3MB-PP1 is widely used in biochemical research as a selective inhibitor of engineered kinases. It is particularly valuable in studies involving analog-sensitive kinase alleles, where it helps to precisely control and study kinase activity in cellular processes. This compound is instrumental in understanding signal transduction pathways, cell cycle regulation, and other kinase-dependent mechanisms. Its specificity allows researchers to dissect the roles of individual kinases in complex biological systems, making it a crucial tool in drug discovery and functional genomics.