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P7208

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Pertussis toxin from Bordetella pertussis

lyophilized powder

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Synonym(s):
Histamine-sensitizing factor, IAP, Islet Activating Protein, PTX, Pertussigen
CAS Number:
MDL number:
NACRES:
NA.77

form

lyophilized powder

Quality Level

storage temp.

2-8°C

Gene Information

Bordetella pertussis Tohama I ... ptxA(2665068) , ptxB(2665069) , ptxC(2665408)

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This Item
P2980516561D0564
Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

storage temp.

2-8°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

2-8°C

Gene Information

Bordetella pertussis Tohama I ... ptxA(2665068), ptxB(2665069), ptxC(2665408)

Gene Information

Bordetella pertussis Tohama I ... ptxA(2665068), ptxB(2665069), ptxC(2665408)

Gene Information

-

Gene Information

-

General description

Pertussis toxin (PT) is a multi-subunit complex toxin that possesses one active subunit(A) and five binding subunits (B5). PT enters the mammalian cells via endocytosis by attaching itself to the glycosylated molecules on the surface of these cells.

Application

Pertussis toxin from Bordetella pertussis has been used: as a blocker of the Gαi subunit of the chemokine (CXCR4) receptor to measure the intracellular Ca2+ in breast cancer cell lines, to characterize the Gi signaling involved in ADP-induced tissue factor (TF) and P-selectin exposure, to induce autoimmune vasculitis in a rat model
The toxin is released from B. pertussis in an inactive form. When the pertussis toxin B oligomer binds to the cell membrane, the S1 subunit of its A protomer becomes activated, perhaps through the action of glutathione and ATP. A protocol for activating pertussis toxin in vitro is given by Kaslow, et al.

Biochem/physiol Actions

Pertussis toxin catalyzes the ADP-ribosylation of the α subunits of the heterotrimeric guanine nucleotide regulatory proteins Gi, Go, and Gt. This prevents the G protein heterotrimers from interacting with receptors, thus blocking their coupling and activation. Since the Gα subunits remain in their GDP-bound, inactive state, they are unable to inactivate adenylyl cyclase or open K+ channels.

Features and Benefits

This compound is a featured product for Cyclic Nucleotide research. Click here to discover more featured Cyclic Nucleotide products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.
This compound is featured on the G Proteins (Heterotrimeric) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Physical form

Lyophilized powder containing sodium chloride and sodium phosphate buffer salts

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


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Nicholas H Carbonetti
Future microbiology, 5(3), 455-469 (2010-03-10)
Pertussis toxin and adenylate cyclase toxin are two important virulence factors of Bordetella pertussis, the bacterial cause of the respiratory disease pertussis or whooping cough. In addition to studies on the structure, function and role in pathogenesis of these two
Marta Brambilla et al.
Arteriosclerosis, thrombosis, and vascular biology, 43(10), 2042-2057 (2023-08-17)
ADP-induced platelet activation leads to cell surface expression of several proteins, including TF (tissue factor). The role of ADP receptors in platelet TF modulation is still unknown. We aimed to assess the (1) involvement of P2Y1 and P2Y12 receptors in
Takashi Hosokawa et al.
Journal of immunology (Baltimore, Md. : 1950), 199(6), 2008-2019 (2017-08-05)
Mechanistic target of rapamycin complex (mTORC)1 integrates intracellular sufficiency of nutrients and regulates various cellular functions. Previous studies using mice with conditional knockout of mTORC1 component proteins (i.e., mTOR, Raptor, and Rheb) gave conflicting results on the roles of mTORC1
Wendy Atkinson et al.
PloS one, 7(3), e33671-e33671 (2012-03-30)
An alternative hypothesis has been proposed implicating chronic cerebrospinal venous insufficiency (CCSVI) as a potential cause of multiple sclerosis (MS). We aimed to evaluate the validity of this hypothesis in a controlled animal model. Animal experiments were approved by the
G D'Agostino et al.
British journal of anaesthesia, 121(4), 962-968 (2018-09-22)
The metastatic potential of breast cancer cells has been strongly associated with overexpression of the chemokine CXCL12 and the activity of its receptor CXCR4. Lidocaine, a local anaesthetic that can be used during breast cancer excision, inhibits the growth, invasion

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