Molecular Cell BiologyInstitute of Biochemistry and PathobiochemistryRuhr University Bochum44801BochumGermany
| | - Petra Janning
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Slava Ziegler
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Herbert Waldmann
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Faculty of Chemistry and Chemical BiologyTechnical University DortmundOtto-Hahn-Strasse 644227DortmundGermany
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10
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Ceballos J, Schwalfenberg M, Karageorgis G, Reckzeh ES, Sievers S, Ostermann C, Pahl A, Sellstedt M, Nowacki J, Carnero Corrales MA, Wilke J, Laraia L, Tschapalda K, Metz M, Sehr DA, Brand S, Winklhofer K, Janning P, Ziegler S, Waldmann H. Synthesis of Indomorphan Pseudo‐Natural Product Inhibitors of Glucose Transporters GLUT‐1 and ‐3. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909518] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Javier Ceballos
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Current address: Laboratory of Catalysis and Organic SynthesisEPFL SB ISIC LCSO, BCH 4221 1015 Lausanne Switzerland
| | - Melanie Schwalfenberg
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - George Karageorgis
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Current address: School of ChemistryUniversity of Leeds Leeds LS2 9JT UK
| | - Elena S. Reckzeh
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Faculty of Chemistry and Chemical BiologyTechnical University Dortmund Otto-Hahn-Strasse 6 44227 Dortmund Germany
| | - Sonja Sievers
- Compound Management and Screening Center, Dortmund Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Claude Ostermann
- Compound Management and Screening Center, Dortmund Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Axel Pahl
- Compound Management and Screening Center, Dortmund Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Magnus Sellstedt
- Department of ChemistryUmeå University 901 87 Umeå Sweden
- Current address: Clinical Chemistry, Laboratory MedicineUniversity Hospital of Umeå 901 85 Umeå Sweden
| | - Jessica Nowacki
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Marjorie A. Carnero Corrales
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Julian Wilke
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Faculty of Chemistry and Chemical BiologyTechnical University Dortmund Otto-Hahn-Strasse 6 44227 Dortmund Germany
| | - Luca Laraia
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Current address: Department of ChemistryTechnical University of Denmark Kemitorvet, Bygning 207 2800 Kgs Lyngby Denmark
| | - Kirsten Tschapalda
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Malte Metz
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Dominik A. Sehr
- Department of Molecular Cell BiologyInstitute of Biochemistry and PathobiochemistryRuhr University Bochum 44801 Bochum Germany
| | - Silke Brand
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Konstanze Winklhofer
- Department of Molecular Cell BiologyInstitute of Biochemistry and PathobiochemistryRuhr University Bochum 44801 Bochum Germany
| | - Petra Janning
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Slava Ziegler
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Herbert Waldmann
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Faculty of Chemistry and Chemical BiologyTechnical University Dortmund Otto-Hahn-Strasse 6 44227 Dortmund Germany
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11
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Grote M, Schulz F. Exploring the Promiscuous Enzymatic Activation of Unnatural Polyketide Extender Units in Vitro and in Vivo for Monensin Biosynthesis. Chembiochem 2019; 20:1183-1189. [DOI: 10.1002/cbic.201800734] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Marius Grote
- Fakultät für Chemie und BiochemieRuhr-Universität Bochum Universitätsstrassee 150 44780 Bochum Germany
| | - Frank Schulz
- Fakultät für Chemie und BiochemieRuhr-Universität Bochum Universitätsstrassee 150 44780 Bochum Germany
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12
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Rinkel J, Lauterbach L, Dickschat JS. Eine verzweigte Diterpenkaskade: der Mechanismus der Spinodien-Synthase aus Saccharopolyspora spinosa. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201812216] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Jan Rinkel
- Kekulé-Institut für Organische Chemie und Biochemie; Rheinische Friedrich-Wilhelms-Universität Bonn; Gerhard-Domagk-Straße 1 53121 Bonn Deutschland
| | - Lukas Lauterbach
- Kekulé-Institut für Organische Chemie und Biochemie; Rheinische Friedrich-Wilhelms-Universität Bonn; Gerhard-Domagk-Straße 1 53121 Bonn Deutschland
| | - Jeroen S. Dickschat
- Kekulé-Institut für Organische Chemie und Biochemie; Rheinische Friedrich-Wilhelms-Universität Bonn; Gerhard-Domagk-Straße 1 53121 Bonn Deutschland
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13
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Rinkel J, Lauterbach L, Dickschat JS. A Branched Diterpene Cascade: The Mechanism of Spinodiene Synthase from Saccharopolyspora spinosa. Angew Chem Int Ed Engl 2018; 58:452-455. [DOI: 10.1002/anie.201812216] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Jan Rinkel
- Kekulé-Institut für Organische Chemie und Biochemie; Rheinische Friedrich-Wilhelms-Universität Bonn; Gerhard-Domagk-Strasse 1 53121 Bonn Germany
