Description

Enterotoxin A, Staphylococcal is a potent proteinaceous exotoxin produced by certain strains of *Staphylococcus aureus*. This compound is of critical importance in research and diagnostic applications, particularly for the study of foodborne illness, toxic shock syndrome, and immune system activation. It is primarily utilized by biotechnology firms, academic research institutions, and diagnostic kit manufacturers focused on pathogen detection and immunological assay development.

Application

• Research Reagent: Used as a critical standard and positive control in microbiological and immunological research to study staphylococcal pathogenesis and toxin mechanisms.
• Diagnostic Kit Development: Serves as a key antigen in the development and calibration of immunoassays (ELISA, Lateral Flow) for the detection of Staphylococcal Enterotoxin A in food, clinical, and environmental samples.
• Vaccine & Antitoxin Research: Employed in preclinical studies for the evaluation of potential vaccine candidates and therapeutic antitoxins targeting staphylococcal infections.
• Quality Control & Validation: Essential for the validation and quality control processes of diagnostic laboratories and kit manufacturing facilities to ensure assay accuracy and reliability.
• Immunological Studies: Used to investigate superantigen activity, T-cell proliferation, and cytokine release profiles in immunology research.
• Food Safety Testing: Acts as a reference standard in methods designed to detect and quantify SE-A contamination in food products, supporting public health and regulatory compliance.

Basic Information

Product Name	Enterotoxin A, Staphylococcal
CAS No.	37337-57-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Staphylococcal Enterotoxin A; SEA; SE-A; Enterotoxin Type A; Staphylococcal Enterotoxin Type A; *Staphylococcus aureus* Enterotoxin A; Superantigen SEA
EINECS	Contact for details

Quality Control

Our Enterotoxin A, Staphylococcal is produced and handled under stringent quality management systems. Each batch undergoes rigorous analytical testing, including purity assessment and biological activity verification, to ensure consistency and performance for research and diagnostic applications. Certificates of Analysis (COA) detailing purity, endotoxin levels, and specific activity are provided to support your quality assurance protocols.

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 before opening to prevent condensation. Aliquot into working solutions to avoid repeated freeze-thaw cycles.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (SDS-PAGE)	Conforms
Purity (HPLC)	≥ 95%
Protein Content	≥ 90%
Endotoxin Level (LAL)	< 1.0 EU/μg
Biological Activity	Confirmed by in vitro assay
Solubility	Soluble in aqueous buffers

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