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List of works by Petra Hellwig

A Combined Far-Infrared Spectroscopic and Electrochemical Approach for the Study of Iron-Sulfur Proteins

scientific article published on 02 September 2011

A D-pathway mutation decouples the Paracoccus denitrificans cytochrome c oxidase by altering the side-chain orientation of a distant conserved glutamate

scientific article

A combined fluorescence spectroscopic and electrochemical approach for the study of thioredoxins

scientific article

A possible role for iron-sulfur cluster N2 in proton translocation by the NADH: ubiquinone oxidoreductase (complex I).

scientific article

A question of flexibility in cytochrome c oxidase models

A single-stage functionalization and exfoliation method for the production of graphene in water: stepwise construction of 2D-nanostructured composites with iron oxide nanoparticles

scientific article published on 31 July 2013

A spin crossover (SCO) active graphene-iron(ii) complex hybrid material.

scientific article published on 29 November 2017

Acrolein and Copper as Competitive Effectors of α-Synuclein

scientific article published on 28 January 2020

Activation of the Heterodimeric Central Complex SoxYZ of Chemotrophic Sulfur Oxidation Is Linked to a Conformational Change and SoxY-Y Interprotein Disulfide Formation†,§

scientific article published on 31 August 2007

Active site rearrangement and structural divergence in prokaryotic respiratory oxidases

scientific article published on 01 October 2019

Antioxidant activity of phytoestrogen type isoflavones in biomimetic environments

scientific article published in 2016

Arg302 governs the pKa of Glu325 in LacY

scientific article published on 21 February 2019

Arginine 391 in subunit I of the cytochrome bd quinol oxidase from Escherichia coli stabilizes the reduced form of the hemes and is essential for quinol oxidase activity

scientific article published on 8 October 2004

Asp22 drives the protonation state of the Staphylococcus epidermidis glucose/H+ symporter

scientific article published on 28 August 2020

Biofluids and other techniques: general discussion.

scientific article

Biomimetic environment to study E. coli complex I through surface-enhanced IR absorption spectroscopy.

scientific article

Carboxyl group protonation upon reduction of the Paracoccus denitrificans cytochrome c oxidase: direct evidence by FTIR spectroscopy

article

Catalytic importance of acidic amino acids on subunit NuoB of the Escherichia coli NADH:ubiquinone oxidoreductase (complex I).

scientific article

Characterization of mutations in crucial residues around the Q(o) binding site of the cytochrome bc complex from Paracoccus denitrificans

scientific article published on 21 August 2008

Characterization of temperature-dependent iron-imidazole vibrational modes in far infrared

scientific article published on 7 December 2007

Characterization of the CuA center in the cytochrome c oxidase from Thermus thermophilus for the spectral range 1800-500 cm-1 with a combined electrochemical and Fourier transform infrared spectroscopic setup

scientific article

Characterization of two cytochrome b6 proteins from the cyanobacterium Gloeobacter violaceus PCC 7421.

scientific article published on 18 March 2010

Characterization of two quinone radicals in the NADH:ubiquinone oxidoreductase from Escherichia coli by a combined fluorescence spectroscopic and electrochemical approach

scientific article

Chemical and Electrochemical Alkali Cations Intercalation/Release in an Ionic Hydrogen Bonded Network

scientific article published on 10 January 2019

Chiral recognition in amyloid fiber growth

scientific article

Comparative studies in series of cytochrome c oxidase models

scientific article published on 01 December 2011

Corrigendum to: Identification of a hydrogen bond in the Phe-M197→Tyr mutant reaction center of the photosynthetic purple bacterium Rhodobacter sphaeroides by X-ray crystallography and FTIR spectroscopy (FEBS 23044)

scientific article published on 01 July 2000

Corrigendum: Structural basis of enzymatic benzene ring reduction.

scientific article published in October 2015

Covalent Tethering and Residues with Bulky Hydrophobic Side Chains Enable Self-Assembly of Distinct Amyloid Structures

scientific article published on 26 September 2016

Creation of a gold nanoparticle based electrochemical assay for the detection of inhibitors of bacterial cytochrome bd oxidases.

scientific article published on 7 June 2016

Crystal structure of bis-(diiso-propyl-ammonium) molybdate

scientific article published on 31 October 2018

Cu(II) Binding to the Peptide Ala-His-His, a Chimera of the Canonical Cu(II)-Binding Motifs Xxx-His and Xxx-Zzz-His

scientific article published on 30 November 2017

De Novo Design, Synthesis, and Characterization of Quinoproteins

article by Wen-Wu Li et al published 18 September 2006 in Chemistry—A European Journal