| | - Lukas Lauterbach
- Kekulé-Institut für Organische Chemie und Biochemie; Rheinische Friedrich-Wilhelms-Universität Bonn; Gerhard-Domagk-Strasse 1 53121 Bonn Germany
| | - Jeroen S. Dickschat
- Kekulé-Institut für Organische Chemie und Biochemie; Rheinische Friedrich-Wilhelms-Universität Bonn; Gerhard-Domagk-Strasse 1 53121 Bonn Germany
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14
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Cormier M, de la Torre A, Marek I. Total Synthesis of C30 Botryococcene and
epi
‐Botryococcene by a Diastereoselective Ring Opening of Alkenylcyclopropanes. Angew Chem Int Ed Engl 2018; 57:13237-13241. [DOI: 10.1002/anie.201808709] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Revised: 08/22/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Morgan Cormier
- Technion—Israel Institute of TechnologySchulich Faculty of Chemistry Technion City Haifa 32000 Israel
| | - Aurélien de la Torre
- Technion—Israel Institute of TechnologySchulich Faculty of Chemistry Technion City Haifa 32000 Israel
| | - Ilan Marek
- Technion—Israel Institute of TechnologySchulich Faculty of Chemistry Technion City Haifa 32000 Israel
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15
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Andrei SA, de Vink P, Sijbesma E, Han L, Brunsveld L, Kato N, Ottmann C, Higuchi Y. Rationally Designed Semisynthetic Natural Product Analogues for Stabilization of 14-3-3 Protein-Protein Interactions. Angew Chem Int Ed Engl 2018; 57:13470-13474. [PMID: 30025189 DOI: 10.1002/anie.201806584] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/17/2018] [Indexed: 12/22/2022]
Abstract
The natural product family of fusicoccanes are stabilizers of 14-3-3 mediated protein-protein interactions (PPIs), some of which possess antitumor activity. In this study, the first use of molecular dynamics (MD) to rationally design PPI stabilizers with increased potency is presented. Synthesis of a focused library, with subsequent characterization by fluorescence polarization, mutational studies, and X-ray crystallography confirmed the power of the MD-based design approach, revealing the potential for an additional hydrogen bond with the 14-3-3 protein to lead to significantly increased potency. Additionally, these compounds exert their action in a cellular environment with increased potency. The newly found polar interaction could provide an anchoring point for new small-molecule PPI stabilizers. These results facilitate the development of fusicoccanes towards drugs or tool compounds, as well as allowing the study of the fundamental principles behind PPI stabilization.
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Affiliation(s)
- Sebastian A Andrei
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems, Department of Biomedical Engineering, Eindhoven University of Technology, Den Dolech 2, 5612, AZ, Eindhoven, The Netherlands
| | - Pim de Vink
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems, Department of Biomedical Engineering, Eindhoven University of Technology, Den Dolech 2, 5612, AZ, Eindhoven, The Netherlands
| | - Eline Sijbesma
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems, Department of Biomedical Engineering, Eindhoven University of Technology, Den Dolech 2, 5612, AZ, Eindhoven, The Netherlands
| | - Ling Han
- The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka, 567-0047, Japan
| | - Luc Brunsveld
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems, Department of Biomedical Engineering, Eindhoven University of Technology, Den Dolech 2, 5612, AZ, Eindhoven, The Netherlands
| | - Nobuo Kato
- The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka, 567-0047, Japan
| | - Christian Ottmann
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems, Department of Biomedical Engineering, Eindhoven University of Technology, Den Dolech 2, 5612, AZ, Eindhoven, The Netherlands.,Department of Chemistry, University of Duisburg-Essen, Universitätsstrasse 7, 45117, Essen, Germany
| | - Yusuke Higuchi
- The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka, 567-0047, Japan
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16
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Andrei SA, de Vink P, Sijbesma E, Han L, Brunsveld L, Kato N, Ottmann C, Higuchi Y. Rationally Designed Semisynthetic Natural Product Analogues for Stabilization of 14-3-3 Protein-Protein Interactions. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806584] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Sebastian A. Andrei
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems; Department of Biomedical Engineering; Eindhoven University of Technology; Den Dolech 2 5612 AZ Eindhoven The Netherlands
| | - Pim de Vink
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems; Department of Biomedical Engineering; Eindhoven University of Technology; Den Dolech 2 5612 AZ Eindhoven The Netherlands
| | - Eline Sijbesma
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems; Department of Biomedical Engineering; Eindhoven University of Technology; Den Dolech 2 5612 AZ Eindhoven The Netherlands
| | - Ling Han
- The Institute of Scientific and Industrial Research; Osaka University; Ibaraki, Osaka 567-0047 Japan
| | - Luc Brunsveld
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems; Department of Biomedical Engineering; Eindhoven University of Technology; Den Dolech 2 5612 AZ Eindhoven The Netherlands
| | - Nobuo Kato
