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Native C. tetani Tetanus Toxin protein

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Cat.No.:
Tetanus Toxin-227
Product Overview:
Tetanus Toxin was purified from Clostridium tetani.
Description:
Tetanus toxin is a potent neurotoxin that is taken up by presynaptic terminals at the neuromuscular junction, travels retrogradely within motor neurons and is transported transsynaptically to spinal cord interneurons. Upon entering the motor neuron, tetanus toxin associates with lipid rafts, is incorporated into non-acidified vesicles, sorted in a Rab 5/7 dependent pathway and transported to the cell body. The tetanus toxin is trancytosed so that it enters upstream inhibitory neurons where it cleaves VAMP-2, inhibiting neurotransmitter release. Tetanus toxin inhibits neurotransmitter release with great potency and selectivity, cleaving a bond in vesicle-associated membrane protein-2 (VAMP-2) or synaptobrevin-2, thereby preventing the fusion of synaptic vesicles with the presynaptic membrane. Tetanus toxoid is currently used as a vaccine to produce immunity to tetanus, the disease caused by Clostridium tetani. Additionally, tetanus toxoid functions as a carrier of conjugated polysaccharides in the development of vaccines against encapsulated bacterial pathogens.
Source:
C. tetani
Species:
C. tetani
Form:
Each vial, when reconstituted with 0.1 ml of water, contains 0.025 mg of protein in 0.02 M HEPES, pH 7.4 with 1.25% lactose. Handle the product gently, do not vortex.
Molecular Mass:
When examined on 4-12% SOS-polyacrylamide gels, this product migrates as a single major band with an apparent molecular weight of approximately 150 kDa. In the presence of a reducing agent, the preparation migrates as two major bands corresponding to the heavy chain (100 kDa) and the light chain (50 kDa), respectively.
Endotoxin:
The endotoxin content, determined using a kinetic chromagenic LAL assay, is 10 EU/mg.
Purity:
> 90%
Notes:
Toxicity:
The light chain of tetanus neurotoxin is non-toxic and unable to penetrate cells in the absence of
the heavy chain (binding and translocation domains). The expression and purification of light chain
from a recombinant setting ensures there is no possible contamination with heavy chain or full
length intact toxin.
Storage:
This product is provided as a lyophilized powder, sealed under vacuum. Store at 2-8 centigrade prior to and following reconstitution.
Warning:
Good laboratory technique should be employed in the safe handling of this product. This requlres observing the following practices:
1. Persons handling this product and contaminated glassware should consult the current version of the Biosafety in Microbiological and Biomedical Laboratories.
2. This product is to be used by skilled personnel under the direction of a principal investigator in a laboratory setting only.
3. Wear appropriate laboratory attire including a lab coat, gloves and safety glasses.
4. Never remove the stopper prior to reconstitution and never work with the product in the powdered form. Always reconstitute it first.
5. Do not mouth pipette, inhale, ingest or allow to come into contact with open wounds. Wash thoroughly any area of the body which comes into contact with the product.
6. Avoid accidental autoinoculation by exercising extreme care when handling in conjunction with any injection device.
7. This product is intended for research purposes by qualified personnel only. It is not intended for use in humans or as a diagnostic agent. Our company is not liable for any damages resulting from the misuse or handling of this product.


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Optional requirements on this protein +Expand
C-fusion   N-fusion  Non-tagged
His   GST  Fc  Others
<1.0 eu/μg   <0.1 eu/μg  <0.01 eu/μg  Not required
Monomer Isolation   Dimer Isolation   Not required
>80% by SDS-PAGE   >90% by SDS-PAGE  >95% by SDS-PAGE  Others
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45-1 Ramsey Road, Shirley, NY 11967, USA
USA: 1-631-559-9269  1-631-448-7888
Europe: 44-207-048-3343
FAX: 1-631-938-8127
EMAIL: info@creative-biomart.com

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