Recombinant Clostridium botulinum Botulinum neurotoxin type A(botA),partial

Recombinant Clostridium botulinum Botulinum neurotoxin type A(botA),partial

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Size: 200ug. Other sizes are also available. Please Inquire.

In Stock: No

Lead time: 22-32 working days

Research Topic: Others

Uniprot ID: P10845

Gene Names: botA

Organism: Clostridium botulinum


Expression Region: 1-436aa

Sequence Info: Partial

Source: Yeast

Tag Info: N-terminal 6xHis-tagged

MW: 52 kDa

Alternative Name(s): Bontoxilysin-A ;BOTOX

Relevance: Inhibits acetylcholine release. The botulinum toxin binds with high affinity to peripheral neuronal presynaptic mbrane to the secretory vesicle protein SV2. It binds directly to the largest luminal loop of SV2A, SV2B and SV2C. It is then internalized by receptor-mediated endocytosis. The C-terminus of the heavy chain (H) is responsible for the adherence of the toxin to the cell surface while the N-terminus mediates transport of the light chain from the endocytic vesicle to the cytosol. After translocation, the light chain (L) hydrolyzes the 197-Gln-|-Arg-198 bond in SNAP-25, thereby blocking neurotransmitter release. Inhibition of acetylcholine release results in flaccid paralysis, with frequent heart or respiratory failure.

Reference: The complete amino acid sequence of the Clostridium botulinum type A neurotoxin, deduced by nucleotide sequence analysis of the encoding gene.Thompson D.E., Brehm J.K., Oultram J.D., Swinfield T.-J., Shone C.C., Atkinson T., Melling J., Minton N.P.Eur. J. Biochem. 189:73-81(1990)

Purity: Greater than 90% as determined by SDS-PAGE.

Storage Buffer: Tris-based buffer,50% glycerol

Storage: The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.

Notes: Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.

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