- The Institute of Scientific and Industrial Research; Osaka University; Ibaraki, Osaka 567-0047 Japan
| | - Christian Ottmann
- Laboratory of Chemical Biology and Institute for Complex Molecular Systems; Department of Biomedical Engineering; Eindhoven University of Technology; Den Dolech 2 5612 AZ Eindhoven The Netherlands
- Department of Chemistry; University of Duisburg-Essen; Universitätsstrasse 7 45117 Essen Germany
| | - Yusuke Higuchi
- The Institute of Scientific and Industrial Research; Osaka University; Ibaraki, Osaka 567-0047 Japan
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17
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Cormier M, de la Torre A, Marek I. Total Synthesis of C30 Botryococcene and
epi
‐Botryococcene by a Diastereoselective Ring Opening of Alkenylcyclopropanes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808709] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Morgan Cormier
- Technion—Israel Institute of TechnologySchulich Faculty of Chemistry Technion City Haifa 32000 Israel
| | - Aurélien de la Torre
- Technion—Israel Institute of TechnologySchulich Faculty of Chemistry Technion City Haifa 32000 Israel
| | - Ilan Marek
- Technion—Israel Institute of TechnologySchulich Faculty of Chemistry Technion City Haifa 32000 Israel
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18
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Complex molecules, clever solutions – Enzymatic approaches towards natural product and active agent syntheses. Bioorg Med Chem 2018; 26:1285-1303. [DOI: 10.1016/j.bmc.2017.06.045] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 05/29/2017] [Accepted: 06/27/2017] [Indexed: 12/31/2022]
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19
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Mohammadi-Ostad-Kalayeh S, Stahl F, Scheper T, Kock K, Herrmann C, Heleno Batista FA, Borges JC, Sasse F, Eichner S, Ongouta J, Zeilinger C, Kirschning A. Heat Shock Proteins Revisited: Using a Mutasynthetically Generated Reblastatin Library to Compare the Inhibition of Human and Leishmania Hsp90s. Chembiochem 2018; 19:562-574. [PMID: 29265716 DOI: 10.1002/cbic.201700616] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Indexed: 01/12/2023]
Abstract
Thirteen new reblastatin derivatives, with alkynyl, amino and fluoro substituents on the aromatic ring, were prepared by a chemo-biosynthetic approach using an AHBA(-) mutant strain of Streptomyces hygroscopicus, the geldanamycin producer. The inhibitory potencies of these mutaproducts and of an extended library of natural products and derivatives were probed with purified heat shock proteins (Hsps), obtained from Leishmania braziliensis (LbHsp90) as well as from human sources (HsHsp90). We determined the activities of potential inhibitors by means of a displacement assay in which fluorescence-labelled ATP competes for the ATP binding sites of Hsps in the presence of the inhibitor in question. The results were compared with those of cell-based assays and, in selected cases, of isothermal titration calorimetry (ITC) measurements. In essence, reblastatin derivatives are also able to bind effectively to the ATP-binding site of LbHsp90, and for selected derivatives, moderate differences in binding to LbHsp90 and HsHsp90 were encountered. This work demonstrates that parasitic heat shock proteins can be developed as potential pharmaceutical targets.
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Affiliation(s)
- Sona Mohammadi-Ostad-Kalayeh
- Institute of Biophysics and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 38, 30167, Hannover, Germany
| | - Frank Stahl
- Institute of Technical Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Callinstrasse 5, 30167, Hannover, Germany
| | - Thomas Scheper
- Institute of Technical Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Callinstrasse 5, 30167, Hannover, Germany
| | - Klaus Kock
- Physical Chemistry I, Ruhr University Bochum, Universitätsstrasse 150, 44801, Bochum, Germany
| | - Christian Herrmann
- Physical Chemistry I, Ruhr University Bochum, Universitätsstrasse 150, 44801, Bochum, Germany
| | | | - Júlio César Borges
- São Carlos Institute of Chemistry, University of São Paulo, USP, São Carlos, SP, 13560-970, Brazil
| | - Florenz Sasse
- Department of Chemical Biology, Helmholtz Center of Infectious Research (HZI), Inhoffenstrasse 7, 38124, Braunschweig, Germany
| | - Simone Eichner
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Jekaterina Ongouta
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Carsten Zeilinger
- Institute of Biophysics and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 38, 30167, Hannover, Germany
| | - Andreas Kirschning
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
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20
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Sung KH, Berkhan G, Hollmann T, Wagner L, Blankenfeldt W, Hahn F. Einblicke in die duale Aktivität einer bifunktionalen Dehydratase-Cyclase-Domäne. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707774] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kwang Hoon Sung
- Helmholtz-Zentrum für Infektionsforschung GmbH; Inhoffenstraße 7 38124 Braunschweig Deutschland
- Institut für Biochemie, Biotechnologie und Bioinformatik; Technische Universität Braunschweig; Spielmannstraße 7 38106 Braunschweig Deutschland
| | - Gesche Berkhan
- Professur für Organische Chemie, Lebensmittelchemie, Fachgruppe Chemie, Fakultät für Biologie, Chemie und Geowissenschaften; Universität Bayreuth; Universitätsstraße 30 95447 Bayreuth Deutschland
