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Pilz F, Kielb P. Cyclic voltammetry, square wave voltammetry or electrochemical impedance spectroscopy? Interrogating electrochemical approaches for the determination of electron transfer rates of immobilized redox proteins. BBA ADVANCES 2023; 4:100095. [PMID: 37424628 PMCID: PMC10322675 DOI: 10.1016/j.bbadva.2023.100095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/09/2023] [Accepted: 06/12/2023] [Indexed: 07/11/2023] Open
Abstract
In this article, we cross-examine three well-established electrochemical approaches, namely cyclic voltammetry (CV), cyclic square-wave voltammetry (SWV) and electrochemical impedance spectroscopy (EIS) to dissect the electron transfer (ET) rate of electrostatically immobilized cytochrome c on Ag electrodes. A detailed analysis supported by simulations of redox transition provided three distinct values for the heterogeneous electron transfer (HET) rate constant of cyt c interfaced on COOH-terminated C10-long alkanethiol, i.e., kHET= 47.8 (±2,91) s-1 in CV, kHET= 64.8 (±1,27) s-1 in SWV, and kHET= 26.5 s-1 in EIS. We discuss the obtained discrepancies obtained from electrochemical methods and compare them with the data from spectro-electrochemical experiments. A comprehensive selection list is created from which the most applicable approach can be chosen for studying proteins of interest. CV is most applicable to study the interfaced proteins exhibiting kHET of ca. 0.5 - 70 s-1, SWV is suitable for a broader range of kHET of 5 - 120 s-1 and EIS for kHET of 0.5 to 5 s-1 if alkanethiols are used as immobilization strategy.
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Affiliation(s)
- F.H. Pilz
- Transdisciplinary Research Area ‘Building Blocks of Matter and Fundamental Interactions (TRA Matter)’, University of Bonn, Bonn, Germany
- Clausius Institute of Physical and Theoretical Chemistry, University of Bonn, Wegelerstr. 12, Bonn 53115, Germany
| | - P. Kielb
- Transdisciplinary Research Area ‘Building Blocks of Matter and Fundamental Interactions (TRA Matter)’, University of Bonn, Bonn, Germany
- Clausius Institute of Physical and Theoretical Chemistry, University of Bonn, Wegelerstr. 12, Bonn 53115, Germany
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Lukas J, Družeta I, Kühl T. Comparative studies of soluble and immobilized Fe(III) heme-peptide complexes as alternative heterogeneous biocatalysts. Biol Chem 2022; 403:1099-1105. [PMID: 36257922 DOI: 10.1515/hsz-2022-0199] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 10/06/2022] [Indexed: 11/15/2022]
Abstract
Fe(III) heme is known to possess low catalytic activity when exposed to hydrogen peroxide and a reducing substrate. Efficient non-covalently linked Fe(III) heme-peptide complexes may represent suitable alternatives as a new group of green catalysts. Here, we evaluated a set of heme-peptide complexes by determination of their peroxidase-like activity and the kinetics of the catalytic conversion in both, the soluble and the immobilized state. We show the impact of peptide length on binding of the peptides to Fe(III) heme and the catalytic activity. Immobilization of the peptide onto a polymer support maintains the catalytic performance of the Fe(III) heme-peptide complex. This study thus opens up a new perspective with regard to the development of heterogeneous biocatalysts with a peroxidase-like activity.
