Yvonne Rippers
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View article: Two-dimensional infrared spectroscopy as a tool to reveal the vibrational and molecular structure of [FeFe] hydrogenases
Two-dimensional infrared spectroscopy as a tool to reveal the vibrational and molecular structure of [FeFe] hydrogenases Open
In this proof-of-concept study, we demonstrate how experimental and computational 2D-IR spectroscopy can provide insights into the vibrational and molecular structure of [FeFe] hydrogenases.
View article: Light‐Induced Electron Transfer in a [NiFe] Hydrogenase Opens a Photochemical Shortcut for Catalytic Dihydrogen Cleavage
Light‐Induced Electron Transfer in a [NiFe] Hydrogenase Opens a Photochemical Shortcut for Catalytic Dihydrogen Cleavage Open
[NiFe] hydrogenases catalyze the reversible cleavage of molecular hydrogen into protons and electrons. Here, we have studied the impact of temperature and illumination on an oxygen‐tolerant and thermostable [NiFe] hydrogenase by IR and EPR…
View article: Lichtinduzierter Elektronentransfer in einer [NiFe]‐Hydrogenase: Eine Photochemische Abkürzung für die Katalytische Wasserstoffspaltung
Lichtinduzierter Elektronentransfer in einer [NiFe]‐Hydrogenase: Eine Photochemische Abkürzung für die Katalytische Wasserstoffspaltung Open
[NiFe]‐Hydrogenasen katalysieren die reversible Spaltung von molekularem Wasserstoff in Protonen und Elektronen. Hier untersuchen wir mittels IR‐ und EPR‐Spektroskopie den Einfluß von Temperatur und Licht auf eine sauerstofftolerante und t…
View article: Understanding the [NiFe] Hydrogenase Active Site Environment through Ultrafast Infrared and 2D-IR Spectroscopy of the Subsite Analogue K[CpFe(CO)(CN)<sub>2</sub>] in Polar and Protic Solvents
Understanding the [NiFe] Hydrogenase Active Site Environment through Ultrafast Infrared and 2D-IR Spectroscopy of the Subsite Analogue K[CpFe(CO)(CN)<sub>2</sub>] in Polar and Protic Solvents Open
The [CpFe(CO)(CN)2]− unit is an excellent structural model for the Fe(CO)(CN)2 moiety of the active site found in [NiFe] hydrogenases. Ultrafast infrared (IR) pump–probe and 2D-IR spectroscopy have been used to study K[CpFe(CO)(CN)2] (M1) …
View article: Structural and electronic properties of the active site of [ZnFe] SulE
Structural and electronic properties of the active site of [ZnFe] SulE Open
The function of the recently isolated sulerythrin (SulE) has been investigated using a combination of structural and electronic analyses based on quantum mechanical calculations. In the SulE structure of Fushinobu et al. (2003) , isolated …
View article: Understanding 2D-IR Spectra of Hydrogenases: A Descriptive and Predictive Computational Study
Understanding 2D-IR Spectra of Hydrogenases: A Descriptive and Predictive Computational Study Open
[NiFe] hydrogenases are metalloenzymes that catalyze the reversible cleavage of dihydrogen (H2), a clean future fuel. Understanding the mechanism of these biocatalysts requires spectroscopic techniques that yield insights into the structur…
View article: Ultrafast 2D-IR spectroscopy of [NiFe] hydrogenase from <i>E. coli</i> reveals the role of the protein scaffold in controlling the active site environment
Ultrafast 2D-IR spectroscopy of [NiFe] hydrogenase from <i>E. coli</i> reveals the role of the protein scaffold in controlling the active site environment Open
Ultrafast two-dimensional infrared (2D-IR) spectroscopy of Escherichia coli Hyd-1 ( Ec Hyd-1) reveals the structural and dynamic influence of the protein scaffold on the Fe(CO)(CN) 2 unit of the active site.
View article: CCDC 1873382: Experimental Crystal Structure Determination
CCDC 1873382: Experimental Crystal Structure Determination Open
View article: CCDC 1873381: Experimental Crystal Structure Determination
CCDC 1873381: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: The Molybdenum Active Site of Formate Dehydrogenase Is Capable of Catalyzing C–H Bond Cleavage and Oxygen Atom Transfer Reactions
The Molybdenum Active Site of Formate Dehydrogenase Is Capable of Catalyzing C–H Bond Cleavage and Oxygen Atom Transfer Reactions Open
Formate dehydrogenases (FDHs) are capable of performing the reversible oxidation of formate and are enzymes of great interest for fuel cell applications and for the production of reduced carbon compounds as energy sources from CO2. Metal-c…
View article: QM MM calculations on the membrane bound hydrogenase from Ralstonia eutropha
QM MM calculations on the membrane bound hydrogenase from Ralstonia eutropha Open
Molekularer Wasserstoff ist ein einfaches Molekül, das in der Knallgasreaktion mit Sauerstoff viel Energie freisetzt (572 kJ/mol). Aus diesem Grund wird es immer häufiger als saubere Energiequelle und als Alternative zu CO2 emittierenden V…