NSC-632839
Modify Date: 2024-01-20 11:42:22
NSC-632839 structure
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Common Name | NSC-632839 | ||
|---|---|---|---|---|
| CAS Number | 157654-67-6 | Molecular Weight | 339.858 | |
| Density | N/A | Boiling Point | 522.7ºC at 760 mmHg | |
| Molecular Formula | C21H22ClNO | Melting Point | N/A | |
| MSDS | Chinese USA | Flash Point | 184ºC | |
| Symbol |
GHS07 |
Signal Word | Warning | |
Use of NSC-632839NSC632839 is a nonselective isopeptidase inhibitor, which inhibits USP2, USP7, and SENP2 with EC50s of 45±4 μM, 37±1 μM, and 9.8±1.8 μM, respectively. |
| Name | (3E,5E)-3,5-bis[(4-methylphenyl)methylidene]piperidin-4-one,hydrochloride |
|---|---|
| Synonym | More Synonyms |
| Description | NSC632839 is a nonselective isopeptidase inhibitor, which inhibits USP2, USP7, and SENP2 with EC50s of 45±4 μM, 37±1 μM, and 9.8±1.8 μM, respectively. |
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| Related Catalog | |
| Target |
EC50: 45±4 μM (USP2), 37±1 μM (USP7), 9.8±1.8 μM (SENP2)[1] |
| In Vitro | NSC 632839 inhibits ubiquitin isopeptidases as illustrated by its ability to inhibit z-LRGG-AMC cleavage by crude lysates in the mid-micromolar range. To further characterize NSC 632839 against purified enzymes, its inhibitory potential is determined against purified USP2, USP7, and SENP2 and demonstrated that NSC 632839 is not only a DUB inhibitor, but also a deSUMOylase inhibitor. Specifically, NSC 632839 inhibits USP2, USP7, and SENP2 with EC50 values of 45±4 μM, 37±1 μM, and 9.8±1.8 μM, respectively. Importantly, NSC 632839 does not inhibit the reporter enzyme PLA2 over the concentration range tested (1.2-150 μM), indicating that the reported inhibition is selective for isopeptidases. Moreover, the isopeptidase inhibitory activity of NSC 632839 is confirmed by the observation that it does not inhibit free PLA2 over the concentration range tested[1]. |
| Kinase Assay | In a 96-well-plate, 40 nM USP2, 40 nM USP7, or 20 nM SENP2 is preincubated with a concentration range of NSC 632839 (NCI/NIH developmental therapeutics program) or control for 30 min before supplementation with an equal volume of 60 nM Ub-PLA2/40 μM NBD C6-HPC (USP2 or 7) or 20 nM SUMO3-PLA2/40 μM NBD C6-HPC (SENP2). Relative activity of the enzymes is determined by measuring the RFU values at single time points within the initial linear range (USP, 50 min; USP7, 50 min; and SENP2, 30 min). The RFU values within the initial linear range are normalized such that isopeptidase+vehicle=0% inhibition and isopeptidase+NEM=100% inhibition. The EC50 values are determined as above. The inhibitory activity of the test compound against the reporter enzyme PLA2 is performed as described above except there is no preincubation step and the data are normalized such that free PLA2+vehicle=0% inhibition and free PLA2+EDTA=100% inhibition. PLA2 activity is determined 8 min after the addition of the reagents[1]. |
| References |
| Boiling Point | 522.7ºC at 760 mmHg |
|---|---|
| Molecular Formula | C21H22ClNO |
| Molecular Weight | 339.858 |
| Flash Point | 184ºC |
| Exact Mass | 339.138977 |
| PSA | 29.10000 |
| LogP | 5.07350 |
| Vapour Pressure | 5.05E-11mmHg at 25°C |
| Storage condition | -20℃ |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H319 |
| Precautionary Statements | P305 + P351 + P338 |
| RIDADR | UN 3077 9 / PGIII |
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| NSC632839 |