RI-1, ≥99%
Product Name： RI-1
别名:RAD51 inhibitor 1;1H-Pyrrole-2,5-dione, 3-chloro-1-(3,4-dichlorophenyl)-4-(4-morpholinyl)-
CAS号:415713-60-9
分子式:C14H11Cl3N2O3
分子量:361.61
贮存： 储存温度-20°C
可溶性：
DMSO 50 mg/mL
Water <1 mg/mL
Ethanol <1 mg/mL
生化和生理学机理：
RI-1, a small molecule that inhibits the central recombination protein RAD51. RI-1 specifically reduces gene conversion in human cells while stimulating single strand annealing. RI-1 binds covalently to the surface of RAD51 protein at cysteine 319 that likely destabilizes an interface used by RAD51 monomers to oligomerize into filaments on DNA. Correspondingly, the molecule inhibits the formation of subnuclear RAD51 foci in cells following DNA damage, while leaving replication protein A focus formation unaffected. Finally, it potentiates the lethal effects of a DNA cross-linking drug in human cells. Given that this inhibitory activity is seen in multiple human tumor cell lines, RI-1 holds promise as an oncologic drug. Furthermore, RI-1 represents a unique tool to dissect the network of reaction pathways that contribute to DNA repair in cells.
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