- Zentrum für Biomolekulare Wirkstoffe, BMWZ; Leibniz Universität Hannover; Schneiderberg 38 30167 Hannover Deutschland
| | - Tim Hollmann
- Professur für Organische Chemie, Lebensmittelchemie, Fachgruppe Chemie, Fakultät für Biologie, Chemie und Geowissenschaften; Universität Bayreuth; Universitätsstraße 30 95447 Bayreuth Deutschland
| | - Lisa Wagner
- Professur für Organische Chemie, Lebensmittelchemie, Fachgruppe Chemie, Fakultät für Biologie, Chemie und Geowissenschaften; Universität Bayreuth; Universitätsstraße 30 95447 Bayreuth Deutschland
| | - Wulf Blankenfeldt
- Helmholtz-Zentrum für Infektionsforschung GmbH; Inhoffenstraße 7 38124 Braunschweig Deutschland
- Institut für Biochemie, Biotechnologie und Bioinformatik; Technische Universität Braunschweig; Spielmannstraße 7 38106 Braunschweig Deutschland
| | - Frank Hahn
- Professur für Organische Chemie, Lebensmittelchemie, Fachgruppe Chemie, Fakultät für Biologie, Chemie und Geowissenschaften; Universität Bayreuth; Universitätsstraße 30 95447 Bayreuth Deutschland
- Zentrum für Biomolekulare Wirkstoffe, BMWZ; Leibniz Universität Hannover; Schneiderberg 38 30167 Hannover Deutschland
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21
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Sung KH, Berkhan G, Hollmann T, Wagner L, Blankenfeldt W, Hahn F. Insights into the Dual Activity of a Bifunctional Dehydratase-Cyclase Domain. Angew Chem Int Ed Engl 2017; 57:343-347. [PMID: 29084363 DOI: 10.1002/anie.201707774] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Indexed: 01/12/2023]
Abstract
Oxygen-containing heterocycles are a common structural motif in polyketide natural products and contribute significantly to their biological activity. Here, we report structural and mechanistic investigations on AmbDH3, a polyketide synthase domain with dual activity as dehydratase (DH) and pyran-forming cyclase in ambruticin biosynthesis. AmbDH3 is similar to monofunctional DH domains, using H51 and D215 for dehydration. V173 was confirmed as a diagnostic residue for cyclization activity by a mutational study and enzymatic in vitro experiments. Similar motifs were observed in the seemingly monofunctional AmbDH2, which also shows an unexpected cyclase activity. Our results pave the way for mining of hidden cyclases in biosynthetic pathways. They also open interesting prospects for the generation of novel biocatalysts for chemoenzymatic synthesis and pyran-polyketides by combinatorial biosynthesis.
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Affiliation(s)
- Kwang Hoon Sung
- Helmholtz-Zentrum für Infektionsforschung GmbH, Inhoffenstrasse 7, 38124, Braunschweig, Germany.,Institute of Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstrasse 7, 38106, Braunschweig, Germany
| | - Gesche Berkhan
- Professur für Organische Chemie, Lebensmittelchemie, Department of Chemistry, Fakultät für Biologie, Chemie und Geowissenschaften, Universität Bayreuth, Universitätsstrasse 30, 95447, Bayreuth, Germany.,Centre for Biomolecular Drug Research, BMWZ, Leibniz Universität Hannover, Schneiderberg 38, 30167, Hannover, Germany
| | - Tim Hollmann
- Professur für Organische Chemie, Lebensmittelchemie, Department of Chemistry, Fakultät für Biologie, Chemie und Geowissenschaften, Universität Bayreuth, Universitätsstrasse 30, 95447, Bayreuth, Germany
| | - Lisa Wagner
- Professur für Organische Chemie, Lebensmittelchemie, Department of Chemistry, Fakultät für Biologie, Chemie und Geowissenschaften, Universität Bayreuth, Universitätsstrasse 30, 95447, Bayreuth, Germany
| | - Wulf Blankenfeldt
- Helmholtz-Zentrum für Infektionsforschung GmbH, Inhoffenstrasse 7, 38124, Braunschweig, Germany.,Institute of Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstrasse 7, 38106, Braunschweig, Germany
| | - Frank Hahn
- Professur für Organische Chemie, Lebensmittelchemie, Department of Chemistry, Fakultät für Biologie, Chemie und Geowissenschaften, Universität Bayreuth, Universitätsstrasse 30, 95447, Bayreuth, Germany.,Centre for Biomolecular Drug Research, BMWZ, Leibniz Universität Hannover, Schneiderberg 38, 30167, Hannover, Germany
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22
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Süssmuth RD, Mainz A. Nonribosomal Peptide Synthesis-Principles and Prospects. Angew Chem Int Ed Engl 2017; 56:3770-3821. [PMID: 28323366 DOI: 10.1002/anie.201609079] [Citation(s) in RCA: 543] [Impact Index Per Article: 77.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Indexed: 01/05/2023]
Abstract
Nonribosomal peptide synthetases (NRPSs) are large multienzyme machineries that assemble numerous peptides with large structural and functional diversity. These peptides include more than 20 marketed drugs, such as antibacterials (penicillin, vancomycin), antitumor compounds (bleomycin), and immunosuppressants (cyclosporine). Over the past few decades biochemical and structural biology studies have gained mechanistic insights into the highly complex assembly line of nonribosomal peptides. This Review provides state-of-the-art knowledge on the underlying mechanisms of NRPSs and the variety of their products along with detailed analysis of the challenges for future reprogrammed biosynthesis. Such a reprogramming of NRPSs would immediately spur chances to generate analogues of existing drugs or new compound libraries of otherwise nearly inaccessible compound structures.
