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NADH Oxidase
| Catalog | Product Name | EC No. | CAS No. | Source | Price |
|---|---|---|---|---|---|
| NATE-0473 | Native Bacillus licheniformis NADH Oxidase | 9032-21-7 | Bacillus lichen... | Inquiry |
Related Reading
NADH oxidase is an enzyme found in a variety of organisms, including bacteria, fungi and animals. It is involved in the transfer of electrons in biochemical reactions, particularly in the production of energy in cellular metabolism. This enzyme plays a key role in the respiratory chain, where NADH is oxidized to NAD+ and reduces molecular oxygen, ultimately producing water and energy in the process.
Structure
NADH oxidase is a flavoprotein containing two flavin adenine dinucleotide (FAD) molecules and one heme group per subunit. The enzyme consists of two identical subunits, each with a molecular weight of about 60-65 kDa. These subunits are linked by two disulfide bonds and a calcium ion. The function of the calcium ion is to stabilize the protein structure and increase the enzyme activity. The catalytic mechanism of NADH oxidase involves the transfer of electrons from NADH to the FAD cofactor, which is reduced to FADH2. FADH2 is then oxidized by oxygen to form hydrogen peroxide (H2O2) and FAD, which is subsequently reduced by NAD+ to form NADH.
Biotechnological applications of NADH oxidase
NADH oxidase is a promising target for biotechnological applications because of its ability to produce hydrogen peroxide, a powerful oxidant with many industrial and medical applications. In the food industry, NADH oxidase can be used to improve the shelf life of foods by reducing the growth of microorganisms that cause spoilage. Similarly, NADH oxidase is used in the production of cheese and other dairy products, where it can improve the flavor and texture of the final product.
NADH oxidase and disease
Recent studies have implicated NADH oxidases in the development and progression of a variety of human diseases, including cancer, cardiovascular disease and neurodegenerative disorders. One of the most widely studied isoforms of NADH oxidase is NOX4, which has been shown to play a key role in the regulation of cellular redox homeostasis and signaling pathways. Accumulating evidence suggests that dysregulation of NOX4 expression and activity is associated with the development of various cancers, including breast, lung and prostate cancers. In addition, NOX4 has been associated with the development of diabetic cardiovascular disease, neurodegenerative diseases such as Alzheimer's disease, and inflammatory diseases such as asthma and chronic obstructive pulmonary disease (COPD).
In the medical field
In the medical field, NADH oxidase has been investigated for its potential use as an antimicrobial agent. Studies have shown that NADH oxidase produced by certain bacteria can inhibit the growth of other bacteria and fungi, suggesting that it may have a therapeutic role in the treatment of infections caused by antibiotic-resistant pathogens. In addition, NADH oxidase has been shown to have antioxidant properties and may have potential in the prevention and treatment of oxidative stress-related diseases, such as cardiovascular disease and cancer.
Conclusion
In conclusion, NADH oxidase is a key enzyme involved in energy metabolism and regulation of cellular redox homeostasis. It has many biological functions such as electron transfer in the respiratory chain and the production of hydrogen peroxide as an antimicrobial agent. NADH oxidase has potential applications in biotechnology and medicine, such as the production of cheese, antimicrobial agents, and the prevention and treatment of various diseases. Future research on NADH oxidases may identify new therapeutic targets for the treatment of human diseases and provide new insights into the regulation of cellular metabolism and signaling pathways.