Differences in protonation of ubiquinone and menaquinone in fumarate reductase from Escherichia coli

scientific article published on 8 July 2006

Direct Electrochemistry of Cytochrome bo Oxidase at a series of Gold Nanoparticles-Modified Electrodes

scientific article published on 23 October 2012

Direct evidence for the interaction of stigmatellin with a protonated acidic group in the bc(1) complex from Saccharomyces cerevisiae as monitored by FTIR difference spectroscopy and 13C specific labeling

scientific article

Direct evidence for the protonation of aspartate-75, proposed to be at a quinol binding site, upon reduction of cytochrome bo3 from Escherichia coli.

scientific article

E6 proteins from diverse papillomaviruses self-associate both in vitro and in vivo

scientific article

Electrochemical and FTIR spectroscopic characterization of the cytochrome bc1 complex from Paracoccus denitrificans: evidence for protonation reactions coupled to quinone binding

scientific article published in October 2003

Electrochemical and Ultraviolet/Visible/Infrared Spectroscopic Analysis of Hemeaanda3Redox Reactions in the CytochromecOxidase fromParacoccus denitrificans: Separation of Hemeaanda3Contributions and Assignment of Vibrational Modes†

scientific article published on 01 February 1999

Electrochemical and infrared spectroscopic analysis of the interaction of the CuA domain and cytochrome c552 from Thermus thermophilus

scientific article published on 28 February 2012

Electrochemical study of an electron shuttle diheme protein: The cytochrome c550 from T. thermophilus

Electrochemical, FT-IR and UV/VIS spectroscopic properties of the caa3 oxidase from T. thermophilus

scientific article published in October 2002

Electrochemical, FTIR, and UV/VIS Spectroscopic Properties of theba3Oxidase fromThermus thermophilus†

scientific article published on 01 July 1999

Electrochemically induced FT-IR difference spectra of the two- and four-subunit cytochrome c oxidase from P. denitrificans reveal identical conformational changes upon redox transitions

scientific article published on 01 December 1998

Electrochemistry of cytochrome c1, cytochrome c552, and CuA from the respiratory chain of Thermus thermophilus immobilized on gold nanoparticles

article by Thomas Meyer et al published 2 June 2011 in Journal of Physical Chemistry

Electrochemistry suggests proton access from the exit site to the binuclear center in Paracoccus denitrificans cytochrome c oxidase pathway variants

scientific article published on 28 January 2015

Elucidating mechanisms in haem copper oxidases: the high-affinity QH binding site in quinol oxidase as studied by DONUT-HYSCORE spectroscopy and density functional theory.

scientific article published in January 2011

Enhanced Raman Scattering from Vibro-Polariton Hybrid States

scientific article published on 3 June 2015

Erratum: Structural basis of enzymatic benzene ring reduction

scholarly article published in Nature Chemical Biology

Evidence for distinct electron transfer processes in terminal oxidases from different origin by means of protein film voltammetry

scientific article

Extraordinary stability of hemocyanins from L. polyphemus and E. californicum studied using infrared spectroscopy from 294 to 20 K.

scientific article published in October 2016

FT-IR Spectroscopic Characterization of NADH:Ubiquinone Oxidoreductase (Complex I) fromEscherichia coli: Oxidation of FeS Cluster N2 is Coupled with the Protonation of an Aspartate or Glutamate Side Chain†

scientific article published on 01 September 2000

FTIR spectroscopic characterization of the cytochrome aa3 from Acidianus ambivalens: evidence for the involvement of acidic residues in redox coupled proton translocation

scientific article published in May 2003

FTIR spectroscopic evidence for the involvement of an acidic residue in quinone binding in cytochrome bd from Escherichia coli

scientific article

Far infrared spectra of solid state L-serine, L-threonine, L-cysteine, and L-methionine in different protonation states

scientific article published on 16 May 2015

Far infrared spectra of solid state aliphatic amino acids in different protonation states

scientific article published in March 2010

Far infrared spectroscopy of hydrogen bonding collective motions in complex molecular systems.

scientific article

Far infrared spectroscopy on hemoproteins: A model compound study from 1800–100cm−1

