B8776

Sigma

 

Botulinum Toxin A from Clostridium botulinum

lyophilized powder

CAS Number:93384-43-1
EC Number:297-253-4
MDL number:MFCD00130667

Description

Other NotesHandle the toxin gently. Do not vortex. Use sufficient volume of buffer to wash down the walls and stopper. Read all handling information found on MSDS prior to reconstitution.
Preparation NoteWhen toxin is used for in vitro studies, it is preincubated in a buffer containing 5 mM dithiothreitol for 30 minutes in order to reduce and thereby activate the toxin.
ReconstitutionReconstitute each 100 μg vial with 100 μL of appropriate buffer. Upon reconstitution, the vial will contain 20 mM HEPES and 1.25% lactose. To insure full recovery of toxin from the vial, include 1 mg/mL BSA in the reconstitution buffer.
Physical formLyophilized powder containing 20 mM HEPES and 1.25% lactose when reconstituted with the volume of water or buffer indicated on the Certifcate of Analysis.
Biochem/physiol ActionsNeurotoxin that inhibits release of catecholamines from adrenal medulla; blocks release of acetylcholine at neuromuscular junctions.

Properties

formlyophilized powder
shipped indry ice
storage temp.−20°C

Safety

Hazard CodesT+,B
Risk Statements26/27/28-36/38
Safety Statements26-28-36/37-45
RIDADRUN 3172 6.1/PG 1
WGK Germany3
RTECSED9300000

Related Products

Comparable productB1036, Botulinum toxin C solution from Clostridium botulinum

References

referenceLopez-Alonso, E. et al., Botulinum toxin type A inhibits Ca2+-dependent transport of acetylcholine in reconstituted giant liposomes made from presynaptic membranes from cholinergic nerve terminals. Neurosci. Lett. 196, 37, (1995) Abstract