| Cas No.: | 2645-32-1 |
| Chemical Name: | PR 619; PR619 |
| Synonyms: | PR 619; PR619 |
| SMILES: | C1=C(C(=NC(=C1SC#N)N)N)SC#N |
| Formula: | C7H5N5S2 |
| M.Wt: | 223.28 |
| Sotrage: | 2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO |
| Description: | PR-619 is a broad-range DUB inhibitor with EC50 of 3.93, 4.9, 6.86, 7.2, and 8.61 μM for USP4, USP8, USP7, USP2, and USP5, respectively. |
| In Vitro: | PR-619, a deubiquitylase inhibitor, prevents degradation, indicating KCa3.1 is targeted for degradation by ubiquitylation. In PR-619 treated cells, channel degradation is significantly inhibited with 87±1% of KCa3.1 still remaining after 24 hrs (n=3; P<0.05)[2]. Cell viability is determined by MTT assay and revealed that PR-619 exerted concentration-dependent cytotoxicity in a very narrow concentration range of 7-10 μM[3]. |

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