Far- and Mid-Infrared Spectroscopic Analysis of the Substrate-Induced Structural Dynamics of Respiratory Complex I

scientific article published on 07 December 2010

Fourier transform infrared spectroscopic study on the conformational reorganization in Escherichia coli complex I due to redox-driven proton translocation

scientific article

From a bulk solid to thin films of a hybrid material derived from the [Ti10O12(cat)8(py)8] oxo-cluster and poly(4-vinylpyridine)

Functional Properties of the Heme Propionates in CytochromecOxidase fromParacoccus denitrificans.Evidence from FTIR Difference Spectroscopy and Site-Directed Mutagenesis†

article

Functional Studies on Membrane Proteins by Means of H/D Exchange in Infrared: Structural Changes in Na+ NQR from V. cholerae in the Presence of Lipids

scientific article published in January 2017

Glutamate 107 in subunit I of the cytochrome bd quinol oxidase from Escherichia coli is protonated and near the heme d/heme b595 binuclear center.

scientific article published on 17 February 2007

Glutamate 95 in NqrE Is an Essential Residue for the Translocation of Cations in Na+-NQR

scientific article published on 08 April 2019

Heterologous Production, Isolation, Characterization and Crystallization of a Soluble Fragment of the NADH:Ubiquinone Oxidoreductase (Complex I) fromAquifex aeolicus†

scientific article published on 01 December 2008

Heterologous expression and in vitro assembly of the transmembrane cytochrome b6

scientific article published on 24 August 2007

Identification of a hydrogen bond in the Phe M197→Tyr mutant reaction center of the photosynthetic purple bacterium Rhodobacter sphaeroides by X-ray crystallography and FTIR spectroscopy1

scientific article published on 01 December 1999

Identification of the residues involved in stabilization of the semiquinone radical in the high-affinity ubiquinone binding site in cytochrome bo(3) from Escherichia coli by site-directed mutagenesis and EPR spectroscopy

scientific article published in August 2002

Infrared spectra and molar absorption coefficients of the 20 alpha amino acids in aqueous solutions in the spectral range from 1800 to 500 cm(-1).

scientific article published on 7 February 2006

Infrared spectroscopic characterization of copper-polyhistidine from 1,800 to 50 cm(-1): model systems for copper coordination

scientific article

Infrared spectroscopic evidence of a redox-dependent conformational change involving ion binding residue NqrB-D397 in the Na(+)-pumping NADH:quinone oxidoreductase from Vibrio cholerae.

scientific article published on 24 April 2013

Infrared spectroscopic markers of quinones in proteins from the respiratory chain

scientific article published on 12 July 2014

Infrared spectroscopic studies on reaction induced conformational changes in the NADH ubiquinone oxidoreductase (complex I).

scientific article published on 15 December 2015

Inhibition of Escherichia coli respiratory complex I by Zn(2+).

scientific article published on 2 October 2014

Investigating the thermostability of succinate: quinone oxidoreductase enzymes by direct electrochemistry at SWNTs-modified electrodes and FTIR spectroscopy

scientific article

Involvement of Acidic Amino Acid Residues in Zn(2+) Binding to Respiratory Complex I.

scientific article

Involvement of Glutamic Acid 278 in the Redox Reaction of the CytochromecOxidase fromParacoccus denitrificansInvestigated by FTIR Spectroscopy†

scientific article published on 01 May 1998

Involvement of tyrosines 114 and 139 of subunit NuoB in the proton pathway around cluster N2 in Escherichia coli NADH:ubiquinone oxidoreductase

scientific article

Ion translocation by the Escherichia coli NADH:ubiquinone oxidoreductase (complex I).

scientific article

Methods and techniques to study the bioinorganic chemistry of metal–peptide complexes linked to neurodegenerative diseases

Mg binding triggers rearrangement of the IM30 ring structure, resulting in augmented exposure of hydrophobic surfaces competent for membrane binding

scientific article published on 04 April 2018

Monitoring redox-dependent contribution of lipids in Fourier transform infrared difference spectra of complex I fromEscherichia coli

scientific article published in 2006

Monitoring the pH Triggered Collapse of Liposomes in the Far IR Hydrogen Bonding Continuum

scientific article published on 26 April 2016

Monitoring the redox and protonation dependent contributions of cardiolipin in electrochemically induced FTIR difference spectra of the cytochrome bc(1) complex from yeast.

scientific article published on 20 January 2009

Monoclonal antibody 4B1 influences the pKa of Glu325 in Lactose permease (LacY) from Escherichia coli: evidence from SEIRAS

scientific article published on 11 August 2020

Multiple step assembly of the transmembrane cytochrome b6.

