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Merck
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T3194

Tetanus toxin

from Clostridium tetani, cleaves synaptobrevin (VAMP-2)

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About This Item

CAS Number:
676570-37-9
UNSPSC Code:
12352200
NACRES:
NA.77
MDL number:
MFCD01095768

Key Documents

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Product Name

Tetanus toxin from Clostridium tetani,

mol wt

150 kDa (heavy chain (100 kDa) and a light chain (50 kDa) connected through an interchain disulfide bond)

solubility

H2O: soluble

storage temp.

2-8°C

Quality Level

100

Gene Information

Clostridium tetani E88 ... tetX(1061100)

Related Categories

Analysis Note

Two bands by SDS-PAGE under reducing conditions (100 kDa heavy chain and 50 kDa light chain).

Application

Tetanus toxin from Clostridium tetani has been used as the exocytosis inhibitor/Golgi-dependent secretion to examine whether secretory carrier membrane protein (SCAMP5) stimulated α-synuclein secretion via the conventional Golgi-dependent pathway. It has also been used in peripheral blood mononuclear cells (PBMCs) culture for T cell proliferation screening.
Tetanus toxin from Clostridium tetani has been used to inhibit vesicular release in Pannexin 1-transfected Neuro2A cells1.

Biochem/physiol Actions

Binds to polysialogangliosides acceptors on surface of all peripheral presynaptic nerve terminals. Internalized by receptor-mediated endocytosis and carried to spinal cord and brain by transsynaptic retrograde transport. Blocks the release of glycine from inhibitory interneurons of the spinal cord. Cleaves synaptobrevin (VAMP-2), and blocks synaptic vesicle exocytosis in vivo.
Binds to polysialogangliosides acceptors on surface of all peripheral presynaptic nerve terminals; blocks the release of glycine from inhibitory interneurons of the spinal cord; cleaves synaptobrevin (VAMP-2); blocks synaptic vesicle exocytosis in vivo.
Tetanus toxin can cause spastic paralysis.

General description

Tetanus toxin is also known as tetanospasmin. It is a 150-kDa protein, produced by Clostridium tetani. This protein consists of a light and a heavy chain.

Preparation Note

Each vial, when reconstituted with 100 μL of sterile purified water, contains 25 μg of tetanus toxin in 20 mM HEPES, pH 7.4 with 1.25% lactose.
Purified from cultures of Clostridium tetani by a modification of the method of Robinson, et al.

pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

signalword

Danger

Hazard Classifications

Acute Tox. 1 Oral - Acute Tox. 2 Inhalation - STOT SE 1

target_organs

Central nervous system

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 P3 (EN 143) respirator cartridges

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV7991
MKCW6501
MKCS4022
MKCR8576
MKCQ9728

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Secretory carrier membrane protein 5 is an autophagy inhibitor that promotes the secretion of alpha-synuclein via exosome
Yang Y, et al.
PLoS ONE, 12(7), e0180892-e0180892 (2017)
Felix Horns et al.
Cell reports, 30(3), 905-913 (2020-01-23)
Antibody memory protects humans from many diseases. Protective antibody memory responses require activation of transcriptional programs, cell proliferation, and production of antigen-specific antibodies, but how these aspects of the response are coordinated is poorly understood. We profile the molecular and
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