XY028-133 is a VHL-based PROTAC degrader targeting CDK4 and CDK6. Public product information identifies it as a CDK4/6 degrader composed of a CDK ligand and a von Hippel-Lindau ligand, but does not fully disclose detailed kinase pocket contacts or ternary-complex structural features. In PROTAC design, the CDK-binding moiety recognizes the cyclin-dependent kinase target, the linker defines spatial arrangement, and the VHL ligand recruits the VHL E3 ligase complex for ubiquitin transfer. Its main mechanism is induced proximity followed by CDK4/CDK6 ubiquitination and proteasomal degradation, allowing functional investigation of kinase protein removal rather than catalytic inhibition alone. XY028-133 is valuable for research on cell-cycle control, RB pathway regulation, VHL-based CDK degrader design, degradation selectivity across CDK-family members, and comparison of VHL recruitment with cereblon-mediated CDK4/CDK6 degradation strategies.
Structure of 2229974-73-4
* For research and manufacturing use only. Not for human or clinical use.
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Target: XY028-133 targets cyclin-dependent kinases CDK4 and CDK6 for degradation.
Binding site: Its CDK-recognition ligand binds the ATP-competitive catalytic sites of CDK4/6.
Mechanism of action: XY028-133 is a VHL-based CDK4/6 PROTAC composed of a CDK ligand connected to a von Hippel-Lindau E3 ligase ligand. By simultaneously engaging CDK4 or CDK6 and VHL, XY028-133 is designed to promote ternary-complex formation, ubiquitin transfer, and proteasome-dependent degradation of the cell-cycle kinases. This mechanism enables experimental evaluation of CDK4/6 protein depletion rather than reversible enzymatic inhibition alone. XY028-133 is suitable for studies of RB pathway control, kinase paralog redundancy, degradation selectivity, and cellular consequences of sustained CDK4/6 removal.
Applications• PROTAC-Mediated Targeted Degradation: XY028-133 is instrumental in facilitating the targeted degradation of disease-relevant proteins, offering a novel approach to studying protein function and regulation. Researchers can leverage this product to dissect complex biological pathways and investigate the impact of protein loss on cellular processes.
• Investigating Protein-Protein Interactions: Utilizing XY028-133 in research allows for the exploration of protein-protein interactions by selectively degrading one protein component. This approach aids in understanding the dynamic roles of proteins within various signaling cascades and their contribution to cellular homeostasis.
• Protein Degradation Mechanism Studies: XY028-133 serves as a valuable tool for elucidating the mechanisms underpinning PROTAC-mediated protein degradation. By examining the degradation kinetics and specificity, researchers can gain insights into the efficiency and selectivity of this innovative therapeutic strategy.
• Advancing Drug Discovery: The application of XY028-133 in drug discovery research enables the identification of novel therapeutic targets through the precise degradation of proteins implicated in disease. This product supports the development of next-generation therapeutics by validating target proteins and understanding their biological significance.
* Our calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2
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