| Identification | Back Directory | [Name]
PyridiniuM, 2-[[3-ethyl-5-(3-Methyl-2(3H)-benzothiazolylidene)-4-oxo-2-thiazolidinylidene]Methyl]-1-Methyl-, chloride (1:1) | [CAS]
409086-68-6 | [Synonyms]
YM-01
YM-01 (YM-1)
YM-01 (YM-1), allosteric Hsp70 modulator
2-[[3-Ethyl-5-(3-methyl-2(3H)-benzothiazolylidene)-4-oxo-2-thiazolidinylidene]methyl]-1-methyl-pyridinium chloride
2-((3-Ethyl-5-(3-methylbenzo[d]thiazol-2(3H)-ylidene)-4-oxothiazolidin-2-ylidene)methyl)-1-methylpyridin-1-ium chloride
PyridiniuM, 2-[[3-ethyl-5-(3-Methyl-2(3H)-benzothiazolylidene)-4-oxo-2-thiazolidinylidene]Methyl]-1-Methyl-, chloride (1
PyridiniuM, 2-[[3-ethyl-5-(3-Methyl-2(3H)-benzothiazolylidene)-4-oxo-2-thiazolidinylidene]Methyl]-1-Methyl-, chloride (1:1) | [Molecular Formula]
C20H20ClN3OS2 | [MDL Number]
MFCD28009511 | [MOL File]
409086-68-6.mol | [Molecular Weight]
417.97 |
| Chemical Properties | Back Directory | [storage temp. ]
2-8°C | [solubility ]
H2O: soluble2mg/mL, clear (warmed) | [form ]
powder | [color ]
orange to dark red | [Water Solubility ]
H2O: 2mg/mL, clear (warmed) |
| Hazard Information | Back Directory | [Uses]
YM-1 has been used as a Hsp70 (heat shock protein) inhibitor in cell viability assay. | [Biochem/physiol Actions]
YM-1 modulates Hsp70 activity by binding to the nucleotide-binding domain of ADP- but not ATP-bound Hsp70, stabilizing Hsp70 in its ADP-bound conformation. The ADP-bound state has tight affinity for its substrates, promoting their ubiquitination and degradation, and a greatly reduced off rate compared to the ATP-bound state. YM-1 appears to behave in a similar manner to Hip, a Hsp70 co-chaperone that stabilizes Hsp70 in its ADP-bound conformation which favors degradation of misfolded substrates such as those involved in various neurodegenerative diseases. YM-1 also has anticancer activity, which could be due to enhanced ubiquitination and clearance of Akt, a major survival kinase. In studies with multiple cancer lines, YM-1 was found to selectively target cancer cells over normal cells and to overcome tamoxifen resistance in a tamoxifen-resistant MCF7 cell model. YM-1 had greater efficacy and cytosolic localization than the closely related MKT-077 (M5449). |
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