Results 11 to 20 of about 88,565 (287)

Ferredoxin and ferredoxin–heme maquettes [PDF]

Proceedings of the National Academy of Sciences, 1996
A 16-amino acid residue peptide derived from a consensus motif of natural ferredoxins incorporates a tetranuclear iron sulfur cluster under physiological conditions. Successful assembly of the [4Fe–4S] 2+/1+ cluster within a monomeric peptide was demonstrated using size exclusion chromatography, UV-visible ...
B R, Gibney, S E, Mulholland, F, Rabanal, P L, Dutton   +3 more
openaire   +2 more sources

Evolving a New Electron Transfer Pathway for Nitrogen Fixation Uncovers an Electron Bifurcating-Like Enzyme Involved in Anaerobic Aromatic Compound Degradation

mBio, 2023
Nitrogenase is the key enzyme involved in nitrogen fixation and uses low potential electrons delivered by ferredoxin (Fd) or flavodoxin (Fld) to reduce dinitrogen gas (N2) to produce ammonia, generating hydrogen gas (H2) as an obligate product of this ...
Nathan M. Lewis, Abigail Sarne, Kathryn R. Fixen   +2 more
doaj   +1 more source

FusB Energizes Import across the Outer Membrane through Direct Interaction with Its Ferredoxin Substrate

mBio, 2020
Phytopathogenic Pectobacterium spp. import ferredoxin into the periplasm for proteolytic processing and iron release via the ferredoxin uptake system.
Marta Wojnowska, Daniel Walker
doaj   +1 more source

Pyruvate:ferredoxin oxidoreductase and low abundant ferredoxins support aerobic photomixotrophic growth in cyanobacteria

eLife, 2022
The decarboxylation of pyruvate is a central reaction in the carbon metabolism of all organisms. It is catalyzed by the pyruvate:ferredoxin oxidoreductase (PFOR) and the pyruvate dehydrogenase (PDH) complex.
Yingying Wang, Xi Chen, Katharina Spengler, Karoline Terberger, Marko Boehm, Jens Appel, Thomas Barske, Stefan Timm, Natalia Battchikova, Martin Hagemann, Kirstin Gutekunst   +10 more
doaj   +1 more source

Chloroplast Lipids Metabolism and Function. A Redox Perspective

Frontiers in Plant Science, 2021
Plant productivity is determined by the conversion of solar energy into biomass through oxygenic photosynthesis, a process performed by protein-cofactor complexes including photosystems (PS) II and I, and ATP synthase.
M. Luisa Hernández, Francisco Javier Cejudo   +1 more
doaj   +1 more source

Towards the spatial resolution of metalloprotein charge states by detailed modeling of XFEL crystallographic diffraction. [PDF]

, 2020
Oxidation states of individual metal atoms within a metalloprotein can be assigned by examining X-ray absorption edges, which shift to higher energy for progressively more positive valence numbers.
Holton, James M, Kern, Jan, Sauter, Nicholas K, Yano, Junko   +3 more
core   +2 more sources

The interaction of ferredoxin‐linked sulfite reductase with ferredoxin [PDF]

FEBS Letters, 1987
Spinach sulfite reductase has been shown to co‐migrate during gel filtration chromatography at low ionic strength with spinach ferredoxin. No co‐migration was observed at high ionic strength. These results indicate that the two proteins form a high‐affinity, electrostatically stabilized complex, as had previously been demonstrated for three other ...
Hirasawa, Masakazu, Boyer, J.Milton, Gray, Kevin A., Davis, Danny J., Knaff, David B.   +4 more
openaire   +1 more source

Roles of Ferredoxin-Dependent Proteins in the Apicoplast of Plasmodium falciparum Parasites

mBio, 2022
Ferredoxin (Fd) and ferredoxin-NADP+ reductase (FNR) form a redox system that is hypothesized to play a central role in the maintenance and function of the apicoplast organelle of malaria parasites.
Russell P. Swift, Krithika Rajaram, Rubayet Elahi, Hans B. Liu, Sean T. Prigge   +4 more
doaj   +1 more source

Structure of the atypical bacteriocin pectocin M2 implies a novel mechanism of protein uptake [PDF]

, 2014
The colicin-like bacteriocins are potent protein antibiotics that have evolved to efficiently cross the outer membrane of Gram-negative bacteria by parasitizing nutrient uptake systems.
Adams, Barreteau, Barreteau, Barreteau, Barreteau, Bernadó, Brookes, Buchanan, Cascales, Chen, Clarke, Denayer, Devanathan, Durand, Elfarash, Emsley, Faraldo-Gomez, Fyfe, Grinter, Grinter, Grinter, Helbig, Housden, Housden, Incardona, Jakes, Kleanthous, Konarev, Laskowski, Lloyd, Loftus, Lukacik, McCoy, Michel-Briand, Murshudov, Noinaj, Noinaj, Patzer, Petoukhov, Rai, Rambo, Riley, Shirvanyants, Svergun, Svergun, Udho, Udho, Usher, Wandersman, Winn, Zeth   +50 more
core   +3 more sources

Side chain hydroxylation of C27-steroids and vitamin D3 by a cytochrome P-450 enzyme system isolated from human liver mitochondria

Journal of Lipid Research, 1981
The present study was undertaken to obtain information on the involvement of cytochrome P-450 in the 26-hydroxylation on bile acid intermediates and in the 25-hydroxylation of vitamin D3 in human liver mitochondria.
H Oftebro, K Saarem, I Björkhem, J I Pedersen   +3 more
doaj   +1 more source