C3977
Clostridium difficile Toxin A
lyophilized powder
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About This Item
UNSPSC Code:
12352200
MDL number:
form
lyophilized powder
mol wt
~270 kDa
storage temp.
2-8°C
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Biochem/physiol Actions
Clostridium difficile Toxin A and B, cation-dependent UDP-glucose glucosyltransferases, are cellular toxins that inactivate Rho (and Rho family small GTPases) through monoglucosylation of these family members. TcdA elicits effects primarily within the intestinal epithelium. Effects of this monoglucosylation include disregulation of the actin cytoskeleton, cell rounding, cytotoxicity, and altered cellular signaling. Rho proteins are monoglucosylated by Toxin A and B using UDP-glucose as a cosubstrate. Rho, Rac and Cdc42 are included in the Rho subfamilies targeted by both toxins. Low molecular mass GTP-binding proteins that are not modified by Toxin A and B include Ras, Rab, Arf, or Ran subfamilies as well as heterotrimeric G proteins.
TcdA is a cellular toxin that inactivates Rho (and Rho family small GTPases) through monoglucosylation of these family members. TcdA elicits effects primarily within the intestinal epithelium.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 1 Dermal - Acute Tox. 1 Inhalation - Acute Tox. 1 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
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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