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Affiliation(s)
- Roderich D Süssmuth
- Technische Universität Berlin, Institut für Chemie, Strasse des 17. Juni 124, 10623, Berlin, Germany
| | - Andi Mainz
- Technische Universität Berlin, Institut für Chemie, Strasse des 17. Juni 124, 10623, Berlin, Germany
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23
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Süssmuth RD, Mainz A. Nicht-ribosomale Peptidsynthese - Prinzipien und Perspektiven. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201609079] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Roderich D. Süssmuth
- Technische Universität Berlin; Institut für Chemie; Straße des 17. Juni 124 10623 Berlin Deutschland
| | - Andi Mainz
- Technische Universität Berlin; Institut für Chemie; Straße des 17. Juni 124 10623 Berlin Deutschland
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24
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Wang LL, Balakrishnan A, Bigall NC, Candito D, Miethe JF, Seidel K, Xie Y, Ott M, Kirschning A. A Bio-Chemosynthetic Approach to Superparamagnetic Iron Oxide-Ansamitocin Conjugates for Use in Magnetic Drug Targeting. Chemistry 2017; 23:2265-2270. [PMID: 27935144 DOI: 10.1002/chem.201604903] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Indexed: 12/20/2022]
Abstract
A combination of mutasynthesis using a mutant strain of A. pretiosum blocked in the biosynthesis of amino-hydroxybenzoic acid (AHBA) and semisynthesis relying on a Stille cross-coupling step provided access to new ansamitocin derivatives of which one was attached by a thermolabile linker to nanostructured iron oxide particles. When exposed to an oscillating electromagnetic field the resulting iron oxide/ansamitocin conjugate 19 heats up in an aqueous suspension and the ansamitocin derivative 16 is released by means of a retro-Diels-Alder reaction. It exerts strong antiproliferative activity (IC50 =4.8 ng mg-1 ) in mouse fibroblasts. These new types of conjugates have the potential for combating cancer through hyperthermia and chemotherapy using an electromagnetic external trigger.
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Affiliation(s)
- Liang-Liang Wang
- Institut für Organische Chemie und Biomolekulares Wirkstoffzentrum (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Asha Balakrishnan
- Department of Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School (MHH), TWINCORE, Center for Experimental and Clinical Infection Research, Feodor-Lynen-Str. 7, 30625, Hannover, Germany
| | - Nadja-Carola Bigall
- Institut für Physikalische Chemie und Elektrochemie, Leibniz Universität Hannover, Callinstr. 3A, 30167, Hannover, Germany
| | - David Candito
- Institut für Organische Chemie und Biomolekulares Wirkstoffzentrum (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Jan Frederick Miethe
- Institut für Physikalische Chemie und Elektrochemie, Leibniz Universität Hannover, Callinstr. 3A, 30167, Hannover, Germany
| | - Katja Seidel
- Institut für Organische Chemie und Biomolekulares Wirkstoffzentrum (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Yu Xie
- Department of Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School (MHH), TWINCORE, Center for Experimental and Clinical Infection Research, Feodor-Lynen-Str. 7, 30625, Hannover, Germany
| | - Michael Ott
- Department of Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School (MHH), TWINCORE, Center for Experimental and Clinical Infection Research, Feodor-Lynen-Str. 7, 30625, Hannover, Germany
| | - Andreas Kirschning
- Institut für Organische Chemie und Biomolekulares Wirkstoffzentrum (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167, Hannover, Germany
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25
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Yang Y, Zhou H, Du G, Feng K, Feng T, Fu X, Liu J, Zeng Y. A Monooxygenase from
Boreostereum vibrans
Catalyzes Oxidative Decarboxylation in a Divergent Vibralactone Biosynthesis Pathway. Angew Chem Int Ed Engl 2016; 55:5463-6. [PMID: 27007916 DOI: 10.1002/anie.201510928] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 02/09/2016] [Indexed: 12/25/2022]
Affiliation(s)
- Yan‐Long Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hui Zhou
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Gang Du
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Ke‐Na Feng
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Tao Feng
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- School of Pharmaceutical Sciences South-Central University for Nationalities Wuhan 430074 China
| | - Xiao‐Li Fu
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
| | - Ji‐Kai Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- School of Pharmaceutical Sciences South-Central University for Nationalities Wuhan 430074 China
| | - Ying Zeng
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
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26
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Yang Y, Zhou H, Du G, Feng K, Feng T, Fu X, Liu J, Zeng Y. A Monooxygenase from
Boreostereum vibrans
Catalyzes Oxidative Decarboxylation in a Divergent Vibralactone Biosynthesis Pathway. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201510928] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yan‐Long Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hui Zhou
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Gang Du
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Ke‐Na Feng
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Tao Feng
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- School of Pharmaceutical Sciences South-Central University for Nationalities Wuhan 430074 China
| | - Xiao‐Li Fu
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
| | - Ji‐Kai Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
- School of Pharmaceutical Sciences South-Central University for Nationalities Wuhan 430074 China
| | - Ying Zeng
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 Yunnan China
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27
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Bułyszko I, Dräger G, Klenge A, Kirschning A. Evaluation of the Synthetic Potential of an AHBA Knockout Mutant of the Rifamycin Producer Amycolatopsis mediterranei. Chemistry 2015; 21:19231-42. [PMID: 26559164 DOI: 10.1002/chem.201503548] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2015] [Indexed: 12/17/2022]
Abstract
Supplementing an AHBA(-) mutant strain of Amycolatopsis mediterranei, the rifamycin producer, with a series of benzoic acid derivatives yielded new tetraketides containing different phenyl groups. These mutasynthetic studies revealed unique reductive properties of A. mediterranei towards nitro- and azidoarenes, leading to the corresponding anilines. In selected cases, the yields of mutaproducts (fermentation products isolated after feeding bacteria with chemically prepared analogs of natural building blocks) obtained are in a range (up to 118 mg L(-1)) that renders them useful as chiral building blocks for further synthetic endeavors. The configuration of the stereogenic centers at C6 and C7 was determined to be 6R,7S for one representative tetraketide. Importantly, processing beyond the tetraketide stage is not always blocked when the formation of the bicyclic naphthalene precursor cannot occur. This was proven by formation of a bromo undecaketide, an observation that has implications regarding the evolutionary development of rifamycin biosynthesis.
