In the specialized field of biochemical research, the cyclic RGDfK peptide has emerged as a cornerstone for those investigating cellular interactions. As a dedicated enthusiast of peptide research, I have spent significant time examining the molecular architecture of this compound. Its unique configuration, often identified by the chemical formula $C Cyclo(RGDfK) |CAS:161552-03-0 Probechem Biochemicals _{27}H_{41}N_9O_7$ and a molecular weight of 603.7 g/mol, provides a fascina RGD peptide in cancer targeting: Benefits, challenges, solutions, and ting look into the precision of synthetic chemistry.
Molecular Precision and Characteristics
The cyclic RGDfK is not merely a sequence; it is a meticulously engineered molecule. Known in laboratory settings as cyclo(Arg-Gly-Asp-D-Phe-Lys), it contains an Arg-Gly-Asp (RGD) sequence that is essential for its biological activity. My observations in reviewing high-purity samples—often exceeding 98% or 99% HPLC purity—confirm that the stability of this cyclic peptide is largely due to its rigid ring structure.
When discussing the chemical structure of the synthetic cyclic RGD peptide c(RGDfK), it is vital to note how the D-phenylalanine (f) and lysine (K) residues contribute to its selective binding properties. Cyclo(-RGDfK) is a cyclic peptide that demonstrates exceptional binding affinity, which makes it a preferred tool for researchers exploring receptor-ligand dynamics.
Research Applications and Integrin Binding
One of the most compelling aspects of this compound is that it is a well-validat 作者：H Kulhari·2015·被引用次数：69—We report the synthesis ofcRGDfK peptide-conjugated succinoyl-TPGS(tocopheryl polyethylene glycol succinate) nanomicelles for targeted delivery of DTX. ed ligand for targeting active to integrin αvβ3. In my experience with various biochemical assays, the precision with which this molecule interacts with specific cell surfaces is remarkable.
* αvβ3 Integrin Inh Cyclo(-RGDfK) | αvβ3 Integrin Inhibitor ibition: Cyclo(-RGDfK) is a potent and selective inhibitor of the αvβ3 integrin, often showing IC50 values as low as 0.94 nM.
* Targeted Delivery: The versatility of the molecule is evident in studies where cRGDfK peptide-conjugated succinoyl-TPGS nanomicelles have been utilized, showcasing how researchers leverage its targeting capabilities.
* Cellular Interaction: Cyclo(-RGDfK) potently targets tumor microvasculature and cancer cells under controlled experimental conditions, primarily through its specific binding affinity.
Comparative Insights
While Cyclo(-RGDfK) remains a primary focus, there are variations such as Cyclo(-RGDfC), which serves as another high-purity integrin-binding peptide. Whether one is utilizing cyclic RGDfK or exploring the broader category of cyclic RGD peptide (cRGD), the fundamental goal remains the same: understanding how these synthetic 作者：G Mondal·2013·被引用次数：57—The cyclic (arginine–glycine–aspartic acid–phenylalanine–lysine) (c(RGDfK))is a well-validated ligand for targeting active to integrin αvβ3[12,13], which is molecules mimic natural binding motifs.
It is also worth noting that Cyclo(RGDfK) is a synthetic lipopeptide inhibitor of αvβ3 integrin, a designation that highlights its utility in complex biochemical environments. Researchers frequently cite that it effectively targets tumor microvessels and cancer cells, making it a staple in advanced laboratory protocols.
Concluding Observations
As someone deeply interested in the evolution of peptide tools, I find that the Cyclic RGDFK peptide continues to offer reliable performance in qualitative studies. Whether it is identified as a cyclic RGD tumor-targeting peptide or simply a RGD peptide, its role in modern research is undeniable. The reproducibility of results—provid The relationship between the cyclic-RGDfK ligand and ed the compound is sourced with high purity—is a testament to the rigorous standards now applied to the synthesis of these cyclic peptides.
By maintaining a focus on the structural integrity and the specific binding Cyclo ( - RGDfK) kinetics of RGDfK, researchers can continue to push the boundaries of what is possible in biochemical investigation, ensuring that every experiment is grounded in verifiable, high-quality data.