poly 4 1 glu tyr peptide Peptide 1 - polaris-peptide Peptide Poly (4 1 Glu Tyr) 1Mg Poly 4:1 Glu Tyr Peptide: A Versatile Substrate in Kinase Research

pnc-27-peptide The poly 4:1 Glu Tyr peptide is a synthetic polypeptide that has emerged as a crucial tool in biochemical research, particularly in the study of protein tyrosine kinases (PTKs). Its specific composition, featuring a 4:1 ratio of glutamic acid (Glu) to tyrosine (Tyr), makes it an ideal and widely recognized universal substrate for protein tyrosine kinasesThis peptide isused in various assays to measure kinase activity, including fluorescence polarization. (FP) assays and tyrosine phosphatase assays. Product .... This random copolymer is designed to mimic natural substrates, allowing researchers to accurately measure the activity of various kinases in a controlled laboratory setting.

The significance of the poly 4:1 Glu Tyr peptide lies in its ability to be readily phosphorylated by PTKs. This phosphorylation event is a fundamental mechanism in cellular signaling, and by using this peptide substrate, scientists can investigate the intricate pathways regulated by these enzymes. The Poly-(Glu,Tyr 4:1) peptide is often supplied reconstituted in proprietary buffers, such as those offered by BPS Bioscience, ensuring consistency and reliability for experimental applications.

Researchers frequently utilize the poly 4:1 Glu Tyr peptide in a variety of assays. It is particularly valuable in various assays to measure kinase activity, including fluorescence polarization (FP) assays and tyrosine phosphatase assays. The ability to quantify the degree of phosphorylation on the tyrosine residues of this peptide provides direct insight into kinase enzymatic activity. For instance, the Active Poly (Glu, Tyr) peptide is specifically formulated for functional studies, with high purity (>95%) suitable for demanding applications like FuncS....Abcam 1MG Poly (4:1 Glu, Tyr) peptide. Brand: Abcam ab204877-1mg. Encompass. 1MG Poly (4:1 Glu, Tyr) peptide. Product Code. 16223708. £217.50 / 1mg.

The poly 4:1 Glu Tyr peptide exists in several forms, including the Poly(Glu, Tyr) sodium salt.Poly (4:1 Glu, Tyr) Peptide This salt form offers enhanced solubility and stability, making it convenient for stock solutions. The molecular weight of these polymers can vary, with common ranges cited between 20,000-50,000 Da or 5,000-20,000 Da, depending on the specific product and manufacturer. This variability in molecular weight does not typically impede its function as a substrate, as the critical factor remains the glutamic acid (Glu) and tyrosine (Tyr) at a ratio of 4:1.

Beyond its direct use as a substrate, the poly 4:1 Glu Tyr peptide also serves as a benchmark in kinase inhibitor studies. For example, it has been used to evaluate the inhibitory activity of compounds against specific kinasesCatalytic Specificity of Human Protein Tyrosine Kinases ... - PMC. In one study, a Glu-Tyr compound exhibited potent inhibitory activity against EGFR kinase, with IC50 values reported for both the poly(Glu:Tyr)4:1 substrate and other related peptides. This highlights its role in drug discovery and development, aiding in the identification of potential therapeutic agents.

Several commercial entities offer this vital research tool. Abcam 1MG Poly (4:1 Glu, Tyr) peptide is one such product, providing a specific quantity for laboratory use. Other suppliers like Tribioscience offer their own versions, such as the Tribioscience Poly (4:1 Glu, Tyr) Peptide (TBP0110), further underscoring its widespread adoptionBuy POLY(GLU, LYS, TYR) SODIUM SALT | 118539-64-3. The availability of Poly (4:1 Glu, Tyr) Peptide Substrate in various formats, including biotinylated versions like Poly (Glu-Tyr) Biotinylated Peptide, expands its utility in affinity-based assays and detection systems.

The poly 4:1 Glu Tyr peptide is not limited to just tyrosine kinase research. While its primary application involves protein tyrosine kinase(s), variations exist that incorporate other amino acids.POLY(GLU, ALA, TYR) SODIUM SALT - 楚肽生物科技 For example, poly-Glu:Ala:Tyr(1:1:1) or POLY(GLU, ALA, TYR) SODIUM SALT are related synthetic polymers that may be used to probe the specificity of different kinase families. However, the classic Poly (4:1 Glu, Tyr) Peptide remains the gold standard for general tyrosine kinase activity assessment.

The scientific literature extensively documents the use of this peptide. Studies have investigated the modulation of kinase activity by various proteins using the poly(Glu,Tyr)4:1 as a substrate, demonstrating that factors like albumin can have no effect on phosphorylation, while others might influence kinase performancePoly(Glu, Tyr) sodium salt· Glu:Tyr (4:1), mol wt 5,000-20,000 · P7244-25MG · Properties · Compare Similar Items · Description · Safety Information · Documentation.. Furthermore, the poly 4:1 Glu Tyr peptide has been implicated in research related to neuroprotection, with patents exploring its potential for preventing or inhibiting neuronal degeneration.

In summary, the poly 4:1 Glu Tyr peptide is an indispensable reagent in molecular biology and biochemistryPoly(Glu,Tyr) (poly(Glu,Tyr) 4:1 random copolymer)is used as a substrate for the evaluation of protein tyrosine kinase(s). Poly(Glu,Tyr) 4:1 is a polyamino .... Its well-defined structure and function as a universal substrate for protein tyrosine kinases facilitate critical research into cellular signaling, disease mechanisms, and therapeutic interventions. Whether referred to as poly, Glu, Tyr, 4:1, or simply as a peptide, this synthetic polymer plays a pivotal role in advancing our understanding of kinase biology. The availability of specific products like Peptide Poly (4 1 Glu Tyr) 1Mg ensures accessibility for researchers worldwide2023年8月15日—Poly(Glu, Lys, Tyr) sodium salt, particularly the 4:1 Glu:Tyr ratio version,serves as a valuable substrate for studying PTKs[ , ]. The ....