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Affiliation(s)
- Ilona Bułyszko
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover (Germany)
| | - Gerald Dräger
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover (Germany)
| | - Anja Klenge
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover (Germany)
| | - Andreas Kirschning
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover (Germany).
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28
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Gonsior M, Mühlenweg A, Tietzmann M, Rausch S, Poch A, Süssmuth RD. Biosynthesis of the Peptide Antibiotic Feglymycin by a Linear Nonribosomal Peptide Synthetase Mechanism. Chembiochem 2015; 16:2610-4. [PMID: 26515424 DOI: 10.1002/cbic.201500432] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Indexed: 11/12/2022]
Abstract
Feglymycin, a peptide antibiotic produced by Streptomyces sp. DSM 11171, consists mostly of nonproteinogenic phenylglycine-type amino acids. It possesses antibacterial activity against methicillin-resistant Staphylococcus aureus strains and antiviral activity against HIV. Inhibition of the early steps of bacterial peptidoglycan synthesis indicated a mode of action different from those of other peptide antibiotics. Here we describe the identification and assignment of the feglymycin (feg) biosynthesis gene cluster, which codes for a 13-module nonribosomal peptide synthetase (NRPS) system. Inactivation of an NRPS gene and supplementation of a hydroxymandelate oxidase mutant with the amino acid l-Hpg proved the identity of the feg cluster. Feeding of Hpg-related unnatural amino acids was not successful. This characterization of the feg cluster is an important step to understanding the biosynthesis of this potent antibacterial peptide.
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Affiliation(s)
- Melanie Gonsior
- Institut für Chemie, Technische Universität BerlinStrasse des 17. Juni 124, 10623, Berlin, Germany
| | - Agnes Mühlenweg
- Institut für Chemie, Technische Universität BerlinStrasse des 17. Juni 124, 10623, Berlin, Germany
| | - Marcel Tietzmann
- Institut für Chemie, Technische Universität BerlinStrasse des 17. Juni 124, 10623, Berlin, Germany
| | - Saskia Rausch
- Institut für Chemie, Technische Universität BerlinStrasse des 17. Juni 124, 10623, Berlin, Germany
| | - Annette Poch
- Institut für Chemie, Technische Universität BerlinStrasse des 17. Juni 124, 10623, Berlin, Germany
| | - Roderich D Süssmuth
- Institut für Chemie, Technische Universität BerlinStrasse des 17. Juni 124, 10623, Berlin, Germany.
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Hermane J, Bułyszko I, Eichner S, Sasse F, Collisi W, Poso A, Schax E, Walter JG, Scheper T, Kock K, Herrmann C, Aliuos P, Reuter G, Zeilinger C, Kirschning A. New, non-quinone fluorogeldanamycin derivatives strongly inhibit Hsp90. Chembiochem 2015; 16:302-11. [PMID: 25572106 DOI: 10.1002/cbic.201402375] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2014] [Revised: 11/04/2014] [Indexed: 11/11/2022]
Abstract
Streptomyces hygroscopicus is a natural producer of geldanamycin. Mutasynthetic supplementation of an AHBA-blocked mutant with all possible monofluoro 3-aminobenzoic acids provided new fluorogeldanamycins. These showed strong antiproliferative activity and inhibitory effects on human heat shock protein Hsp90. Binding to Hsp90 in the low nanomolar range was determined from molecular modelling, AFM analysis and by calorimetric studies.
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Affiliation(s)
- Jekaterina Hermane
- Institute of Organic Chemistry, Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167 Hannover (Germany)
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31
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Kim HJ, Choi SH, Jeon BS, Kim N, Pongdee R, Wu Q, Liu HW. Chemoenzymatic synthesis of spinosyn A. Angew Chem Int Ed Engl 2014; 53:13553-7. [PMID: 25287333 PMCID: PMC4266379 DOI: 10.1002/anie.201407806] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Indexed: 11/11/2022]
Abstract
Following the biosynthesis of polyketide backbones by polyketide synthases (PKSs), post-PKS modifications result in a significantly elevated level of structural complexity that renders the chemical synthesis of these natural products challenging. We report herein a total synthesis of the widely used polyketide insecticide spinosyn A by exploiting the prowess of both chemical and enzymatic methods. As more polyketide biosynthetic pathways are characterized, this chemoenzymatic approach is expected to become readily adaptable to streamlining the synthesis of other complex polyketides with more elaborate post-PKS modifications.
