Results 81 to 90 of about 150 (127)
Selective Electroenzymatic Oxyfunctionalization by Alkane Monooxygenase in a Biofuel Cell
Angewandte Chemie - International Edition, 2020 AbstractAliphatic synthetic intermediates with high added value are generally produced from alkane sources (e.g., petroleum) by inert carbon–hydrogen (C−H) bond activation using classical chemical methods (i.e. high temperature, rare metals). As an alternative approach for these reactions, alkane monooxygenase from Pseudomonas putida (alkB) is able to ...
Shelley Minteer +2 more
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Structure and Function of Alkane Monooxygenase (AlkB)
Accounts of Chemical Research, 2023Every year, perhaps as much as 800 million tons of hydrocarbons enters the environment; alkanes make up a large percentage of it. Most are transformed by organisms that utilize these molecules as sources of energy and carbon. Both aerobic and anaerobic alkane transformation chemistries exist, capitalizing on the presence of alkanes in both oxic and ...
John T. Groves +2 more
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3 Biotech, 2020 Alkane-1-monooxygenase of alkanotrophic Rhodococcus species has been characterized using standard bioinformatics tools to investigate phylogenetic relationships, and three-dimensional structure and functions. Results revealed that activity of the Rhodococcus alkane-1-monooxygenase would be optimum in alkaline pH as their isoelectric points were in the ...
Siddhartha Pal, Kriti Sengupta
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Journal of Inorganic Biochemistry, 2021
Interest in understanding the environmental distribution of the alkane monooxygenase (AlkB) enzyme led to the identification of over 100 distinct alkane monooxygenase (AlkB) enzymes containing a covalently bound, or fused, rubredoxin. The rubredoxin-fused AlkB from Dietzia cinnamea was cloned as a full-length protein and as a truncated protein with the
Shoshana C, Williams +5 more
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Interest in understanding the environmental distribution of the alkane monooxygenase (AlkB) enzyme led to the identification of over 100 distinct alkane monooxygenase (AlkB) enzymes containing a covalently bound, or fused, rubredoxin. The rubredoxin-fused AlkB from Dietzia cinnamea was cloned as a full-length protein and as a truncated protein with the
Shoshana C, Williams +5 more
openaire +2 more sources
Alkane Oxidation: Methane Monooxygenases, Related Enzymes, and Their Biomimetics
Chemical Reviews, 2017Methane monooxygenases (MMOs) mediate the facile conversion of methane into methanol in methanotrophic bacteria with high efficiency under ambient conditions. Because the selective oxidation of methane is extremely challenging, there is considerable interest in understanding how these enzymes carry out this difficult chemistry.
Vincent C.-C. Wang +5 more
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Cloning and expression of three ladA-type alkane monooxygenase genes from an extremely thermophilic alkane-degrading bacterium Geobacillus thermoleovorans B23 [PDF]
Extremophiles, 2014 An extremely thermophilic bacterium, Geobacillus thermoleovorans B23, is capable of degrading a broad range of alkanes (with carbon chain lengths ranging between C11 and C32) at 70 °C. Whole-genome sequence analysis revealed that unlike most alkane-degrading bacteria, strain B23 does not possess an alkB-type alkane monooxygenase gene.
Masaaki Morikawa, Morikawa Masaaki
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Directed Evolution of a Cytochrome P450 Monooxygenase for Alkane Oxidation
Advanced Synthesis & Catalysis, 2001Cytochrome P450 monooxygenase BM-3 (EC 1.14.14.1) hydroxylates fatty acids with chain lengths between C12 and C18. It is also known to oxi- dize the corresponding alcohols and amides. How- ever, it is not known to oxidize alkanes. Here we re- port that P450 BM-3 oxidizes octane, which is four carbons shorter and lacks the carboxylate function- ality of
Farinas, Edgardo T. +3 more
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Systematic and Applied Microbiology, 2015
Naturally occurring and anthropogenic petroleum hydrocarbons are potential carbon sources for many bacteria. The AlkB-related alkane hydroxylases, which are integral membrane non-heme iron enzymes, play a key role in the microbial degradation of many of these hydrocarbons. Several members of the genus Rhodococcus are well-known alkane degraders and are
Tibor Benedek +2 more
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Naturally occurring and anthropogenic petroleum hydrocarbons are potential carbon sources for many bacteria. The AlkB-related alkane hydroxylases, which are integral membrane non-heme iron enzymes, play a key role in the microbial degradation of many of these hydrocarbons. Several members of the genus Rhodococcus are well-known alkane degraders and are
Tibor Benedek +2 more
exaly +3 more sources
Dynamics of Alkane Hydroxylation at the Non-Heme Diiron Center in Methane Monooxygenase
Journal of the American Chemical Society, 2002Semiclassical molecular dynamics simulations have been combined with quantum chemistry calculations to provide detailed modeling of the methane and ethane hydroxylation reactions catalyzed by the hydroxylase enzymes of the soluble methane monooxygenase system. The experimental distribution of enantiomeric alcohols in the reaction of ethanes made chiral
Victor, Guallar +4 more
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A novel, divergent alkane monooxygenase (
Summary Alkanes are ubiquitous in marine ecosystems and originate from diverse sources ranging from natural oil seeps to anthropogenic inputs and biogenic production by cyanobacteria. Enzymes that degrade cyanobacterial alkanes (typically C15–C17 compounds) such as the alkane monooxygenase (AlkB) are widespread, but it remains unclear
Smruthi Karthikeyan +6 more
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