Results 21 to 30 of about 59,930 (249)

Functional relationships of three NFU proteins in the biogenesis of chloroplastic iron‐sulfur clusters

open access: yesPlant Direct, 2021
Iron‐sulfur clusters are required in a variety of biological processes. Biogenesis of iron‐sulfur clusters includes assembly of iron‐sulfur clusters on scaffold complexes and transfer of iron‐sulfur clusters to recipient apoproteins by iron‐sulfur ...
Manasa B. Satyanarayan   +4 more
doaj   +1 more source

Structural and Biochemical Characterization of Mycobacterium tuberculosis Zinc SufU-SufS Complex

open access: yesBiomolecules, 2023
Iron-sulfur (Fe-S) clusters are inorganic prosthetic groups in proteins composed exclusively of iron and inorganic sulfide. These cofactors are required in a wide range of critical cellular pathways. Iron-sulfur clusters do not form spontaneously in vivo;
Ingie Elchennawi   +4 more
doaj   +1 more source

Functional Characterization of the Eukaryotic Cysteine Desulfurase Nfs1p from Saccharomyces cerevisiae [PDF]

open access: yes, 2004
Previous studies have indicated that the essential protein Nfs1 performs a crucial role in cellular iron-sulfur (Fe/S) protein maturation. The protein is located predominantly in mitochondria, yet low amounts are present in cytosol and nucleus.
Balk   +73 more
core   +3 more sources

Mitoferrin, Cellular and Mitochondrial Iron Homeostasis

open access: yesCells, 2022
Iron is essential for many cellular processes, but cellular iron homeostasis must be maintained to ensure the balance of cellular signaling processes and prevent disease.
Md Yousuf Ali   +3 more
doaj   +1 more source

Structure of a putative immature form of a Rieske-type iron-sulfur protein in complex with zinc chloride

open access: yesCommunications Chemistry, 2023
Iron-sulfur clusters are prosthetic groups of proteins involved in various biological processes. However, details of the immature state of the iron-sulfur cluster into proteins have not yet been elucidated. We report here the first structural analysis of
Erika Tsutsumi   +9 more
doaj   +1 more source

Pichia pastoris Fep1 is a [2Fe-2S] protein with a Zn finger that displays an unusual oxygen-dependent role in cluster binding [PDF]

open access: yes, 2016
Fep1, the iron-responsive GATA factor from the methylotrophic yeast Pichia pastoris, has been characterised both in vivo and in vitro. This protein has two Cys(2)-Cys(2) type zinc fingers and a set of four conserved cysteines arranged in a Cys-X-5-Cys-X ...
Battistoni, Andrea   +8 more
core   +4 more sources

Influence of association state and DNA binding on the O2-reactivity of [4Fe-4S] fumarate and nitrate reduction (FNR) regulator [PDF]

open access: yes, 2014
The fumarate and nitrate reduction (FNR) regulator is the master switch for the transition between anaerobic and aerobic respiration in Escherichia coli.
Andrew J. Thomson   +41 more
core   +1 more source

Current knowledge and recent advances in understanding metabolism of the model cyanobacterium Synechocystis sp. PCC 6803 [PDF]

open access: yes, 2020
Cyanobacteria are key organisms in the global ecosystem, useful models for studying metabolic and physiological processes conserved in photosynthetic organisms, and potential renewable platforms for production of chemicals.
Lea-Smith, David   +2 more
core   +3 more sources

Recent Advances in Our Understanding of the Biosynthesis of Sulfur Modifications in tRNAs

open access: yesFrontiers in Microbiology, 2018
Sulfur is an essential element in all living organisms. In tRNA molecules, there are many sulfur-containing nucleosides, introduced post-transcriptionally, that function to ensure proper codon recognition or stabilization of tRNA structure, thereby ...
Naoki Shigi
doaj   +1 more source

Identification of Sequences Encoding Symbiodinium minutum Mitochondrial Proteins. [PDF]

open access: yes, 2016
The dinoflagellates are an extremely diverse group of algae closely related to the Apicomplexa and the ciliates. Much work has previously been undertaken to determine the presence of various biochemical pathways within dinoflagellate mitochondria ...
Butterfield, Erin R.   +2 more
core   +4 more sources

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