RAb 19B Inhibitors
RAb 19B inhibitors are a class of chemical compounds that function primarily by modulating the activity of the RAb 19B protein, a member of the larger Rab GTPase family. These small GTPases are key regulators of intracellular vesicle trafficking, which includes the transport, sorting, and delivery of proteins and lipids within the cell. RAb 19B, specifically, plays a significant role in endocytic and exocytic processes, and its activity is controlled through the conversion between active GTP-bound and inactive GDP-bound states. Inhibitors of RAb 19B are designed to interfere with its function by either preventing the binding of GTP, disrupting the protein's interaction with its effectors, or altering its localization within the cell. These inhibitors may take on diverse chemical structures, but they generally share functional motifs that allow them to specifically target and modulate the active site or regulatory domains of RAb 19B.
The mechanisms of RAb 19B inhibitors are varied and can include competitive binding to the nucleotide-binding site, allosteric modulation of conformational states, or disruption of protein-protein interactions necessary for RAb 19B's activity. Structural studies of these inhibitors often reveal the importance of specific interactions between the inhibitor and key residues of RAb 19B, which are essential for specificity and potency. Understanding the binding kinetics and structural features of these compounds provides insights into their capacity to modulate the biological pathways governed by RAb 19B. As a chemical class, RAb 19B inhibitors serve as valuable tools for dissecting the cellular processes involving vesicular transport and offer opportunities to explore the molecular details of GTPase function.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Lovastatin | 75330-75-5 | sc-200850 sc-200850A sc-200850B | 5 mg 25 mg 100 mg | $29.00 $90.00 $339.00 | 12 | |
Statins inhibit HMG-CoA reductase, a key enzyme in the mevalonate pathway. This can lead to reduced prenylation of proteins, which can affect the membrane attachment and function of Rab proteins. | ||||||
Geldanamycin | 30562-34-6 | sc-200617B sc-200617C sc-200617 sc-200617A | 100 µg 500 µg 1 mg 5 mg | $39.00 $59.00 $104.00 $206.00 | 8 | |
Geldanamycin inhibits Hsp90, a chaperone protein. Hsp90 is involved in the correct folding of many client proteins, including some involved in Rab pathways. Its inhibition might indirectly influence Rab protein function or expression. | ||||||
Tipifarnib | 192185-72-1 | sc-364637 | 10 mg | $720.00 | ||
Tipifarnib blocks the addition of farnesyl groups to proteins, affecting their localization and activity. This can indirectly influence certain Rab proteins that require farnesylation for proper function. | ||||||
Nocodazole | 31430-18-9 | sc-3518B sc-3518 sc-3518C sc-3518A | 5 mg 10 mg 25 mg 50 mg | $59.00 $85.00 $143.00 $247.00 | 38 | |
Nocodazole disrupts microtubule dynamics. Given that some Rab proteins are involved in vesicular trafficking along microtubules, nocodazole can indirectly affect their function. | ||||||
Brefeldin A | 20350-15-6 | sc-200861C sc-200861 sc-200861A sc-200861B | 1 mg 5 mg 25 mg 100 mg | $31.00 $53.00 $124.00 $374.00 | 25 | |
Brefeldin A inhibits protein trafficking between the ER and Golgi apparatus. Since some Rab proteins function in these pathways, brefeldin A can impact their roles in trafficking. | ||||||
Dynamin Inhibitor I, Dynasore | 304448-55-3 | sc-202592 | 10 mg | $89.00 | 44 | |
Dynasore inhibits dynamin, a GTPase involved in vesicle formation. Rab proteins work in conjunction with dynamins in some cellular contexts, so its inhibition may affect certain Rab functions. | ||||||
Neomycin sulfate | 1405-10-3 | sc-3573 sc-3573A | 1 g 5 g | $27.00 $35.00 | 20 | |
Neomycin, an aminoglycoside antibiotic, has been shown to inhibit certain phospholipase C isoforms. As phospholipase C can be upstream of some Rab activation, it might affect Rab functionality indirectly. | ||||||
U 18666A | 3039-71-2 | sc-203306 sc-203306A | 10 mg 50 mg | $143.00 $510.00 | 2 | |
U18666A disrupts cholesterol transport and can cause an accumulation in endosomal/lysosomal compartments. This can potentially affect the trafficking roles of some Rab proteins. | ||||||
Latrunculin A, Latrunculia magnifica | 76343-93-6 | sc-202691 sc-202691B | 100 µg 500 µg | $265.00 $815.00 | 36 | |
Latrunculin A binds to actin monomers and prevents their polymerization. Given that actin dynamics are involved in vesicular trafficking and fusion, this can indirectly affect the function of certain Rab proteins. | ||||||
Wortmannin | 19545-26-7 | sc-3505 sc-3505A sc-3505B | 1 mg 5 mg 20 mg | $67.00 $223.00 $425.00 | 97 | |
Wortmannin is a potent PI3 kinase inhibitor. PI3 kinases are involved in multiple cellular signaling pathways, some of which intersect with Rab protein function. | ||||||