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Affiliation(s)
- Joey Lukas
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, D-53121, Bonn, Germany
| | - Ivona Družeta
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, D-53121, Bonn, Germany
| | - Toni Kühl
- Pharmaceutical Biochemistry and Bioanalytics, Pharmaceutical Institute, University of Bonn, An der Immenburg 4, D-53121, Bonn, Germany
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Harris TGAA, Heidary N, Frielingsdorf S, Rauwerdink S, Tahraoui A, Lenz O, Zebger I, Fischer A. Electrografted Interfaces on Metal Oxide Electrodes for Enzyme Immobilization and Bioelectrocatalysis. ChemElectroChem 2021. [DOI: 10.1002/celc.202100020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Tomos G. A. A. Harris
- Albert-Ludwigs-Universität Freiburg Institut für Anorganische und Analytische Chemie Albertstr. 21 79104 Freiburg Germany
- Technische Universität Berlin Institut für Chemie, PC 14 Str. des 17. Juni 135 10623 Berlin Germany
| | - Nina Heidary
- Albert-Ludwigs-Universität Freiburg Institut für Anorganische und Analytische Chemie Albertstr. 21 79104 Freiburg Germany
- Technische Universität Berlin Institut für Chemie, PC 14 Str. des 17. Juni 135 10623 Berlin Germany
- Department of Chemistry Université de Montréal Roger-Gaudry Building Montreal, Quebec H3C 3J7 Canada
| | - Stefan Frielingsdorf
- Technische Universität Berlin Institut für Chemie, PC 14 Str. des 17. Juni 135 10623 Berlin Germany
| | - Sander Rauwerdink
- Paul-Drude-Institut für Festkörperelektronik Hausvogteiplatz 5–7 10117 Berlin Germany
| | - Abbes Tahraoui
- Paul-Drude-Institut für Festkörperelektronik Hausvogteiplatz 5–7 10117 Berlin Germany
| | - Oliver Lenz
- Technische Universität Berlin Institut für Chemie, PC 14 Str. des 17. Juni 135 10623 Berlin Germany
| | - Ingo Zebger
- Technische Universität Berlin Institut für Chemie, PC 14 Str. des 17. Juni 135 10623 Berlin Germany
| | - Anna Fischer
- Albert-Ludwigs-Universität Freiburg Institut für Anorganische und Analytische Chemie Albertstr. 21 79104 Freiburg Germany
- Technische Universität Berlin Institut für Chemie, PC 14 Str. des 17. Juni 135 10623 Berlin Germany
- Freiburger Materialforschungszentrum (FMF) Albert-Ludwigs-Universität Freiburg Stefan-Meier-Straße 21 79104 Freiburg Germany
- FIT Freiburger Zentrum für interaktive Werkstoffe und bioinspirierte Technologien Georges-Köhler-Allee 105 79110 Freiburg Germany
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Abstract
Heme proteins take part in a number of fundamental biological processes, including oxygen transport and storage, electron transfer, catalysis and signal transduction. The redox chemistry of the heme iron and the biochemical diversity of heme proteins have led to the development of a plethora of biotechnological applications. This work focuses on biosensing devices based on heme proteins, in which they are electronically coupled to an electrode and their activity is determined through the measurement of catalytic currents in the presence of substrate, i.e., the target analyte of the biosensor. After an overview of the main concepts of amperometric biosensors, we address transduction schemes, protein immobilization strategies, and the performance of devices that explore reactions of heme biocatalysts, including peroxidase, cytochrome P450, catalase, nitrite reductase, cytochrome c oxidase, cytochrome c and derived microperoxidases, hemoglobin, and myoglobin. We further discuss how structural information about immobilized heme proteins can lead to rational design of biosensing devices, ensuring insights into their efficiency and long-term stability.
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Electrochemical Biosensors Employing Natural and Artificial Heme Peroxidases on Semiconductors. SENSORS 2020; 20:s20133692. [PMID: 32630267 PMCID: PMC7374321 DOI: 10.3390/s20133692] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 06/25/2020] [Accepted: 06/27/2020] [Indexed: 12/20/2022]
Abstract
Heme peroxidases are widely used as biological recognition elements in electrochemical biosensors for hydrogen peroxide and phenolic compounds. Various nature-derived and fully synthetic heme peroxidase mimics have been designed and their potential for replacing the natural enzymes in biosensors has been investigated. The use of semiconducting materials as transducers can thereby offer new opportunities with respect to catalyst immobilization, reaction stimulation, or read-out. This review focuses on approaches for the construction of electrochemical biosensors employing natural heme peroxidases as well as various mimics immobilized on semiconducting electrode surfaces. It will outline important advances made so far as well as the novel applications resulting thereof.
