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描述 | MRTX1133 is a noncovalent, potent, and selective inhibitor targeting KRAS G12D. It occupies the switch II pocket optimally and extends three substituents to facilitate favorable interactions with the protein, resulting in an estimated KD against KRAS G12D of 0.2 pM. MRTX1133 blocks SOS1-catalyzed nucleotide exchange and/or the formation of the KRAS G12D/GTP/RAF1 complex, thereby impeding mutant KRAS-dependent signal transduction. It selectively inhibits KRAS G12D mutant tumor cells while sparing KRAS wild-type cells. MRTX1133 exhibits single-digit nanomolar activity in cellular assays and demonstrates significant efficacy in tumor models with KRAS G12D mutations[1][2]. |
体内研究 | MRTX1133 demonstrates efficacy in a xenograft mouse tumor model harboring the KRAS G12D mutation[1]. |
体外研究 | MRTX1133 inhibits ERK phosphorylation in the AGS cell line, with an IC50 ranging from 1-10 nM (AsPC-1, Panc 04.03, Panc 02.03, SW1990, GP2D, Suit2, A427, SNU1033, and HPAC cells). In a 2D viability assay, MRTX1133 exhibits an IC50 of 6 nM against AGS cells (KRAS G12D), while showing over 500-fold selectivity against MKN1, a cell line dependent on KRAS for growth and survival due to wild-type KRAS amplification[1]. |
计算器 | ||||
存储液制备 | 1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
1.66mL 0.33mL 0.17mL |
8.32mL 1.66mL 0.83mL |
16.65mL 3.33mL 1.66mL |
CAS号 | 2621928-55-8 |
分子式 | C33H31F3N6O2 |
分子量 | 600.634 |
别名 | |
运输 | 蓝冰 |
存储条件 |
液体 -20°C:3-6个月-80°C:12个月 粉末 Keep in dark place,Sealed in dry,2-8°C |
溶解度 |
DMSO: 50 mg/mL(83.25 mM),配合低频超声助溶,注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO |
动物实验配方 |