[FeFe]-Hydrogenases: maturation and reactivity of enzymatic systems and overview of biomimetic models

JT Kleinhaus, F Wittkamp, S Yadav… - Chemical Society …, 2021 - pubs.rsc.org
While hydrogen plays an ever-increasing role in modern society, nature has utilized
hydrogen since a very long time as an energy carrier and storage molecule. Among the …

Hydrogenase enzymes and their synthetic models: the role of metal hydrides

D Schilter, JM Camara, MT Huynh… - Chemical …, 2016 - ACS Publications
Hydrogenase enzymes efficiently process H2 and protons at organometallic FeFe, NiFe, or
Fe active sites. Synthetic modeling of the many H2ase states has provided insight into …

The catalytic cycle of [FeFe] hydrogenase: A tale of two sites

JA Birrell, P Rodriguez-Macia, EJ Reijerse… - Coordination Chemistry …, 2021 - Elsevier
Ever since the discovery of hydrogenases over 90 years ago (Stephenson and Stickland,
1931), their structure and mechanism of action have been intensively investigated. Of the …

Current state of [FeFe]-hydrogenase research: biodiversity and spectroscopic investigations

H Land, M Senger, G Berggren, ST Stripp - ACS catalysis, 2020 - ACS Publications
Hydrogenases are redox enzymes that catalyze the conversion of protons and molecular
hydrogen (H2). Based on the composition of the active site cofactor, the monometallic [Fe] …

Spectroscopic and computational evidence that [FeFe] hydrogenases operate exclusively with CO-bridged intermediates

JA Birrell, V Pelmenschikov, N Mishra… - Journal of the …, 2019 - ACS Publications
[FeFe] hydrogenases are extremely active H2-converting enzymes. Their mechanism
remains highly controversial, in particular, the nature of the one-electron and two-electron …

Protonation/reduction dynamics at the [4Fe–4S] cluster of the hydrogen-forming cofactor in [FeFe]-hydrogenases

M Senger, S Mebs, J Duan, O Shulenina… - Physical Chemistry …, 2018 - pubs.rsc.org
The [FeFe]-hydrogenases of bacteria and algae are the most efficient hydrogen conversion
catalysts in nature. Their active-site cofactor (H-cluster) comprises a [4Fe–4S] cluster linked …

The molecular proceedings of biological hydrogen turnover

M Haumann, ST Stripp - Accounts of chemical research, 2018 - ACS Publications
Conspectus Over the past two decades, the bioinorganic chemistry of hydrogenases has
attracted much interest from basic and applied research. Hydrogenases are highly efficient …

[FeFe]-Hydrogenases: recent developments and future perspectives

F Wittkamp, M Senger, ST Stripp… - Chemical Communications, 2018 - pubs.rsc.org
[FeFe]-Hydrogenases are the most efficient enzymes for catalytic hydrogen turnover. Their
H2 production efficiency is hitherto unrivalled. However, functional details of the catalytic …

[HTML][HTML] An unexpected leading role for [Fe2 (CO) 6 (μ-pdt)] in our understanding of [FeFe]-H2ases and the search for clean hydrogen production

G Hogarth - Coordination Chemistry Reviews, 2023 - Elsevier
Abstract When Ziegler and Korav serendipitously prepared [Fe 2 (CO) 6 (μ-pdt)] in 1979 they
could not have anticipated that some 40 years later it would be a mainstay of attempts to …

Proton‐Coupled Reduction of the Catalytic [4Fe‐4S] Cluster in [FeFe]‐Hydrogenases

M Senger, K Laun, F Wittkamp, J Duan… - Angewandte Chemie …, 2017 - Wiley Online Library
Abstract In nature,[FeFe]‐hydrogenases catalyze the uptake and release of molecular
hydrogen (H2) at a unique iron‐sulfur cofactor. The absence of an electrochemical …