scientific article

Mutation of Arg-54 strongly influences heme composition and rate and directionality of electron transfer in Paracoccus denitrificans cytochrome c oxidase

scientific article published in December 1999

Mutational Analysis of Cytochrome b at the Ubiquinol Oxidation Site of Yeast Complex III

scientific article published in Journal of Biological Chemistry

New insights into the coordination of Cu(II) by the amyloid-B 16 peptide from Fourier transform IR spectroscopy and isotopic labeling

scientific article published on 15 November 2011

Non-hydrothermal synthesis and structure determination of two new β-octamolybdate (VI) stabilized with dialkylammonium counterions

Nucleotide-induced conformational changes in the Escherichia coli NADH:ubiquinone oxidoreductase (complex I).

scientific article

On the Mechanism of the Respiratory Complex I

On the specificity of the amide VI band for the secondary structure of proteins

scientific article published in March 2011

Partially Reversible Thermal-Induced Oxidation During a Dehydration Process in an H-bonded Supramolecular System

Peptide-Protein Binding Investigated by Far-IR Spectroscopy and Molecular Dynamics Simulations

scientific article published on June 2017

Probing the Paracoccus denitrificans cytochrome c(1)-cytochrome c(552) interaction by mutagenesis and fast kinetics

scientific article published in December 2008

Probing the Role of E272 in Quinol Oxidation of Mitochondrial Complex III†

scientific article published on 01 August 2006

Probing the access of protons to the K pathway in the Paracoccus denitrificans cytochrome c oxidase

scientific article published in January 2005

Probing the hydrogen bonding structure in the Rieske protein

scientific article published in October 2010

Purification and characterization of the recombinant Na(+)-translocating NADH:quinone oxidoreductase from Vibrio cholerae

scientific article

Raman and infrared spectroscopic evidence for the structural changes of the 2Fe2S cluster and its environment during the interaction of adrenodoxin and adrenodoxin reductase

scientific article published on 22 April 2017

Recent advances in the electrochemistry and spectroelectrochemistry of membrane proteins

scientific article published on May 2013

Redox Dependent Changes at the Heme Propionates in CytochromecOxidase fromParacoccusdenitrificans: Direct Evidence from FTIR Difference Spectroscopy in Combination with Heme Propionate13C Labeling†

article

Redox Properties of the Membrane Proteins from the Respiratory Chain

scientific article published on 21 August 2020

Redox dependent conformational changes in the mixed valence form of the cytochrome c oxidase from p. The reorganization of glutamic acid 278 is coupled to the electron transfer from/to heme a and the binuclear center. denitrificans

scientific article published in April 2001

Redox-induced conformational changes within the Escherichia coli NADH ubiquinone oxidoreductase (complex I): an analysis by mutagenesis and FT-IR spectroscopy

scientific article

Role of phospholipids in respiratory cytochrome bc(1) complex catalysis and supercomplex formation

scientific article

Role of the tightly bound quinone for the oxygen reaction of cytochrome bo 3 oxidase from Escherichia coli

article published in 2018

Secondary Structure Determination by Means of ATR-FTIR Spectroscopy

scientific article published in January 2017

Serum-based differentiation between multiple sclerosis and amyotrophic lateral sclerosis by Random Forest classification of FTIR spectra

scientific article published on 01 July 2019

Similarities and differences of copper and zinc cations binding to biologically relevant peptides studied by vibrational spectroscopies

scientific article

Similarities and dissimilarities in the structure-function relation between the cytochrome c oxidase from bovine heart and from Paracoccus denitrificans as revealed by FT-IR difference spectroscopy

scientific article published on 01 September 1999

Site-directed mutation of the highly conserved region near the Q-loop of the cytochrome bd quinol oxidase from Escherichia coli specifically perturbs heme b595.

scientific article published in July 2001

Specific Far Infrared Spectroscopic Properties of Phospholipids

Spectroscopic analysis of tyrosine derivatives: on the role of the tyrosine-histidine covalent linkage in cytochrome c oxidase

scientific article published in October 2009

Spectroscopic characterization of radicals and radical pairs in fruit fly cryptochrome - protonated and nonprotonated flavin radical-states

scientific article

Spectroscopic study on the communication between a heme a3 propionate, Asp399 and the binuclear center of cytochrome c oxidase from Paracoccus denitrificans

scientific article published on 22 November 2007

Spin labeling of the Escherichia coli NADH ubiquinone oxidoreductase (complex I).

