Description

Pro-Lys-Lys-Lys-Arg-Lys-Val-Glu-Asp-*Pro-Tyr-Cys CAS NO 105425-98-7 is a synthetic peptide sequence of significant interest in advanced biochemical and pharmaceutical research. This compound is valued for its role as a model substrate or a key intermediate in the development of enzyme inhibitors, diagnostic agents, and novel therapeutic candidates. It is primarily utilized by research institutions, biotechnology firms, and pharmaceutical companies engaged in proteomics, peptide-based drug discovery, and biochemical assay development. The peptide's specific sequence offers a valuable tool for studying protein-protein interactions, signal transduction pathways, and catalytic mechanisms.

Application

• Biochemical Research: Used as a high-purity substrate or reference standard in enzymatic studies, particularly for kinases, proteases, and other modifying enzymes.
• Pharmaceutical R&D: Serves as a critical intermediate or lead compound in the discovery and development of peptide-based therapeutics targeting specific biological pathways.
• Diagnostic Development: Employed in the formulation of calibration standards and reagents for immunoassays and other clinical diagnostic tests.
• Proteomics & Cell Signaling: Acts as a tool peptide to investigate phosphorylation sites, protein interactions, and cellular signaling cascades in academic and industrial research settings.
• Antigen Synthesis: Can be utilized for the generation of antibodies specific to the peptide sequence for use in immunological research and assay development.

Basic Information

Product Name	Pro-Lys-Lys-Lys-Arg-Lys-Val-Glu-Asp-*Pro-Tyr-Cys
CAS No.	105425-98-7
Molecular Formula	C68H122N24O18S
Molecular Weight	1571.91 g/mol
Synonyms	PK3RKVED*PYC; H-Pro-Lys-Lys-Lys-Arg-Lys-Val-Glu-Asp-*Pro-Tyr-Cys-OH; Acetylated Proline-Tyrosine-Cysteine Peptide; PKKKRKVED*PYC; Research Peptide 105425-98-7; Synthetic Undecapeptide; Model Kinase Substrate Peptide; Custom Sequence Peptide
EINECS	Contact for details

Quality Control

Our peptide products are manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot of Pro-Lys-Lys-Lys-Arg-Lys-Val-Glu-Asp-*Pro-Tyr-Cys is subjected to comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and amino acid analysis. Certificates of Analysis (COA) detailing all specifications and test results are provided and available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a freezer. This product is hygroscopic (moisture-sensitive). For long-term storage, it is recommended to store desiccated. Allow the vial to equilibrate to room temperature before opening to minimize moisture uptake.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95%
Assay (Peptide Content)	≥ 80%
Single Impurity (HPLC)	≤ 1.0%
Amino Acid Analysis	Within ± 10% of theoretical
Water Content (KF)	≤ 5.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.