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Staphylococcal enterotoxin A

Name: Staphylococcal enterotoxin A
Brand: SIGMA

from Staphylococcus aureus, lyophilized powder, enterotoxin

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About This Item

CAS Number:

642595-84-4

UNSPSC Code:

12352200

NACRES:

NA.77

MDL number:

MFCD00082015

Pricing and availability is not currently available.

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Properties

Product Name

Staphylococcal enterotoxin A from Staphylococcus aureus,

contains

sodium phosphate buffer as balance

Quality Segment

200

composition

Protein, ~10% Lowry

availability

not available in USA

impurities

Staphylococcal enterotoxin B (SEB), essentially free

solubility

H₂O: complete 1 mg/ml, clear, colorless

storage temp.

2-8°C

Description

General description

Staphylococcal enterotoxin A belongs to the family of staphylococcal exotoxins. It is secreted by Staphylococcus aureus, a Gram-positive bacteria.

Application

Staphylococcal enterotoxin A from Staphylococcal aureus was injected peritoneally in mice to induce sepsis.¹⁰

Staphylococcal enterotoxin A from Staphylococcus aureus has been used as an external standard in for the verification of TRANSIA assay kit, RIDASCREEN assay kit and Vidas Set 2 method. For in vitro toxin stimulation of mouse splenocytes.

Biochem/physiol Actions

Staphylococcal enterotoxin A from Staphylococcus aureus is leading agent that causes of food poisoning. A concentration of as little as 0.5 mg/ml is sufficient to result in nausea, vomiting, diarrhea and cramps.⁸ It stimulates the cell proliferation of peripheral lymphocytes, induces the production of interferons and is important for gut immunity against S. aureus infections.⁹ It acts as a super antigen for T-lymphocytes.

Packaging

Package size based on protein content

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This Item	324798	S4881	H9395
Sigma-Aldrich S9399 Staphylococcal enterotoxin A from Staphylococcus aureus	Sigma-Aldrich 324798 Enterotoxin Type B, Staphylococcus aureus	Sigma-Aldrich S4881 Staphylococcal enterotoxin B from Staphylococcus aureus	Sigma-Aldrich H9395 α-Hemolysin from Staphylococcus aureus
Quality Level 200	Quality Level 100	Quality Level 300	Quality Level 300
storage temp. 2-8°C	storage temp. 2-8°C	storage temp. 2-8°C	storage temp. 2-8°C
solubility H₂O: complete 1 mg/ml, clear, colorless	solubility sterile distilled water: soluble	solubility -	solubility H₂O: soluble 0.49-0.51 mg/mL
availability not available in USA	availability not available in Canada	availability not available in USA	availability -
contains sodium phosphate buffer as balance	contains -	contains sodium phosphate buffer as balance	contains sodium citrate buffer as balance
impurities Staphylococcal enterotoxin B (SEB), essentially free	impurities -	impurities Staphylococcal enterotoxin A (SEA), essentially free	impurities -

pictograms

GHS07

signalword

Warning

hcodes

H302 + H332

pcodes

P261 - P264 - P271 - P301 + P312 - P304 + P340 + P312 - P501

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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