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Sapner VS, Chavan PP, Digraskar RV, Narwade SS, Mulik BB, Mali SM, Sathe BR. Tyramine Functionalized Graphene: Metal-Free Electrochemical Non-Enzymatic Biosensing of Hydrogen Peroxide. ChemElectroChem 2018. [DOI: 10.1002/celc.201801083] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Vijay S. Sapner
- Department of Chemistry; Dr. Babasaheb Ambedkar Marathwada University; Aurangabad (MH) 431004 India
| | - Parag P. Chavan
- Department of Chemistry; Dr. Babasaheb Ambedkar Marathwada University; Aurangabad (MH) 431004 India
| | - Renuka V. Digraskar
- Department of Chemistry; Dr. Babasaheb Ambedkar Marathwada University; Aurangabad (MH) 431004 India
| | - Shankar S. Narwade
- Department of Chemistry; Dr. Babasaheb Ambedkar Marathwada University; Aurangabad (MH) 431004 India
| | - Balaji B. Mulik
- Department of Chemistry; Dr. Babasaheb Ambedkar Marathwada University; Aurangabad (MH) 431004 India
| | - Shivsharan M. Mali
- Department of Chemistry; Dr. Babasaheb Ambedkar Marathwada University; Aurangabad (MH) 431004 India
| | - Bhaskar R. Sathe
- Department of Chemistry; Dr. Babasaheb Ambedkar Marathwada University; Aurangabad (MH) 431004 India
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Influence of heme c attachment on heme conformation and potential. J Biol Inorg Chem 2018; 23:1073-1083. [PMID: 30143872 DOI: 10.1007/s00775-018-1603-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 08/16/2018] [Indexed: 10/28/2022]
Abstract
Heme c is characterized by its covalent attachment to a polypeptide. The attachment is typically to a CXXCH motif in which the two Cys form thioether bonds with the heme, "X" can be any amino acid other than Cys, and the His serves as a heme axial ligand. Some cytochromes c, however, contain heme attachment motifs with three or four intervening residues in a CX3CH or CX4CH motif. Here, the impacts of these variations in the heme attachment motif on heme ruffling and electronic structure are investigated by spectroscopically characterizing CX3CH and CX4CH variants of Hydrogenobacter thermophilus cytochrome c552. In addition, a novel CXCH variant is studied. 1H and 13C NMR, EPR, and resonance Raman spectra of the protein variants are analyzed to deduce the extent of ruffling using previously reported relationships between these spectral data and heme ruffling. In addition, the reduction potentials of these protein variants are measured using protein film voltammetry. The CXCH and CX4CH variants are found to have enhanced heme ruffling and lower reduction potentials. Implications of these results for the use of these noncanonical motifs in nature, and for the engineering of novel heme peptide structures, are discussed.
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Neumann B, Götz R, Wrzolek P, Scheller FW, Weidinger IM, Schwalbe M, Wollenberger U. Enhancement of the Electrocatalytic Activity of Thienyl‐Substituted Iron Porphyrin Electropolymers by a Hangman Effect. ChemCatChem 2018. [DOI: 10.1002/cctc.201800934] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Bettina Neumann
- Institute for Biochemistry and BiologyUniversity Potsdam Karl-Liebknecht-Str. 24–25 Potsdam 14476 Germany
| | - Robert Götz
- Department of Chemistry and Food ChemistryTechnische Universität Dresden Zellescher Weg 19 Dresden 01069 Germany
| | - Pierre Wrzolek
- Institute for ChemistryHumboldt-Universität zu Berlin Brook-Taylor-Str. 2 Berlin 12489 Germany
| | - Frieder W. Scheller
- Institute for Biochemistry and BiologyUniversity Potsdam Karl-Liebknecht-Str. 24–25 Potsdam 14476 Germany
| | - Inez M. Weidinger
- Department of Chemistry and Food ChemistryTechnische Universität Dresden Zellescher Weg 19 Dresden 01069 Germany
| | - Matthias Schwalbe
- Institute for ChemistryHumboldt-Universität zu Berlin Brook-Taylor-Str. 2 Berlin 12489 Germany
| | - Ulla Wollenberger
- Institute for Biochemistry and BiologyUniversity Potsdam Karl-Liebknecht-Str. 24–25 Potsdam 14476 Germany
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Jetzschmann KJ, Yarman A, Rustam L, Kielb P, Urlacher VB, Fischer A, Weidinger IM, Wollenberger U, Scheller FW. Molecular LEGO by domain-imprinting of cytochrome P450 BM3. Colloids Surf B Biointerfaces 2018; 164:240-246. [PMID: 29413602 DOI: 10.1016/j.colsurfb.2018.01.047] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 01/24/2018] [Indexed: 01/16/2023]
Abstract
HYPOTHESIS Electrosynthesis of the MIP nano-film after binding of the separated domains or holo-cytochrome BM3 via an engineered anchor should result in domain-specific cavities in the polymer layer. EXPERIMENTS Both the two domains and the holo P450 BM3 have been bound prior polymer deposition via a N-terminal engineered his6-anchor to the electrode surface. Each step of MIP preparation was characterized by cyclic voltammetry of the redox-marker ferricyanide. Rebinding after template removal was evaluated by quantifying the suppression of the diffusive permeability of the signal for ferricyanide and by the NADH-dependent reduction of cytochrome c by the reductase domain (BMR). FINDINGS The working hypothesis is verified by the discrimination of the two domains by the respective MIPs: The holoenzyme P450 BM3 was ca. 5.5 times more effectively recognized by the film imprinted with the oxidase domain (BMO) as compared to the BMR-MIP or the non-imprinted polymer (NIP). Obviously, a cavity is formed during the imprinting process around the his6-tag-anchored BMR which cannot accommodate the broader BMO or the P450 BM3. The affinity of the MIP towards P450 BM3 is comparable with that to the monomer in solution. The his6-tagged P450 BM3 binds (30 percent) stronger which shows the additive effect of the interaction with the MIP and the binding to the electrode.
