Ribosomal Protein S3A Activators
Ribosomal Protein S3A Activators are diverse compounds that indirectly stimulate the role of Ribosomal Protein S3A in the ribosome, particularly under conditions that challenge protein synthesis. Cycloheximide and Chloramphenicol exert their effects by interfering with the translocation and peptidyl transferase activities, respectively, leading to an increased requirement for Ribosomal Protein S3A in managing aberrant translation processes. Puromycin and Anisomycin, by mimicking aminoacyl-tRNA and inhibiting peptidyl transferase activity, respectively, create a greater dependency on Ribosomal Protein S3A for maintaining the fidelity of protein translation. Erythromycin and Sparsomycin, which bind to different siteson the ribosome and interfere with its function, necessitate the enhanced involvement of Ribosomal Protein S3A in quality control and ribosome-associated degradation pathways. Similarly, Homoharringtonine and Tunicamycin amplify the need for Ribosomal Protein S3A's activity due to their effects on peptide bond formation and N-linked glycosylation, respectively, which can lead to ribosomal stalling and unfolded protein stress.
The remaining compounds on the list also contribute to the heightened functional demand for Ribosomal Protein S3A under conditions where ribosomal activity is compromised. Ricin's direct inactivation of ribosomes, Pactamycin's inhibition of mRNA translation, Fusidic acid's freezing of the ribosome during protein synthesis, and Rapamycin's downregulation of cap-dependent protein synthesis each contribute to a cellular environment that requires Ribosomal Protein S3A to perform its critical role in ribosomal function and integrity. By doing so, these chemical activators indirectly ensure that Ribosomal Protein S3A is called upon to assist in the cellular response to translational stress, highlighting its importance in maintaining protein synthesis homeostasis.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Cycloheximide | 66-81-9 | sc-3508B sc-3508 sc-3508A | 100 mg 1 g 5 g | $41.00 $84.00 $275.00 | 127 | |
Cycloheximide binds to the E-site of the 60S ribosomal subunit, inhibiting the translocation step in protein synthesis, which would lead to an accumulation of incomplete polypeptides and potentially enhance the demand for Ribosomal Protein S3A's involvement in quality control and degradation processes. | ||||||
Chloramphenicol | 56-75-7 | sc-3594 | 25 g | $90.00 | 10 | |
Chloramphenicol acts by binding to the 50S ribosomal subunit and inhibiting peptidyl transferase activity. This inhibition would increase the need for Ribosomal Protein S3A's role in ribosome-associated quality control mechanisms. | ||||||
Puromycin | 53-79-2 | sc-205821 sc-205821A | 10 mg 25 mg | $166.00 $322.00 | 436 | |
Puromycin causes premature chain termination during translation by acting as an analog of the 3'-end of the aminoacyl-tRNA. The stress on protein synthesis could necessitate augmented activity of Ribosomal Protein S3A to maintain ribosome integrity and function. | ||||||
Erythromycin | 114-07-8 | sc-204742 sc-204742A sc-204742B sc-204742C | 5 g 25 g 100 g 1 kg | $57.00 $245.00 $831.00 $1331.00 | 4 | |
Erythromycin binds to the 50S ribosomal subunit, inhibiting translocation. The resulting stress on the ribosome may indirectly necessitate increased functional activity of Ribosomal Protein S3A to assist in the resolution of stalled polypeptides. | ||||||
Anisomycin | 22862-76-6 | sc-3524 sc-3524A | 5 mg 50 mg | $99.00 $259.00 | 36 | |
Anisomycin inhibits peptidyl transferase activity of the 60S ribosomal subunit. This action would indirectly increase the functional demands on Ribosomal Protein S3A to uphold the ribosome's structural and functional integrity. | ||||||
Homoharringtonine | 26833-87-4 | sc-202652 sc-202652A sc-202652B | 1 mg 5 mg 10 mg | $52.00 $125.00 $182.00 | 11 | |
Homoharringtonine inhibits protein synthesis by blocking the peptidyl transferase reaction on ribosomes. This inhibition likely enhances the requirement for Ribosomal Protein S3A in ribosomal surveillance and the resolution of defective ribosomal products. | ||||||
Tunicamycin | 11089-65-9 | sc-3506A sc-3506 | 5 mg 10 mg | $172.00 $305.00 | 66 | |
Tunicamycin inhibits N-linked glycosylation, which can cause ER stress and the unfolded protein response, indirectly enhancing the need for Ribosomal Protein S3A in managing misfolded protein turnover. | ||||||
Fusidic acid | 6990-06-3 | sc-215065 | 1 g | $292.00 | ||
Fusidic acid prevents the turnover of elongation factor G (EF-G) from the ribosome, effectively freezing the ribosome during protein synthesis, which might indirectly necessitate an increase in Ribosomal Protein S3A activity to address stalled ribosomes. | ||||||
Rapamycin | 53123-88-9 | sc-3504 sc-3504A sc-3504B | 1 mg 5 mg 25 mg | $63.00 $158.00 $326.00 | 233 | |
Rapamycin forms a complex with FKBP12 and binds to mTOR, inhibiting its activity, which can lead to downregulation of cap-dependent protein synthesis, indirectly increasing reliance on Ribosomal Protein S3A for managing ribosomal function under these conditions. | ||||||