Results 31 to 40 of about 63,041 (289)

Amazing Diversity in Biochemical Roles of Fe(II)/2-Oxoglutarate Oxygenases

open access: yesTIBS -Trends in Biochemical Sciences. Regular ed, 2018
Since their discovery in the 1960s, the family of Fe(II)/2-oxoglutarate-dependent oxygenases has undergone a tremendous expansion to include enzymes catalyzing a vast diversity of biologically important reactions.
Caitlyn Q Herr, R. Hausinger
semanticscholar   +1 more source

Assays for the Detection of Rubber Oxygenase Activities

open access: yesBio-Protocol, 2017
Microbial biodegradation of rubber relies on extracellular rubber oxygenases that catalyze the oxidative cleavage of the double bond of the polyisoprene backbone into oligo-isoprenoids.
Wolf Röther   +2 more
doaj   +1 more source

Spin-orbit coupling effects in O(2) activation by cofactor-independent 2,4-dioxygenase [PDF]

open access: yesThe Ukrainian Biochemical Journal, 2019
The O2 (dioxygen) is paramagnetic molecule with two non-paired electron spins and triplet ground state (S = 1) while majority of organic molecules are diamagnetic species; they have all electron spins paired and the singlet ground state with the total ...
B. F. Minaev, R. R. Valiev
doaj   +1 more source

OxDBase: a database of oxygenases involved in biodegradation

open access: yesBMC Research Notes, 2009
Background Oxygenases belong to the oxidoreductive group of enzymes (E.C. Class 1), which oxidize the substrates by transferring oxygen from molecular oxygen (O2) and utilize FAD/NADH/NADPH as the co-substrate.
Raghava Gajendra PS   +4 more
doaj   +1 more source

Métabolisme oxygéné des acides gras polyinsaturés et fonction dans les cellules sanguines et vasculaires1

open access: yesOléagineux, Corps gras, Lipides, 2011
Most polyunsaturated fatty acids have the minimal 1,4-cis,cis-pentadiene configuration to be oxygenated into a conjugated diene hydroperoxide. This product is usually reduced into the corresponding hydroxy derivative by cell glutathione peroxidases.
Lagarde Michel
doaj   +1 more source

Structural basis for endoperoxide-forming oxygenases

open access: yesBeilstein Journal of Organic Chemistry, 2022
Endoperoxide natural products are widely distributed in nature and exhibit various biological activities. Due to their chemical features, endoperoxide and endoperoxide-derived secondary metabolites have attracted keen attention in the field of natural ...
Takahiro Mori, Ikuro Abe
doaj   +1 more source

Identification of a Phylogenetically Divergent Vanillate O-Demethylase from Rhodococcus ruber R1 Supporting Growth on Meta-Methoxylated Aromatic Acids

open access: yesMicroorganisms, 2022
Rieske-type two-component vanillate O-demethylases (VanODs) catalyze conversion of the lignin-derived monomer vanillate into protocatechuate in several bacterial species. Currently, VanODs have received attention because of the demand of effective lignin
Raúl A. Donoso   +4 more
doaj   +1 more source

Molecular insights into the unusually promiscuous and catalytically versatile Fe(II)/α-ketoglutarate-dependent oxygenase SptF

open access: yesNature Communications, 2022
Non-heme iron and α-ketoglutarate-dependent (Fe/αKG) oxygenases have attracted attention for their application as biocatalysts due to their flexibility and high efficiency.
Hui Tao   +6 more
doaj   +1 more source

Chlamydomonas reinhardtii LFO1 Is an IsdG Family Heme Oxygenase

open access: yesmSphere, 2017
Heme is essential for respiration across all domains of life. However, heme accumulation can lead to toxicity if cells are unable to either degrade or export heme or its toxic by-products.
Lisa J. Lojek   +7 more
doaj   +1 more source

Bacillus subtilis HmoB is a heme oxygenase with a novel structure [PDF]

open access: yesBMB Reports, 2012
Iron availability is limited in the environment and mostbacteria have developed a system to acquire iron from hosthemoproteins. Heme oxygenase plays an important role bydegrading heme group and releasing the essential nutrientiron.
Seonghun Park, Sarah Choi, Jungwoo Choe
doaj   +1 more source

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