Results 1 to 10 of about 670,508 (357)

Dihydropteridine Reductase

open access: yesPteridines, 1993
Summary During the past decade numerous advances have been made in understanding the structure, mechanism and clinical properties of dihydropteridine reductase. An attempt is made here to delineate the current status of this essential enzyme by describing its structural features, its kinetic mechanism, the cloning and expression of both rat and human ...
Whiteley John M.   +4 more
openaire   +2 more sources

Determination of the Protein-Protein Interactions within Acyl Carrier Protein (MmcB)-Dependent Modifications in the Biosynthesis of Mitomycin

open access: yesMolecules, 2021
Mitomycin has a unique chemical structure and contains densely assembled functionalities with extraordinary antitumor activity. The previously proposed mitomycin C biosynthetic pathway has caused great attention to decipher the enzymatic mechanisms for ...
Dongjin Leng   +7 more
doaj   +1 more source

The History of mARC

open access: yesMolecules, 2023
The mitochondrial amidoxime-reducing component (mARC) is the most recently discovered molybdoenzyme in humans after sulfite oxidase, xanthine oxidase and aldehyde oxidase. Here, the timeline of mARC’s discovery is briefly described. The story begins with
Bernd Clement, Michel A. Struwe
doaj   +1 more source

Single Mutations in Cytochrome P450 Oxidoreductase Can Alter the Specificity of Human Cytochrome P450 1A2-Mediated Caffeine Metabolism

open access: yesBiomolecules, 2023
A unique cytochrome P450 (CYP) oxidoreductase (CPR) sustains activities of human microsomal CYPs. Its function requires toggling between a closed conformation enabling electron transfers from NADPH to FAD and then FMN cofactors and open conformations ...
Francisco Esteves   +8 more
doaj   +1 more source

Phytophthora capsici sterol reductase PcDHCR7 has a role in mycelium development and pathogenicity

open access: yesOpen Biology, 2022
The de novo biosynthesis of sterols is critical for the majority of eukaryotes; however, some organisms lack this pathway, including most oomycetes. Phytophthora spp.
Weizhen Wang   +6 more
doaj   +1 more source

Chromium bioremediation by Alcaligenes sp. strain newly isolated from chromite mine of Sabzevar [PDF]

open access: yesJournal of Advances in Environmental Health Research, 2017
In this work, CKCr-6A strain was found to be highly resistant to some toxic heavy metals such as Cr+6, Cr+3, Cu+2, Co+2, Cd+2, Pb+2, Hg+2, U+6, tellurium, and selenite. Herein, high chromate tolerance of an isolated strain is reported with a high minimum
Mohsen Mesbahi-Nowrouzi   +2 more
doaj   +1 more source

Thiol Reductases in Deinococcus Bacteria and Roles in Stress Tolerance

open access: yesAntioxidants, 2022
Deinococcus species possess remarkable tolerance to extreme environmental conditions that generate oxidative damage to macromolecules. Among enzymes fulfilling key functions in metabolism regulation and stress responses, thiol reductases (TRs) harbour ...
Arjan de Groot   +3 more
doaj   +1 more source

Human Carbonyl Reductase 1 Is an S-Nitrosoglutathione Reductase [PDF]

open access: yesJournal of Biological Chemistry, 2008
Human carbonyl reductase 1 (hCBR1) is an NADPH-dependent short chain dehydrogenase/reductase with broad substrate specificity and is thought to be responsible for the in vivo reduction of quinones, prostaglandins, and other carbonyl-containing compounds including xenobiotics.
Brandon Tavshanjian   +4 more
openaire   +3 more sources

Identifying structural and dynamic changes during the Biliverdin Reductase B catalytic cycle

open access: yesFrontiers in Molecular Biosciences, 2023
Biliverdin Reductase B (BLVRB) is an NADPH-dependent reductase that catalyzes the reduction of multiple substrates and is therefore considered a critical cellular redox regulator.
Eunjeong Lee   +6 more
doaj   +1 more source

Ketopantoyl lactone reductase is a conjugated polyketone reductase [PDF]

open access: yesFEMS Microbiology Letters, 1989
Ketopantoyl lactone reductase (EC 1.1.1.168) of Saccharomyces cerevisiae was found to catalyze the reduction of a variety of natural and unnatural conjugated polyketone compounds and quinones, such as isatin, ninhydrin, camphorquinone and beta-naphthoquinone in the presence of NADPH. 5-Bromoisatin is the best substrate for the enzyme (Km = 3.1 mM; Vmax
Sakayu Shimizu   +3 more
openaire   +3 more sources

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