Description

Lysyl-Aspartyl-Glutamyl-Leucine is a high-purity synthetic tetrapeptide composed of the amino acids lysine, aspartic acid, glutamic acid, and leucine. This sequence-specific peptide is of significant interest in biochemical research and advanced pharmaceutical development due to its potential role in modulating biological pathways. It is primarily utilized by research institutions, biotechnology companies, and pharmaceutical developers engaged in peptide-based drug discovery, enzymology studies, and the development of novel therapeutic agents.

Application

• Biochemical Research: Used as a reference standard, substrate, or inhibitor in enzymatic assays and proteomics research.
• Pharmaceutical R&D: Serves as a key intermediate or active pharmaceutical ingredient (API) in the development of novel peptide therapeutics.
• Cosmeceutical Formulations: Incorporated into advanced skincare products for its potential bioactive properties related to skin signaling.
• Diagnostic Development: Employed in the creation of immunoassays and diagnostic kits targeting specific peptide sequences.
• Nutraceutical Research: Investigated for potential applications in specialized nutritional supplements and functional foods.

Basic Information

Product Name	Lysyl-Aspartyl-Glutamyl-Leucine
CAS No.	113516-56-6
Molecular Formula	C23H40N6O9
Molecular Weight	568.60 g/mol
Synonyms	Lys-Asp-Glu-Leu; KDEL Peptide; KDEL Tetrapeptide; KDEL Sequence; Tetrapeptide KDEL; H-Lys-Asp-Glu-Leu-OH; L-Lysyl-L-α-aspartyl-L-α-glutamyl-L-leucine; KDEL Motif Peptide
EINECS	Contact for details

Quality Control

Our Lysyl-Aspartyl-Glutamyl-Leucine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and tests for residual solvents and heavy metals, to ensure it meets the stringent requirements for research and development applications. Certificates of Analysis (COA) with full traceability are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a freezer at -20°C or below. This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to ensure long-term stability. Allow the sealed vial to equilibrate to room temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 2.0%
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80.0%
Acetate Content (HPLC)	≤ 10.0%

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