botulinum toxin neurotoxic protein, 3d rendering. produced by cl

botulinum toxin neurotoxin toxic poison venom cosmetic medical bacterium bacteria botulism clostridium sweating blepharospasm btx wrinkle face frown btx-a hyperhidrosis onabotulinumtoxin migraine bioterrorism paralysis muscle snare antitoxin structure peptide protein amino acid molecule polypeptide polymer atoms science scientific disease health molecular model 3d rendering illustration