[HTML][HTML] From protein engineering to artificial enzymes–biological and biomimetic approaches towards sustainable hydrogen production

C Esmieu, P Raleiras, G Berggren - Sustainable Energy & Fuels, 2018 - pubs.rsc.org
Hydrogen gas is used extensively in industry today and is often put forward as a suitable
energy carrier due its high energy density. Currently, the main source of molecular hydrogen …

Evidence for H2 consumption by uncultured Desulfobacterales in coastal sediments

S Dyksma, P Pjevac, K Ovanesov… - Environmental …, 2018 - Wiley Online Library
Molecular hydrogen (H2) is the key intermediate in the anaerobic degradation of organic
matter. Its removal by H2‐oxidizing microorganisms is essential to keep anaerobic …

Tracking the route of molecular oxygen in O2-tolerant membrane-bound [NiFe] hydrogenase

J Kalms, A Schmidt, S Frielingsdorf… - Proceedings of the …, 2018 - National Acad Sciences
[NiFe] hydrogenases catalyze the reversible splitting of H2 into protons and electrons at a
deeply buried active site. The catalytic center can be accessed by gas molecules through a …

Mechanistic Exploitation of a Self-Repairing, Blocked Proton Transfer Pathway in an O2-Tolerant [NiFe]-Hydrogenase

RM Evans, PA Ash, SE Beaton, EJ Brooke… - Journal of the …, 2018 - ACS Publications
Catalytic long-range proton transfer in [NiFe]-hydrogenases has long been associated with a
highly conserved glutamate (E) situated within 4 Å of the active site. Substituting for …

O2-tolerant [NiFe]-hydrogenases of Ralstonia eutropha H16: Physiology, molecular biology, purification, and biochemical analysis

O Lenz, L Lauterbach, S Frielingsdorf - Methods in enzymology, 2018 - Elsevier
Abstract Dioxygen-tolerant [NiFe]-hydrogenases are defined by their ability to catalyze the
reaction, H 2⇌ 2H++ 2e− even in the presence of O 2. Catalytic and probably also …

Comprehensive reaction mechanisms at and near the Ni–Fe active sites of [NiFe] hydrogenases

H Tai, Y Higuchi, S Hirota - Dalton Transactions, 2018 - pubs.rsc.org
[NiFe] hydrogenase (H2ase) catalyzes the oxidation of dihydrogen to two protons and two
electrons and/or its reverse reaction. For this simple reaction, the enzyme has developed a …

In situ spectroelectrochemical studies into the formation and stability of robust diazonium-derived interfaces on gold electrodes for the immobilization of an oxygen …

TGAA Harris, N Heidary, J Kozuch… - … applied materials & …, 2018 - ACS Publications
Surface-enhanced infrared absorption spectroscopy is used in situ to determine the
electrochemical stability of organic interfaces deposited onto the surface of nanostructured …

Structure and electrochemistry of proteins harboring iron-sulfur clusters of different nuclearities. Part II.[4Fe-4S] and [3Fe-4S] iron-sulfur proteins

P Zanello - Journal of Structural Biology, 2018 - Elsevier
In the context of the plethora of proteins harboring iron-sulfur clusters we have already
reviewed structure/electrochemistry of metalloproteins expressing single types of iron-sulfur …

System analysis and improved [FeFe] hydrogenase O2 tolerance suggest feasibility for photosynthetic H2 production

J Koo, JR Swartz - Metabolic engineering, 2018 - Elsevier
Photosynthetic H 2 production has been a compelling but elusive objective. Here we
describe how coordinated bioreactor, metabolic pathway, and protein engineering now …

Reactivation of standard [NiFe]-hydrogenase and bioelectrochemical catalysis of proton reduction and hydrogen oxidation in a mediated-electron-transfer system

S Shiraiwa, K So, Y Sugimoto, Y Kitazumi, O Shirai… - …, 2018 - Elsevier
Abstract Standard [NiFe]-hydrogenase from Desulfovibrio vulgaris Miyazaki F (DvMF-H 2
ase) catalyzes the uptake and production of hydrogen (H 2) and is a promising biocatalyst …