Description

Polypeptide M5, E Coli is a high-purity, recombinant polypeptide produced using advanced Escherichia coli expression systems. This product is critical for research and development in life sciences, offering exceptional consistency and biological activity for demanding applications. It is primarily utilized by biopharmaceutical companies, academic research institutions, and diagnostic kit manufacturers for applications ranging from assay development to therapeutic discovery.

Application

• Biopharmaceutical Research & Development: Used as a reference standard, antigen, or bioactive component in drug discovery pipelines, particularly for immunology and oncology targets.
• Diagnostic Assay Development: Serves as a key antigen or calibrator in the development and validation of immunoassays (ELISA, lateral flow tests) and clinical diagnostic kits.
• Antibody Production & Characterization: Employed as an immunogen for generating specific polyclonal or monoclonal antibodies, and for subsequent antibody affinity testing.
• Cell Culture & Stimulation Studies: Used in in vitro studies to stimulate immune cells or specific receptor pathways to study cellular responses and signaling.
• Protein-Protein Interaction Studies: Acts as a tool in surface plasmon resonance (SPR), pull-down assays, or other biophysical techniques to map interaction networks.
• Vaccine Research: Investigated as a potential subunit vaccine component or for epitope mapping in vaccine design studies.

Basic Information

Product Name	Polypeptide M5, E Coli
CAS No.	110278-05-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Recombinant Polypeptide M5; E. coli-derived Polypeptide M5; M5 Polypeptide; Polypeptide M5 (E. coli); CAS 110278-05-2; M5 Protein; Recombinant M5 Antigen
EINECS	Contact for details

Quality Control

Every batch of Polypeptide M5, E Coli is manufactured under stringent quality management systems. Our products undergo rigorous analytical testing, including HPLC for purity, mass spectrometry for identity confirmation, and endotoxin level assays, to ensure compliance with research-grade standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and biological activity is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store desiccated at -20°C or below. This product is hygroscopic (moisture-sensitive). Allow the vial to equilibrate to room temperature in a dry environment before opening to prevent condensation and moisture uptake.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (Mass Spec)	Conforms
Purity (HPLC)	≥ 95.0%
Protein Content	≥ 80.0%
Endotoxin Level	< 1.0 EU/μg
Solubility	Soluble in aqueous buffers
Biological Activity	Assay-dependent; reported on COA

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