PRB2 Inhibitors
Chemical inhibitors of PRB2 function through various mechanisms to impede its proteolytic activity. Chymostatin directly targets chymotrypsin-like proteases, and given PRB2's similarity to these enzymes, its activity can be inhibited, reducing its role in proteolytic processes. E-64 serves to irreversibly inhibit cysteine proteases; although PRB2 is not directly stated to be a cysteine protease, the reduction of related protease activities can decrease PRB2's functional capacity by altering the protease environment in which it operates. Similarly, Leupeptin, which inhibits both serine and cysteine proteases, can lead to a general decrease in protease activity, thereby diminishing PRB2's ability to interact with its substrates.
Moreover, while Pepstatin A specifically inhibits aspartic proteases and Phosphoramidon inhibits metalloproteases, their use can result in an overall reduction in proteolytic activity within the pathways PRB2 is involved in, which can have an indirect effect on its function. AEBSF and Aprotinin, both serine protease inhibitors, can impede the activation or function of PRB2 by reducing the activity of serine proteases required for its optimal function. Antipain also targets serine and cysteine proteases and, by doing so, can indirectly reduce PRB2's activity by limiting proteolytic processing. ALLN, which targets calpains and the proteasome, can diminish proteolytic cleavage within PRB2's pathway, potentially restricting its functional activity. Bestatin's inhibition of aminopeptidases can lead to reduced peptide cleavage necessary for PRB2's activity. Lastly, Lactacystin and MG-132, both proteasome inhibitors, can prevent the degradation of proteins that are part of the same pathway as PRB2, leading to an indirect reduction in PRB2's proteolytic activity.
SEE ALSO...
| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Chymostatin | 9076-44-2 | sc-202541 sc-202541A sc-202541B sc-202541C sc-202541D | 5 mg 10 mg 25 mg 50 mg 100 mg | $156.00 $260.00 $640.00 $1186.00 $2270.00 | 3 | |
Chymostatin specifically inhibits chymotrypsin-like proteases. Since PRB2 has proteolytic activity, the inhibition of related proteases can reduce the functional proteolytic environment in which PRB2 operates, thereby inhibiting its function. | ||||||
E-64 | 66701-25-5 | sc-201276 sc-201276A sc-201276B | 5 mg 25 mg 250 mg | $281.00 $947.00 $1574.00 | 14 | |
E-64 is an irreversible inhibitor of cysteine proteases. By inhibiting these proteases, E-64 can decrease the proteolytic processing of substrates within the same pathway as PRB2, potentially inhibiting PRB2's functional activity. | ||||||
Leupeptin hemisulfate | 103476-89-7 | sc-295358 sc-295358A sc-295358D sc-295358E sc-295358B sc-295358C | 5 mg 25 mg 50 mg 100 mg 500 mg 10 mg | $73.00 $148.00 $316.00 $499.00 $1427.00 $101.00 | 19 | |
Leupeptin is an inhibitor of serine and cysteine proteases. By inhibiting these classes of proteases, it can indirectly inhibit the proteolytic activity of PRB2 by reducing the overall protease activity within its operational pathways. | ||||||
Phosphoramidon | 119942-99-3 | sc-201283 sc-201283A | 5 mg 25 mg | $199.00 $632.00 | 8 | |
Phosphoramidon inhibits metalloproteases. By inhibiting metalloproteases that may interact with or activate PRB2, this can lead to an indirect inhibition of PRB2's proteolytic activity. | ||||||
AEBSF hydrochloride | 30827-99-7 | sc-202041 sc-202041A sc-202041B sc-202041C sc-202041D sc-202041E | 50 mg 100 mg 5 g 10 g 25 g 100 g | $65.00 $122.00 $428.00 $851.00 $1873.00 $4994.00 | 33 | |
AEBSF is a serine protease inhibitor. It can inhibit serine proteases that could be involved in the activation or function of PRB2, thereby indirectly inhibiting the activity of PRB2. | ||||||
Aprotinin | 9087-70-1 | sc-3595 sc-3595A sc-3595B | 10 mg 100 mg 1 g | $112.00 $408.00 $3000.00 | 51 | |
Aprotinin is a competitive inhibitor of several serine proteases. By inhibiting these proteases, it could reduce the proteolytic environment that PRB2 requires for its function, leading to indirect inhibition. | ||||||
Bestatin | 58970-76-6 | sc-202975 | 10 mg | $131.00 | 19 | |
Bestatin inhibits aminopeptidases. Although not a direct inhibitor of PRB2, by inhibiting aminopeptidases, it could reduce the cleavage of peptides that may be necessary for PRB2's activity, thus leading to indirect inhibition. | ||||||
Lactacystin | 133343-34-7 | sc-3575 sc-3575A | 200 µg 1 mg | $188.00 $575.00 | 60 | |
Lactacystin is a specific inhibitor of the proteasome. By inhibiting proteasomal degradation, it may lead to the accumulation of proteins that could otherwise be degraded to activate or work with PRB2, thereby indirectly inhibiting PRB2. | ||||||
MG-132 [Z-Leu- Leu-Leu-CHO] | 133407-82-6 | sc-201270 sc-201270A sc-201270B | 5 mg 25 mg 100 mg | $60.00 $265.00 $1000.00 | 163 | |
MG-132 is a proteasome inhibitor that can indirectly inhibit PRB2 by preventing the degradation of regulatory factors or substrates involved in the same pathway as PRB2, reducing its functional proteolytic activity. | ||||||