NDUFB5 Inhibitors
NDUFB5 inhibitors encompass a range of compounds that target various aspects of the mitochondrial electron transport system, thereby diminishing the activity of NDUFB5 through indirect pathways. Compounds such as Rotenone and Piericidin A bind to ubiquinone reduction sites in Complex I, directly impeding the electron transfer process that NDUFB5 is a part of, resulting in reduced ATP production. Similarly, Vitamin B1 and Thenoyltrifluoroacetone (TTFA) exert their inhibitory effects on the upstream components of the electron transport chain, which creates a state of heightened reduction pressure on Complex I, where NDUFB5 operates, thus indirectly undermining its activity. Antimycin A and Stigmatellin target Complex III, leading to a buildup of reduced electron carriers that exert back pressure onto Complex I, indirectly affecting NDUFB5's role in electron transfer. Additionally, caprolactam's uncoupling effect on oxidative phosphorylation indirectly leads to a diminished functional state for NDUFB5 by disrupting the proton gradient essential for ATP synthesis, impacting the demand for NDUFB5-mediated electron transfer.
The impact of indirect NDUFB5 inhibitors extends to the regulation of reactive oxygen species production and mitochondrial stability. Compounds like Dimethyl malonate and Malonate, which are competitive inhibitors of succinate dehydrogenase (Complex II), increase the reduction pressure on Complex I, potentially leading to oxidative damage and decreased stability of NDUFB5. Inhibitors such as Carboxine also contribute to this effect by targeting Complex II, further influencing the performance of NDUFB5. Additionally, Sodium azide and Cyanide, both inhibitors of Complex IV, create a back pressure on the entire electron transport chain, including Complex I, indirectly diminishing the capacity of NDUFB5 in the electron transfer process. Through these multifaceted actions, these chemical compounds effectively inhibit the functional activity of NDUFB5 by influencing the interconnected signaling pathways and cellular processes within the mitochondrial matrix, without directly affecting the transcription or translation of the NDUFB5 gene.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Rotenone | 83-79-4 | sc-203242 sc-203242A | 1 g 5 g | $89.00 $259.00 | 41 | |
Rotenone is an inhibitor of the mitochondrial electron transport chain, specifically targeting Complex I where NDUFB5 is a subunit. By binding at the ubiquinone reduction site of Complex I, it prevents the transfer of electrons from iron-sulfur clusters in the complex to ubiquinone, thus diminishing the activity of NDUFB5 as part of the complex. | ||||||
Piericidin A | 2738-64-9 | sc-202287 | 2 mg | $291.00 | 24 | |
Piericidin A, like rotenone, is a potent inhibitor of Complex I in the mitochondrial electron transport chain. It binds to the same site as ubiquinone, obstructing electron transfer and thereby reducing the functional activity of NDUFB5, which is integral to Complex I's operation. | ||||||
Dimethyl malonate | 108-59-8 | sc-239778 sc-239778A | 250 ml 1 L | $50.00 $104.00 | 1 | |
Dimethyl malonate is a dicarboxylic acid that can act as a competitive inhibitor of succinate, thereby indirectly affecting Complex II. This can increase the reduction state of upstream Complex I components, leading to enhanced production of reactive oxygen species that can indirectly decrease the stability and activity of NDUFB5 by oxidative damage. | ||||||
Vitamin B1 | 59-43-8 | sc-338735 | 5 g | $611.00 | ||
Vitamin B1 is a barbiturate that can inhibit Complex I of the mitochondrial electron transport chain. By doing so, it impedes the normal activity of NDUFB5 by preventing electron transfer through this complex, leading to diminished energy production in the form of ATP. | ||||||
Carboxine | 5234-68-4 | sc-234286 | 250 mg | $21.00 | 1 | |
Carboxin is an inhibitor of succinate dehydrogenase (SDH, Complex II). Although it targets Complex II, its action indirectly increases the reduction pressure on Complex I, which may lead to diminished efficiency of NDUFB5 in electron transfer due to the interconnected nature of mitochondrial complexes. | ||||||
2-Thenoyltrifluoroacetone | 326-91-0 | sc-251801 | 5 g | $37.00 | 1 | |
Thenoyltrifluoroacetone (TTFA) is a Complex II inhibitor. It binds to the quinone binding site, indirectly increasing the reduction pressure on Complex I, where NDUFB5 operates. This increase in pressure can lead to suboptimal performance of NDUFB5 due to the interdependency of the electron transport chain complexes. | ||||||
Sodium azide | 26628-22-8 | sc-208393 sc-208393B sc-208393C sc-208393D sc-208393A | 25 g 250 g 1 kg 2.5 kg 100 g | $43.00 $155.00 $393.00 $862.00 $90.00 | 8 | |
Sodium azide inhibits Complex IV by binding to the heme cofactor in cytochrome c oxidase. This creates a back pressure on all the preceding complexes in the electron transport chain, including Complex I, which contains NDUFB5. This pressure can indirectly inhibit the activity of NDUFB5 by reducing its capacity to contribute to electron transfer. | ||||||
Antimycin A | 1397-94-0 | sc-202467 sc-202467A sc-202467B sc-202467C | 5 mg 10 mg 1 g 3 g | $55.00 $63.00 $1675.00 $4692.00 | 51 | |
Antimycin A is an inhibitor of Complex III that binds to the Qo site of cytochrome b and blocks electron transfer to cytochrome c1. This blockade can cause a buildup of reduced electron carriers that exert back pressure on Complex I, indirectly inhibiting NDUFB5 function by preventing its contribution to electron transport. | ||||||