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203732

Sigma-Aldrich

Brevetoxin PbTx-2, Ptychodiscus brevis

Lipid-soluble polyether neurotoxin that binds to Na+ channels on nerves and muscles causing an excessive influx of Na+ across membranes.

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Synonym(s):
Brevetoxin PbTx-2, Ptychodiscus brevis, Brevetoxin B, GbTx-2
Empirical Formula (Hill Notation):
C50H70O14
CAS Number:
79580-28-2
Molecular Weight:
895.08

Quality Level

100

Assay

≥95% (HPLC)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

tan to white

solubility

ethyl acetate: soluble
methanol: soluble
water: soluble

shipped in

wet ice

storage temp.

−20°C

InChI

1S/C50H70O14/c1-25(24-51)14-28-17-37(52)50(8)41(54-28)19-33-34(61-50)18-32-29(55-33)10-9-12-46(4)42(58-32)23-49(7)40(62-46)21-39-47(5,64-49)13-11-30-44(60-39)26(2)15-31-36(56-30)22-48(6)38(57-31)20-35-45(63-48)27(3)16-43(53)59-35/h9-10,16,24,26,28-42,44-45,52H,1,11-15,17-23H2,2-8H3/b10-9-

InChI key

LYTCVQQGCSNFJU-KTKRTIGZSA-N

General description

Lipid-soluble polyether marine toxin produced by the red tide dinoflagellate, Ptychodiscus brevis, found along the Gulf Coast of Florida. Voltage-dependent Na+ channel activator that causes contractile paralysis in animal models. The excitatory action on nerve and muscle membranes is responsible for a wide spectrum of toxic effects, including massive transmitter release from nerve endings, muscle fasiculation, and ventricular fibrillation. The excitatory action is due to opening of the Na+ channels. The toxin does not bind either to the TTX or to the aconitine/veratridine sites.
Lipid-soluble polyether neurotoxin that binds to Na+ channels on nerves and muscles causing an excessive influx of Na+ across membranes. Binds at site 5 on the voltage-sensitive Na+ channel.

Biochem/physiol Actions

Cell permeable: no
Primary Target
Neurotoxin that binds to Na+ channels on nerves and muscles.
Product does not compete with ATP.
Reversible: no

Packaging

Packaged under inert gas
yes

Warning

Toxicity: Highly Toxic (H)

Reconstitution

Following reconstitution, aliquot, purge with iniert gas and freeze (-20°C). Stock solutions are stable for up to 6 months at -20°C.





From Catalog:

Solubitlity- removed acetone, EtOAc

Other Notes

Due to the nature of the Hazardous Materials in this shipment, additional shipping charges may be applied to your order. Certain sizes may be exempt from the additional hazardous materials shipping charges. Please contact your local sales office for more information regarding these charges.
Edwards, R.A., et al. 1992. Mol. Brain Res.14, 64.
Trainer, V.L. 1991. Mol. Pharmacol.40, 988.
Tsai, M.C., and Chen, M.L. 1991. Br. J. Pharmacol.103, 1126.
Trainer, V.L., et al. 1990. ACS Symposium Series418, 166.
Baden, G. 1989. FASEB J.3, 1807.
Baden, D.G., et al. 1988. Toxicon26, 97.
Poli, M.A., et al. 1986. Mol. Pharmacol.30, 129.
Shimizu, Y., et al. 1986. J. Am. Chem. Soc.108, 514.
Nakanishi, K. 1985. Toxicon23, 473.
Baden, D.G., et al. 1982. Toxicon19, 455.
Catterfall, W.A., and Risk, M. 1981. Mol. Pharmacol.19, 345.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H300 + H310 + H330

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral

Storage Class Code

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

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