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Affiliation(s)
- K J Jetzschmann
- Institute of Biochemistry and Biology, University of Potsdam, Karl-Liebknecht Str. 24-25, 14476 Potsdam, Germany
| | - A Yarman
- Institute of Biochemistry and Biology, University of Potsdam, Karl-Liebknecht Str. 24-25, 14476 Potsdam, Germany; Faculty of Science, Molecular Biotechnology, Turkish-German University, Sahinkaya Cad. 86, 34820 Beykoz, Istanbul, Turkey
| | - L Rustam
- Institut für Anorganische und Analytische Chemie, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104 Freiburg, Germany
| | - P Kielb
- Institut für Chemie, Technische Universität Berlin, Strasse des 17. Juni 135, 10623 Berlin, Germany
| | - V B Urlacher
- Institute of Biochemistry, Heinrich-Heine-University, Universitätsstraße 1, 40225 Düsseldorf, Germany
| | - A Fischer
- Institut für Anorganische und Analytische Chemie, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, 79104 Freiburg, Germany
| | - I M Weidinger
- Department of Chemistry and Food Chemistry, Technische Universität Dresden, Zellescher Weg 19, 01069 Dresden, Germany
| | - U Wollenberger
- Institute of Biochemistry and Biology, University of Potsdam, Karl-Liebknecht Str. 24-25, 14476 Potsdam, Germany
| | - F W Scheller
- Institute of Biochemistry and Biology, University of Potsdam, Karl-Liebknecht Str. 24-25, 14476 Potsdam, Germany.
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Frank R, Klenner M, Zitzmann FD, Schmidt S, Ruf T, Jahnke HG, Denecke R, Robitzki AA. Electrochemical restructuring of thin layer indium tin oxide electrode arrays for optimized (bio)electrocatalysis. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2017.10.159] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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11
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Prieto T, Santana V, Britto AMM, Araujo-Chaves JC, R Nascimento O, L Nantes-Cardoso I. Structure and Catalysis of Fe(III) and Cu(II) Microperoxidase-11 Interacting with the Positively Charged Interfaces of Lipids. Molecules 2017; 22:molecules22081212. [PMID: 28933729 PMCID: PMC6151982 DOI: 10.3390/molecules22081212] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Revised: 06/20/2017] [Accepted: 07/14/2017] [Indexed: 11/24/2022] Open
Abstract
Numerous applications have been described for microperoxidases (MPs) such as in photoreceptors, sensing, drugs, and hydrogen evolution. The last application was obtained by replacing Fe(III), the native central metal, by cobalt ion and inspired part of the present study. Here, the Fe(III) of MP-11 was replaced by Cu(II) that is also a stable redox state in aerated medium, and the structure and activity of both MPs were modulated by the interaction with the positively charged interfaces of lipids. Comparative spectroscopic characterization of Fe(III) and Cu(II)MP-11 in the studied media demonstrated the presence of high and low spin species with axial distortion. The association of the Fe(III)MP-11 with CTAB and Cu(II)MP-11 with DODAB affected the colloidal stability of the surfactants that was recovered by heating. This result is consistent with hydrophobic interactions of MPs with DODAB vesicles and CTAB micelles. The hydrophobic interactions decreased the heme accessibility to substrates and the Fe(III) MP-11catalytic efficiency. Cu(II)MP-11 challenged by peroxides exhibited a cyclic Cu(II)/Cu(I) interconversion mechanism that is suggestive of a mimetic Cu/ZnSOD (superoxide dismutase) activity against peroxides. Hydrogen peroxide-activated Cu(II)MP-11 converted Amplex Red® to dihydroresofurin. This study opens more possibilities for technological applications of MPs.
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Affiliation(s)
- Tatiana Prieto
- Universidade Federal do ABC, Santo André 09210-170, SP, Brazil.
| | - Vinicius Santana
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos 13400-970, SP, Brazil.
| | | | | | - Otaciro R Nascimento
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos 13400-970, SP, Brazil.
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