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Affiliation(s)
- Hak Joong Kim
- Division of Medicinal Chemistry, College of Pharmacy and Department of Chemistry, University of Texas at Austin, Austin, TX 78712 (USA); Department of Chemistry, Korea University (Republic of Korea)
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32
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Haslinger K, Maximowitsch E, Brieke C, Koch A, Cryle MJ. Cytochrome P450 OxyBteiCatalyzes the First Phenolic Coupling Step in Teicoplanin Biosynthesis. Chembiochem 2014; 15:2719-28. [DOI: 10.1002/cbic.201402441] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Indexed: 01/25/2023]
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33
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Mancuso L, Knobloch T, Buchholz J, Hartwig J, Möller L, Seidel K, Collisi W, Sasse F, Kirschning A. Preparation of Thermocleavable Conjugates Based on Ansamitocin and Superparamagnetic Nanostructured Particles by a Chemobiosynthetic Approach. Chemistry 2014; 20:17541-51. [DOI: 10.1002/chem.201404502] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Indexed: 11/08/2022]
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34
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Berkhan G, Hahn F. Eine Dehydratase-Domäne in der Ambruticin-Biosynthese zeigt zusätzliche Aktivität als Pyran-bildende Cyclase. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201407979] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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35
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Berkhan G, Hahn F. A Dehydratase Domain in Ambruticin Biosynthesis Displays Additional Activity as a Pyran-Forming Cyclase. Angew Chem Int Ed Engl 2014; 53:14240-4. [DOI: 10.1002/anie.201407979] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Revised: 09/04/2014] [Indexed: 01/11/2023]
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36
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Kim HJ, Choi SH, Jeon BS, Kim N, Pongdee R, Wu Q, Liu HW. Chemoenzymatic Synthesis of Spinosyn A. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201407806] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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37
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Riva E, Wilkening I, Gazzola S, Li WMA, Smith L, Leadlay PF, Tosin M. Chemical Probes for the Functionalization of Polyketide Intermediates. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201407448] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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38
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Riva E, Wilkening I, Gazzola S, Li WMA, Smith L, Leadlay PF, Tosin M. Chemical probes for the functionalization of polyketide intermediates. Angew Chem Int Ed Engl 2014; 53:11944-9. [PMID: 25212788 PMCID: PMC4501312 DOI: 10.1002/anie.201407448] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Indexed: 11/08/2022]
Abstract
A library of functionalized chemical probes capable of reacting with ketosynthase-bound biosynthetic intermediates was prepared and utilized to explore in vivo polyketide diversification. Fermentation of ACP mutants of S. lasaliensis in the presence of the probes generated a range of unnatural polyketide derivatives, including novel putative lasalocid A derivatives characterized by variable aryl ketone moieties and linear polyketide chains (bearing alkyne/azide handles and fluorine) flanking the polyether scaffold. By providing direct information on microorganism tolerance and enzyme processing of unnatural malonyl-ACP analogues, as well as on the amenability of unnatural polyketides to further structural modifications, the chemical probes constitute invaluable tools for the development of novel mutasynthesis and synthetic biology.
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Affiliation(s)
- Elena Riva
- Department of Chemistry, University of Warwick, Library Road, Coventry CV4 7AL (UK)
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39
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Bravo-Rodriguez K, Ismail-Ali AF, Klopries S, Kushnir S, Ismail S, Fansa EK, Wittinghofer A, Schulz F, Sanchez-Garcia E. Predicted incorporation of non-native substrates by a polyketide synthase yields bioactive natural product derivatives. Chembiochem 2014; 15:1991-7. [PMID: 25044264 DOI: 10.1002/cbic.201402206] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Indexed: 11/08/2022]
Abstract
The polyether ionophore monensin is biosynthesized by a polyketide synthase that delivers a mixture of monensins A and B by the incorporation of ethyl- or methyl-malonyl-CoA at its fifth module. Here we present the first computational model of the fifth acyltransferase domain (AT5mon ) of this polyketide synthase, thus affording an investigation of the basis of the relaxed specificity in AT5mon , insights into the activation for the nucleophilic attack on the substrate, and prediction of the incorporation of synthetic malonic acid building blocks by this enzyme. Our predictions are supported by experimental studies, including the isolation of a predicted derivative of the monensin precursor premonensin. The incorporation of non-native building blocks was found to alter the ratio of premonensins A and B. The bioactivity of the natural product derivatives was investigated and revealed binding to prenyl-binding protein. We thus show the potential of engineered biosynthetic polyketides as a source of ligands for biological macromolecules.
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Affiliation(s)
- Kenny Bravo-Rodriguez
- Department of Theoretical Chemistry, Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr (Germany)
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40
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Affiliation(s)
- Gerrit Jürjens
- Institute of Organic Chemistry
and Center of Biomolecuclar Drug Research (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover, Germany
| | - Andreas Kirschning
- Institute of Organic Chemistry
and Center of Biomolecuclar Drug Research (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover, Germany
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41
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Just-Baringo X, Albericio F, Álvarez M. Engineering von Thiopeptiden: ein multidisziplinärer Weg zu neuen Wirkstoffen. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201307288] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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42
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Just-Baringo X, Albericio F, Álvarez M. Thiopeptide engineering: a multidisciplinary effort towards future drugs. Angew Chem Int Ed Engl 2014; 53:6602-16. [PMID: 24861213 DOI: 10.1002/anie.201307288] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Indexed: 11/12/2022]
Abstract
The recent development of thiopeptide analogues of antibiotics has allowed some of the limitations inherent to these naturally occurring substances to be overcome. Chemical synthesis, semisynthetic derivatization, and engineering of the biosynthetic pathway have independently led to complementary modifications of various thiopeptides. Some of the new substances have displayed improved profiles, not only as antibiotics, but also as antiplasmodial and anticancer drugs. The design of novel molecules based on the thiopeptide scaffold appears to be the only strategy to exploit the high potential they have shown in vitro. Herein we present the most relevant achievements in the production of thiopeptide analogues and also discuss the way the different approaches might be combined in a multidisciplinary strategy to produce more sophisticated structures.