scientific article

Stabilization of the Highly Hydrophobic Membrane Protein, Cytochrome bd Oxidase, on Metallic Surfaces for Direct Electrochemical Studies

scientific article published on 16 July 2020

Steady-state and time resolved fluorescence analysis on tyrosine-histidine model compounds

scientific article

Structural Studies of TSPO, a Mitochondrial Membrane Protein

Structural basis of enzymatic benzene ring reduction

scientific article

Structure of Escherichia coli cytochrome bd-II type oxidase with bound aurachin D

scientific article published on 11 November 2021

Study on hydrogen bonding patterns in biological molecules by reaction induced far infrared spectroscopy

Study on the redox state dependent gamma(CH) vibrational modes of the c-type heme

scientific article published in July 2006

Sulfide dehydrogenase activity of the monomeric flavoprotein SoxF of Paracoccus pantotrophus

scientific article

Sulfur dehydrogenase of Paracoccus pantotrophus: the heme-2 domain of the molybdoprotein cytochrome c complex is dispensable for catalytic activity

scientific article published in May 2005

Sulfur oxidation in Paracoccus pantotrophus: interaction of the sulfur-binding protein SoxYZ with the dimanganese SoxB protein

scientific article published on 01 December 2003

Surface-enhanced resonance Raman spectroscopy of heme proteins on a gold grid electrode

scientific article published on 17 January 2020

Temperature Dependence of the Far Infrared Signature of Internal Hydrogen Bonds in Proteins as Probed for Integrins

The CO and CN(-) ligands to the active site Fe in [NiFe]-hydrogenase of Escherichia coli have different metabolic origins.

scientific article published on 21 June 2007

The H2O2-Resistant Fe–S Redox Switch MitoNEET Acts as a pH Sensor To Repair Stress-Damaged Fe–S Protein

scientific article published on 11 September 2018

The Temperature-Dependent Hydrogen-Bonding Signature of Lipids Monitored in the Far-Infrared Domain

scientific article published on 01 February 2010

The Unusal Redox Centers of SoxXA, a Novelc-Type Heme-Enzyme Essential for Chemotrophic Sulfur-Oxidation ofParacoccus pantotrophus†

scientific article published on 05 June 2007

The conformational changes induced by ubiquinone binding in the Na+-pumping NADH:ubiquinone oxidoreductase (Na+-NQR) are kinetically controlled by conserved glycines 140 and 141 of the NqrB subunit

scientific article

The obligate respiratory supercomplex from Actinobacteria

scientific article published on 26 July 2016

The putative assembly factor CcoH is stably associated with the cbb3-type cytochrome oxidase

scientific article published on 15 October 2010

The role of glycine residues 140 and 141 of subunit B in the functional ubiquinone binding site of the Na+-pumping NADH:quinone oxidoreductase from Vibrio cholerae.

scientific article

The unusual redox properties of C-type oxidases

scientific article published on 21 September 2016

Thermodynamic Contribution to the Regulation of Electron Transfer in the Na+-Pumping NADH:Quinone Oxidoreductase from Vibrio cholerae

scientific article published on 01 May 2012

Time-Resolved FT-IR Studies on the CO Adduct ofParacoccus denitrificansCytochromecOxidase: Comparison of the Fully Reduced and the Mixed Valence Form†

scientific article published on 01 June 1999

Triggering Cu-coordination change in Cu(ii)-Ala-His-His by external ligands

scientific article published on 01 July 2019

Vectofusin-1, a Potent Peptidic Enhancer of Viral Gene Transfer forms pH-dependent α-Helical Nanofibrils, Concentrating Viral Particles.

scientific article published on 7 October 2017

Vibrational Modes of Ubiquinone in Cytochromebo3fromEscherichiacoliIdentified by Fourier Transform Infrared Difference Spectroscopy and Specific13C Labeling†

scientific article published on 01 November 1999

Vibrational modes of tyrosines in cytochrome c oxidase from Paracoccus denitrificans: FTIR and electrochemical studies on Tyr-D4-labeled and on Tyr280His and Tyr35Phe mutant enzymes

scientific article published in July 2002

Vibrational spectroscopies and bioenergetic systems

article

Visualizing the movement of the amphipathic helix in the respiratory complex I using a nitrile infrared probe and SEIRAS

scientific article published on 07 October 2019

Zinc inhibition of bacterial cytochrome bc(1) reveals the role of cytochrome b E295 in proton release at the Q(o) site

scientific article published on 28 April 2011

pKa of Glu325 in LacY.

scientific article published on February 2017

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