YKL-5-124 TFA 是一种有效的、选择性不可逆 CDK7 共价抑制剂，对 CDK7 和 CDK7/Mat1/CycH 的 IC₅₀ 分别为 53.5 nM 和 9.7 nM。YKL-5-124 TFA 对 CDK7 的选择性比 CDK9 和 CDK2 高 100 倍以上，并且对 CDK12 和 CDK13 没有活性。YKL-5-124 TFA 诱导强烈的细胞周期停滞，并抑制 E2F 驱动的基因表达，并且对 RNA 聚合酶 II 磷酸化状态几乎没有影响

YKL-5-124 TFA is a potent, selective, irreversible and covalent CDK7 inhibitor with IC 50 s of 53.5 nM and 9.7 nM for CDK7 and CDK7/Mat1/CycH, respectively. YKL-5-124 TFA is >100-fold greater selective for CDK7 than CDK9 and CDK2, and inactive against CDK12 and CDK13. YKL-5-124 TFA induces a strong cell-cycle arrest, inhibits E2F-driven gene expression, and exhibits little effect on RNA polymerase II phosphorylation status.

Solid

CDK7 53.5 nM (IC50) CDK7/Mat1/CycH 9.7 nM

YKL-5-124 (0-2000 nM; 72 hours; HAP1 cells) treatment causes a dose-dependent increase in G1- and G2/M-phase cells and a corresponding loss of S-phase cells.
YKL-5-124 (0-2000 nM; 24 hours; HAP1 WT cells) treatment inhibits CDK1 T-loop phosphorylation, and to a lesser extent CDK2 T-loop phosphorylation in a concentration-dependent fashion.
Treatment of cells with YKL-5-124 as a competitor at a concentration of about 30 nM blocks pull-down of CDK7-cyclin H but has no effect on the pull-down of cyclin K-CDK12/13 in HAP1 cells. Treatment with 100 nM YKL-5-124 reduces CDK7-cyclin H binding to bioTHZ1 by >50% at 30 min. has not independently confirmed the accuracy of these methods. They are for reference only.

Room temperature in continental US; may vary elsewhere.

4°C, sealed storage, away from moistur In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

[1]. Olson CM, et al. Development of a Selective CDK7 Covalent Inhibitor Reveals Predominant Cell-Cycle Phenotype. Cell Chem Biol. 2019 Jun 20;26(6):792-803.e10.

In Vitro: DMSO : ≥ 100 mg/mL (158.82 mM)H₂O : 50 mg/mL (79.41 mM; Need ultrasonic)