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Affiliation(s)
- Xavier Just-Baringo
- Institute for Research in Biomedicine, Barcelona Science Park, University of Barcelona, Baldiri Reixac 10, 08028 Barcelona (Spain) http://www.pcb.ub.edu/fama/htm/home.htm; CIBER-BBN, Networking Centre on Bioengineering Biomaterials and Nanomedicine, 08028 Barcelona (Spain)
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43
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Harmrolfs K, Mancuso L, Drung B, Sasse F, Kirschning A. Preparation of new alkyne-modified ansamitocins by mutasynthesis. Beilstein J Org Chem 2014; 10:535-43. [PMID: 24605171 PMCID: PMC3943755 DOI: 10.3762/bjoc.10.49] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2013] [Accepted: 01/29/2014] [Indexed: 11/23/2022] Open
Abstract
The preparation of alkyne-modified ansamitocins by mutasynthetic supplementation of Actinosynnema pretiosum mutants with alkyne-substituted aminobenzoic acids is described. This modification paved the way to introduce a thiol linker by Huisgen-type cycloaddition which can principally be utilized to create tumor targeting conjugates. In bioactivity tests, only those new ansamitocin derivatives showed strong antiproliferative activity that bear an ester side chain at C-3.
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Affiliation(s)
- Kirsten Harmrolfs
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1b, 30167 Hannover, Germany
| | - Lena Mancuso
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1b, 30167 Hannover, Germany
| | - Binia Drung
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1b, 30167 Hannover, Germany
| | - Florenz Sasse
- Department of Chemical Biology, Helmholtz Center for Infectious Research (HZI), Inhoffenstraße 7, D-38124 Braunschweig, Germany
| | - Andreas Kirschning
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1b, 30167 Hannover, Germany
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Amatov T, Jahn U. Gliotoxin: Nature’s Way of Making the Epidithio Bridge. Angew Chem Int Ed Engl 2014; 53:3312-4. [DOI: 10.1002/anie.201310982] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Indexed: 01/25/2023]
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46
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Yan Y, Chen J, Zhang L, Zheng Q, Han Y, Zhang H, Zhang D, Awakawa T, Abe I, Liu W. Multiplexing of Combinatorial Chemistry in Antimycin Biosynthesis: Expansion of Molecular Diversity and Utility. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201305569] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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47
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Yan Y, Chen J, Zhang L, Zheng Q, Han Y, Zhang H, Zhang D, Awakawa T, Abe I, Liu W. Multiplexing of Combinatorial Chemistry in Antimycin Biosynthesis: Expansion of Molecular Diversity and Utility. Angew Chem Int Ed Engl 2013; 52:12308-12. [DOI: 10.1002/anie.201305569] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2013] [Revised: 08/21/2013] [Indexed: 12/19/2022]
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48
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Mancuso L, Jürjens G, Hermane J, Harmrolfs K, Eichner S, Fohrer J, Collisi W, Sasse F, Kirschning A. Bioreduction of aryl azides during mutasynthesis of new ansamitocins. Org Lett 2013; 15:4442-5. [PMID: 23981134 DOI: 10.1021/ol401989e] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Supplementing a culture of a mutant strain of Actinosynnema pretiosum that is unable to biosynthesize aminohydroxy benzoic acid (AHBA), with 3-azido-5-hydroxy-benzoic acid and 3-azido-5-amino-benzoic acid, unexpectedly yielded anilino ansamitocins instead of the expected azido derivatives. This is the first example of the bioreduction of organic azides. The unique nature of these results was demonstrated when 3-azido-5-amino-benzoic acid was fed to the corresponding AHBA blocked mutant of Streptomyces hygroscopicus, the geldanamycin producer. This mutasynthetic experiment yielded the fully processed azido derivative of geldanamycin.
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Affiliation(s)
- Lena Mancuso
- Institut für Organische Chemie und Biomolekulares Wikstoffzentrum (BMWZ) der Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover, Germany
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49
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Franke J, Eichner S, Zeilinger C, Kirschning A. Targeting heat-shock-protein 90 (Hsp90) by natural products: geldanamycin, a show case in cancer therapy. Nat Prod Rep 2013; 30:1299-323. [PMID: 23934201 DOI: 10.1039/c3np70012g] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Covering 2005 to 2013. In this review recent progress in the development of heat shock proteins (Hsp90) in oncogenesis is illuminated. Particular emphasis is put on inhibitors such as geldanamycin and analogues that serve as a natural product show case. Hsp90 has emerged as an important target in cancer therapy and/or against pathogenic cells which elicit abnormal Hsp patterns. Competition for ATP by geldanamycin and related compounds abrogate the chaperone function of Hsp90. In this context, this account pursues three topics in detail: a) Hsp90 and its biochemistry, b) Hsp90 and its role in oncogenesis and c) strategies to create compound libraries of structurally complex inhibitors like geldanamycin on which SAR studies and the development of drugs that are currently in different stages of clinical testing rely.
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Affiliation(s)
- Jana Franke
- Institut für Organische Chemie und Zentrum für Biomolekulare Wirkstoffchemie (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, D-30167 Hannover, Germany.
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50
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Ueberschaar N, Dahse HM, Bretschneider T, Hertweck C. Rational Design of an Apoptosis-Inducing Photoreactive DNA Intercalator. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201302439] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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