RMND5A, Required for Meiotic Nuclear Division 5 Homolog A, is a multifaceted protein that significantly influences cellular ubiquitination processes, with profound implications for protein homeostasis, cell cycle control, and meiotic division. As an integral component of the Cullin-RING ubiquitin ligase complexes, RMND5A orchestrates the selective ubiquitination of target proteins, marking them for proteasomal degradation. This activity is vital for the regulation of protein levels within the cell, ensuring the removal of misfolded, damaged, or surplus proteins that could otherwise disrupt cellular functions. Moreover, RMND5A's role extends beyond protein degradation to encompass regulation of signaling pathways critical for cell proliferation, differentiation, and stress response. By modulating the ubiquitination and subsequent degradation of key signaling molecules, RMND5A indirectly influences various cellular processes, underscoring its significance in maintaining cellular integrity and responding to physiological challenges.
The activation of RMND5A involves a series of complex regulatory mechanisms that ensure its precise and timely action in response to cellular needs. At the transcriptional level, the expression of RMND5A can be modulated by specific transcription factors that respond to cellular cues, thereby integrating RMND5A activity into broader cellular signaling networks. Post-translational modifications, such as phosphorylation or ubiquitination, serve as additional layers of regulation, altering RMND5A's activity, stability, or interactions with other proteins within the ubiquitin-proteasome system. These modifications can enhance or inhibit RMND5A's ubiquitin ligase activity, enabling dynamic regulation of its function in accordance with changing cellular conditions. Furthermore, RMND5A's interaction with cofactors and substrate specificity factors within the Cullin-RING ligase complexes can be modulated, adjusting the scope and specificity of its ubiquitination targets. Collectively, these mechanisms of activation facilitate the tight control of RMND5A's function, enabling it to effectively contribute to cellular homeostasis, respond to stress, and ensure the proper execution of cell cycle events, particularly those associated with meiotic division.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Bisindolylmaleimide I (GF 109203X) | 133052-90-1 | sc-24003A sc-24003 | 1 mg 5 mg | $105.00 $242.00 | 36 | |
Bisindolylmaleimide I is a potent and selective inhibitor of protein kinase C (PKC). RMND5A, with a reported interaction with PKC, can have its function enhanced when PKC activity is inhibited, potentially increasing the ubiquitination process in which RMND5A is involved. | ||||||
Staurosporine | 62996-74-1 | sc-3510 sc-3510A sc-3510B | 100 µg 1 mg 5 mg | $82.00 $153.00 $396.00 | 113 | |
Staurosporine is a potent inhibitor of protein kinases, including PKC. Given the interaction between RMND5A and PKC, inhibition of PKC by Staurosporine can enhance the activity of RMND5A, potentially leading to an increase in ubiquitination processes. | ||||||
Okadaic Acid | 78111-17-8 | sc-3513 sc-3513A sc-3513B | 25 µg 100 µg 1 mg | $291.00 $530.00 $1800.00 | 78 | |
Okadaic Acid is a potent inhibitor of protein phosphatases 1 (PP1) and 2A (PP2A). Inhibition of these phosphatases can enhance the phosphorylation state of proteins, indirectly leading to the activation of RMND5A and enhancing its ubiquitination role. | ||||||
Calyculin A | 101932-71-2 | sc-24000 sc-24000A | 10 µg 100 µg | $163.00 $800.00 | 59 | |
Calyculin A is a potent inhibitor of protein phosphatases 1 and 2A. Similar to Okadaic Acid, the inhibition of these phosphatases can indirectly lead to the activation of RMND5A by maintaining the phosphorylated state of proteins and enhancing the ubiquitination process. | ||||||
Epoxomicin | 134381-21-8 | sc-201298C sc-201298 sc-201298A sc-201298B | 50 µg 100 µg 250 µg 500 µg | $137.00 $219.00 $449.00 $506.00 | 19 | |
Epoxomicin is a potent, selective, and irreversible proteasome inhibitor. Similar to MG132, by inhibiting the proteasome, Epoxomicin can indirectly enhance the activity of RMND5A, possibly increasing its ubiquitination role. | ||||||
LY 294002 | 154447-36-6 | sc-201426 sc-201426A | 5 mg 25 mg | $123.00 $400.00 | 148 | |
LY294002 is a PI3K inhibitor. By inhibiting PI3K, which is a key regulator of cell growth and protein synthesis, it can indirectly enhance the function of RMND5A, which is directly involved in protein ubiquitination. | ||||||
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 and irreversible inhibitor of PI3K. This action can indirectly enhance the function of RMND5A, which is directly involved in ubiquitination processes. | ||||||
Ionomycin, free acid | 56092-81-0 | sc-263405 sc-263405A | 1 mg 5 mg | $96.00 $264.00 | 2 | |
Ionomycin is a calcium ionophore that can increase intracellular calcium levels. This elevation in calcium may activate calmodulin-dependent kinases which could indirectly enhance the activation of RMND5A and its role in ubiquitination processes. | ||||||
A23187 | 52665-69-7 | sc-3591 sc-3591B sc-3591A sc-3591C | 1 mg 5 mg 10 mg 25 mg | $55.00 $131.00 $203.00 $317.00 | 23 | |
A23187 is a mobile ion-carrier that forms a complex with divalent cations. By elevating intracellular calcium levels, it could activate calmodulin-dependent kinases, leading to indirect enhancement of RMND5A activity and its ubiquitination role. | ||||||
Thapsigargin | 67526-95-8 | sc-24017 sc-24017A | 1 mg 5 mg | $136.00 $446.00 | 114 | |
Thapsigargin is a non-competitive inhibitor of the sarco/endoplasmic reticulum Ca2+ ATPase (SERCA), leading to an increase in cytosolic calcium concentration. This action could indirectly activate RMND5A through the activation of calmodulin-dependent kinases and enhance its ubiquitination processes. | ||||||